01.2! 3’4%#5%6!78!9!7:;!!?%@’5(0;!,a!nutrients and the clean water act 303(d) listing and tmdl...

Nutrient TMDL Workshop, February 2011

Meeting Summary

!""

!!

"#$%&'($!)*+,!-.%/01.2!3'4%#5%6!78!9!7:;!<=77!"'>!?%@'5(0;!,A!!!!

*''$&(B!C#DD5%6!

! EFA!=GH)==IJ!)50/!?%K'%!7<!!!!!Prepared for: "#$%$"&'()*+',-'./0"1*+.-2.)+'"34-'25""""Prepared by: "6-.*/"6-278"9'2$"!:;<"=->."?.7"%.*--."%@).-";AB"C0-(-0/'D8"EF"::!!G"""""H@'-"!:8"AB!!!

Nutrient TMDL Workshop, February 2011 Meeting Summary

A"

!!L.($'($0!!"##$%&'!()**+,-!.........................................................................................................................................!/ 01#,1%#2!(#33%4&!5!6!7,4',+**+$%8!+&9!(8%#&$%:%8!;+8<',4)&9.................................................................!= 01#,1%#2!(#33%4&!>!6!?)$,%#&$!@,%$#,%+!A#1#B4C*#&$!..................................................................................!D E%3$%&'!(#33%4&!5!6!F33#33%&'!+&9!E%3$%&'!?)$,%#&$!G*C+%,*#&$3!.................................................................!H I"AE!(#33%4&!5!6!01#,1%#2!4:!$J#!KL%3$%&'!"#$J493!:4,!?)$,%#&$!I"AE!A#1#B4C*#&$!.......................!5M I"AE!(#33%4&!>!6!(#$$%&'!?)$,%#&$!I+,'#$3!..............................................................................................!55 @4&8),,#&$!(#33%4&!5F!6!I"AE!"49#B%&'!FCCB%8+$%4&3!..........................................................................!5= @4&8),,#&$!(#33%4&!5;!6!($+$#!FCC,4+8J#3!$4!?)$,%#&$!I"AE3!...............................................................!5H @4&8),,#&$!(#33%4&!>F!6!I#8J&%8+B!+&9!N#')B+$4,-!G33)#3!%&!I"AE!A#1#B4C*#&$!.................................!>> @4&8),,#&$!(#33%4&!>;!6!I"AE!G*CB#*#&$+$%4&!......................................................................................!>= G*CB#*#&$+$%4&!(#33%4&!..............................................................................................................................!>O ")B$%PQ),%39%8$%4&+B!K::4,$3!.........................................................................................................................!>R @B43%&'!N#*+,<3!.........................................................................................................................................!/M !FCC#&9%L!F!!! S4,<3J4C!F'#&9+!!!


G""

!Meeting Summary

IJ#!?)$,%#&$!I"AE!S4,<3J4C!2+3!J#B9!%&!?#2!0,B#+&3T!E4)%3%+&+T!U#V,)+,-!5W!6!5OT!>M55.!IJ#!C),C43#!4:!$J%3!24,<3J4C!2+3!$4!V,%&'!$4'#$J#,!X.(.!K7F!+&9!($+$#!3$+::!%&!$J#!(#8$%4&!/M/Y9Z!C,4',+*!$4!9%38)33!+&9!#L8J+&'#!%9#+3!,#B+$#9!$4!&)$,%#&$3.!![#-!$4C%83!4:!$J#!24,<3J4C!%&8B)9#9\!!

" ?)$,%#&$!8,%$#,%+!9#1#B4C*#&$!" F33#33%&'!+&9!B%3$%&'!2+$#,3!%*C+%,#9!V-!&)$,%#&$3!" "#$J493!4:!&)$,%#&$!I"AE!9#1#B4C*#&$!!" (#$$%&'!&)$,%#&$!$+,'#$3!" G*CB#*#&$+$%4&!!" ")B$%P]),%39%8$%4&+B!I"AE3T!3C#8%:%8+BB-!,#B+$#9!$4!&)$,%#&$3!

!F!3)**+,-!4:!#+8J!C,#3#&$+$%4&!:,4*!$J#!24,<3J4C!%&!C,#3#&$#9!%&!$J%3!*##$%&'!3)**+,-.!FCC#&9%L!F!84&$+%&3!$J#!24,<3J4C!+'#&9+.!7,#3#&$+$%4&3!8+&!V#!+88#33#9!+$!J$$C\^^222.$#$,+$#8JP::L.84*^?0EF&)$,%#&$_24,<3J4C^!)&$%B!U+BB!>M55.!!!F&-!:##9V+8<!,#B+$#9!$4!$J%3!24,<3J4C!4,!%$3!84&$#&$!8+&!V#!C,41%9#9!$4\!!"#&8J)!"+,$%&#`!X.(.!K&1%,4&*#&$+B!7,4$#8$%4&!F'#&8-!0::%8#!4:!S#$B+&93T!08#+&3T!+&9!S+$#,3J#93!!5>MM!7#&&3-B1+&%+!F1#&)#T!?.S.!Y=WM/IZ!!S+3J%&'$4&T!A.@.!>M=DM!*+,$%&#`.*#&8J)P8a#C+*+%B.#C+.'41!

mailto:[email protected]

http://www.tetratech-ffx.com/NOLAnutrient_workshop/

http://www.tetratech-ffx.com/NOLAnutrient_workshop/


:"

Overview Session 1 – Programmatic and Scientific Background

Nutrient Effects on Aquatic Ecology, Recreation and Drinking Water Supply: Nutrient and Key Response Indicators Michael Paul, Senior Scientist

Tetra Tech, Inc., Center for Ecological Sciences 3200 Chapel Hill ‐ Nelson Highway, Suite 105, Research Triangle Park, NC 27709

[email protected]

?%$,4'#&!+&9!CJ43CJ4,)3!+,#!+!&+$),+B!C+,$!4:!+BB!#843-3$#*3!+&9!+BB!4,'+&%3*3!,#B-!4&!&)$,%#&$3!$4!',42!+&9!8+,,-!4)$!$J#!*+&-!:)&8$%4&3!$J+$!C,41%9#!$J#!'4493!+&9!3#,1%8#3!)C4&!2J%8J!2#!,#B-.!?)$,%#&$!#&,%8J*#&$!+B$#,3!$J%3!%&!2+-3!$J+$!+::#8$!$J#!C,%&8%C+B!)3#3!$J#3#!2+$#,V49%#3!3#,1#\!3)CC4,$!4:!+b)+$%8!B%:#T!,#8,#+$%4&T!+&9!84&3)*C$%4&.!IJ%3!$+B<!V,%#:B-!,#1%#23!$J#!,4B#!4:!&)$,%#&$3!%&!&+$),+B!3-3$#*3T!$J#%,!&+$),+B!8-8B#3T!$J#!2+-!$J+$!#&,%8J*#&$!+::#8$3!$J#3#!84**4&T!84,#!)3#3T!+&9!$J#!2+-!2#!8J+,+8$#,%`#!$J#!3$,#334,3!+&9!,#3C4&3#3.!IJ#!$+B<!2%BB!J%'JB%'J$!34*#!4:!$J#!B#33#,!<&42&!,#3C4&3#3!4:!+b)+$%8!3-3$#*3!$4!&)$,%#&$!#&,%8J*#&$T!34*#!4:!$J#!B+$#3$!38%#&$%:%8!)&9#,3$+&9%&'!,#'+,9%&'!%*C4,$+&$!C+$J2+-3T!+&9!&41#B!$#8J&%b)#3!V#%&'!)3#9!$4!*#+3),#!&)$,%#&$3!+&9!#1+B)+$#!$J#%,!%*C+8$3.!

!Nutrients and the Clean Water Act 303(d) Listing and TMDL Program John Goodin

Chief, Watershed Branch Office of Water, US EPA Headquarters 1200 Pennsylvania Ave. NW, Washington, DC 20004 [email protected]

F!,#1%#2!4:!@B#+&!S+$#,!F8$!(#8$%4&!/M/Y9Z!C,4',+*!V+3%83T!&+$%4&+B!3$+$%3$%83!4&!&)$,%#&$P,#B+$#9!B%3$%&'3!+&9!I"AE3c!3)**+,-!4:!+CC,4+8J#3!)3#9!$4!%9#&$%:-!2+$#,3!%*C+%,#9!V-!&)$,%#&$3c!3)**+,-!4:!+CC,4+8J#3!)3#9!$4!9#1#B4C!2+$#,!b)+B%$-!$+,'#$3!:4,!&)$,%#&$!I"AE3c!+&9!4&'4%&'!C,4',+*!+8$%1%$%#3!+&9!9%,#8$%4&!+,#!C,#3#&$#9.!!


I""

!

3&B#%'!7M!"#D4'%!.N!L@'5(!-5$'%!AO$!"#$%&'($P%'@5$'K!QD25&%'K!-5$'%0!46!C$5$'M!!

!

!

!

!

!

!

!

!

!

!

!

3&B#%'!<M!"#D4'%!.N!L@'5(!-5$'%!AO$!"#$%&'($PH'@5$'K!)*+,0!46!C$5$'M"

!


Overview Session 2 – Nutrient Criteria Development

Nutrient Criteria: National Overview/Recent Developments/Look to the Future Dana Thomas Chief, Ecological and Health Processes Branch

US EPA Headquarters 1200 Pennsylvania Ave, NW, MC: 4304T, Washington, DC 20460 [email protected]

IJ#!3$+$)3!4:!&)*#,%8!&)$,%#&$!8,%$#,%+!9#1#B4C*#&$!%&!$J#!84)&$-!%3!C,#3#&$#9!V#B42.!IJ%3!$+B<!,#1%#2#9!$J#!J%3$4,-!4:!$J#!&+$%4&+B!&)$,%#&$!8,%$#,%+!C,4',+*!+&9!#84,#'%4&!8,%$#,%+!,#84**#&9+$%4&3.!")B$%CB#!+CC,4+8J#9!:4,!#3$+VB%3J%&'!&)*#,%8!&)$,%#&$!8,%$#,%+!+,#!C,#3#&$#9!%&8B)9%&'\!8B+33%:%8+$%4&c!,#:#,#&8#!84&9%$%4&3c!3$,#334,P,#3C4&3#c!38%#&$%:%8!B%$#,+$),#!+&9!#LC#,$!])9'*#&$c!*#8J+&%3$%8!*49#B3c!+&9!)3%&'!*)B$%CB#!B%&#3!4:!#1%9#&8#.!IJ#!,#3)B$3!4:!$J#!G&3C#8$4,!d#&#,+B’3!>MMR!,#C4,$!2J%8J!84&8B)9#9!$J+$!X.(.!K7F!&##93!$4!+88#B#,+$#!+94C$%4&!4:!&)*#,%8!&)$,%#&$!2+$#,!b)+B%$-!3$+&9+,93!+&9!9#1#B4C!+!84,,#8$%1#!+8$%4&!CB+&!+,#!C,#3#&$#9.!!

J$$C\^^2+$#,.#C+.'41^38%$#8J^32')%9+&8#^2+$#,b)+B%$-^3$+&9+,93^8,%$#,%+^+bB%:#^C4BB)$+&$3^&)$,%#&$^%&9#L.8:*!!

;"

3&B#%'!RM!!C$5$#0!.N!(#D'%&O!(#$%&'($!O%&$'%&5;!3'4!<=77M!

!

http://water.epa.gov/scitech/swguidance/waterquality/standards/criteria/aqlife/pollutants/nutrient/index.cfm

http://water.epa.gov/scitech/swguidance/waterquality/standards/criteria/aqlife/pollutants/nutrient/index.cfm


J""

Overview of EPA’s Promulgated Numeric Nutrient Criteria for Florida’s Streams, Lakes and Springs Daryll Joyner, Bureau Chief Jan Mandrup‐Poulsen

Florida Department of Environmental Protection Florida Department of Environmental Protection 2600 Blair Stone Road ‐ Mail Station 3555, 2600 Blair Stone Road ‐ Mail Station 3555, Tallahassee, FL 32399‐2400 Tallahassee, FL 32399‐2400

850‐245‐8336; [email protected] 850‐245‐8448; Jan.mandrup‐[email protected]

G&!F)')3$!>MMHT!+!84+B%$%4&!4:!#&1%,4&*#&$+B!',4)C3T!,#C,#3#&$#9!V-!K+,$JQ)3$%8#T!:%B#9!3)%$!+'+%&3$!$J#!K&1%,4&*#&$+B!7,4$#8$%4&!F'#&8-!YK7FZ!:4,!$J#%,!:+%B),#!$4!#3$+VB%3J!&)*#,%8!&)$,%#&$!8,%$#,%+!Y??@Z!%&!$J#!($+$#!4:!UB4,%9+.!IJ#!B+23)%$!+BB#'#9!$J+$!$J#!5RRH!@B#+&!S+$#,!F8$%4&!7B+&!8,#+$#9!+!*+&9+$4,-!9)$-!$4!9#1#B4C!??@.!e42#1#,!K7F!,#&9#,#9!$J%3!C4%&$!*44$!V-!%33)%&'!+!f9#$#,*%&+$%4&g!%&!Q+&)+,-!>MMR!$J+$!??@!2#,#!,#b)%,#9!%&!UB4,%9+!$4!%*CB#*#&$!$J#!@B#+&!S+$#,!F8$.!K7F!$J#&!24,<#9!2%$J!K+,$JQ)3$%8#!4&!+!3#$$B#*#&$!+',##*#&$T!2J%8J!2+3!#&$#,#9!+3!+!@4&3#&$!A#8,##!+&9!2J%8J!#3$+VB%3J#9!+!38J#9)B#!:4,!$J#!#3$+VB%3J*#&$!4:!??@!:4,!:,#3J!2+$#,3!V-!08$4V#,!>M5M!YB+$#,!,#1%3#9!$4!?41#*V#,!>M5MZ!+&9!:4,!*+,%&#!2+$#,3!V-!08$4V#,!>M55!YB+$#,!,#1%3#9!$4!F)')3$!>M5>Z.!!

K7F!C,4*)B'+$#9!&)*#,%8!&)$,%#&$!8,%$#,%+!Y??@Z!:4,!UB4,%9+’3!B+<#3T!3$,#+*3T!+&9!3C,%&'3!4&!?41#*V#,!5WT!>M5MT!+&9!$J#!C,#3#&$+$%4&!2%BB!C,41%9#!V+8<',4)&9!%&:4,*+$%4&!+V4)$!$J#!8,%$#,%+T!3)**+,%`#!$J#!8,%$#,%+T!9%38)33!C,48#9),#3!:4,!#3$+VB%3J%&'!(%$#P(C#8%:%8!FB$#,&+$%1#!@,%$#,%+!Y((F@3ZT!%&8B)9%&'!$J#!+94C$%4&!4:!&)$,%#&$!I"AE3!+3!((F@T!+&9!'%1#!$J#!UB4,%9+!A#C+,$*#&$!4:!K&1%,4&*#&$+B!7,4$#8$%on’3!C#,3C#8$%1#!4&!$J#!8,%$#,%+.!

!J$$C\^^222.9#C.3$+$#.:B.)3^2+$#,^2b33C^&)$,%#&$3!!!!


Listing Session 1 – Assessing and Listing Nutrient Impairments

Results of the National Survey Sarah Lehman

US EPA Headquarters 1200 Pennsylvania Ave. NW, Washington, DC 20004

IJ#!?+$%4&+B!Fb)+$%8!N#34),8#!(),1#-!Y?FN(Z!%3!+!3$+$%3$%8+BB-P1+B%9!8J+,+8$#,%`+$%4&!4:!$J#!fJ#+B$Jg!4:!$J#!&+$%on’3!2+$#,3!2%$J!948)*#&$#9!84&:%9#&8#.!?FN(!%3!9#3%'&#9!$4!+&32#,!&+$%4&+B!b)#3$%4&3!+&9!3)CC4,$!9#8%3%4&P*+<%&'.!IJ#!:4BB42%&'!<#-!*#33+'#3!2#,#!%9#&$%:%#9\!

" KL8#33!&)$,%#&$3!+,#!2%9#3C,#+9!2J%8J!%3!,#B+$#9!$4!9#8,#+3#9!V%4B4'%8+B!J#+B$J!%&!4),!3$,#+*3!+&9!B+<#3!

" ")B$%CB#!*4&%$4,%&'!9#3%'&3!&##9#9!$4!C,41%9#!9+$+!$4!C,4$#8$!+&9!,#3$4,#!4),!2+$#,3!K" ($+$%3$%8+B!3),1#-3!C,41%9#!)3!2%$J!%&:4,*+$%4&!4&!$J#!#L$#&$!4:!2+$#,!b)+B%$-!C,4VB#*3!

+&9!&+$%4&+B!%33)#3!$J+$!,#b)%,#!V,4+9!+$$#&$%4&!K" I+,'#$#9!*4&%$4,%&'!+BB423!)3!$4!B48+$#!3C#8%:%8!C,4VB#*3!+&9!+8$%4&3!&##9#9!$4!

C,4$#8$^,#3$4,#!$J43#!2+$#,3.!" G&$#',+$%4&!4:!?FN(!9+$+!+&9!/M/Y9Z!B%3$%&'!%&:4,*+$%4&!3)''#3$3!2#!94&’$!<&42!2J#,#!+BB!4:!4),!&)$,%#&$!%*C+8$#9!2+$#,3!!

" S#!3J4)B9!84&$%&)#!$4!%&1#3$!,#34),8#3!%&\!!K" 4),!*4&%$4,%&'!+&9!+33#33*#&$!C,4',+*3!$4!%9#&$%:-!%*C+%,#9!2+$#,3c!+&9!!K" +8$%4&3!$4!,#9)8#!&)$,%#&$3!$J,4)'J4)$!4),!2+$#,3J#93.!

!!Listings Based on Narrative Water Quality Criteria Bill Painter

US EPA Headquarters 1200 Pennsylvania Ave. NW, Washington, DC 20004 [email protected]

(#B#8$#9!%&:4,*+$%4&!:,4*!2+$#,3J#9!V,+&8J!%&PJ4)3#!3),1#-’3!4:!N7F!,#'%4&3!,#B+$#9!$4!&)$,%#&$!B%3$%&'3!+,#!C,#3#&$#9.!IJ#!V+3%3!:4,!&)$,%#&$!B%3$%&'3!4&!/M/Y9Z!B%3$3!2#,#!%9#&$%:%#9!$J,4)'J!+!2,%$$#&!3),1#-!2J%8J!C,41%9#9!%&C)$!4&!/W!3$+$#3.!G&!4,9#,!4:!:,#b)#&8-!4:!)3#T!&)*#,%8!2+$#,!b)+B%$-!8,%$#,%+!:4,!9%334B1#9!4L-'#&c!V%43),1#-3c!$J,#3J4B9!1+B)#3!:,4*!K7F!4,!($+$#!')%9+&8#!:4,!$,4CJ%8!3$+$#!%&9#LT!CJ43CJ4,)3T!&%$,4'#&T!4,!8JB4,4CJ-BBP+c!+&9!&)*#,%8!2+$#,!b)+B%$-!8,%$#,%+!:4,!CJ43CJ4,)3T!$),V%9%$-^8B+,%$-T!&%$,4'#&T!+&9!8JB4,4CJ-BBP+!2#,#!$J#!*43$!:,#b)#&$B-!)3#9!+CC,4+8J#3!:4,!%9#&$%:-%&'!&)$,%#&$!%*C+%,*#&$3.!!!

!

Stressor Identification Jeffery Frithsen

US EPA Headquarters 1200 Pennsylvania Ave. NW, Washington, DC 20004

U4,!*+&-!V%4B4'%8+BB-!%*C+%,#9!2+$#,3T!$J#!8+)3#!4:!%*C+%,*#&$!%3!)&<&42&.!@+)3+B!F&+B-3%3^A%+'&43%3!A#8%3%4&!G&:4,*+$%4&!(-3$#*!Y@FAAG(Z!%3!+&!4&B%&#!+CCB%8+$%4&!$J+$!J#BC3!)3#,3!84&9)8$!8+)3+B!+33#33*#&$3!4:!3$,#+*!V%4B4'%8+B!%*C+%,*#&$.!@FAAG(!%3!V+3#9!4&!)3%&'!+!3$,#&'$J!4:!#1%9#&8#!

<"


?""

:,+*#24,<!:4,!3$,#334,!%9#&$%:%8+$%4&.!G&:4,*+$%4&!4&!3C#8%:%8!3$,#334,3T!9+$+!+&+B-3%3!*#$J493T!#$8.!+,#!C,41%9#9!+3!2#BB!+3!$44B3!:4,!9+$+!+&+B-3%3!+&9!B%$#,+$),#!#1+B)+$%4&.!@+3#!3$)9%#3!+,#!+B34!%&8B)9#9.!!

J$$C\^^222.#C+.'41^8+99%3!!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

3&B#%'!IM!"&$%.B'(!5(K!21.021.%#0;!LA++QC!O.(O'2$#5@!K&5B%5DM!

!

http://www.epa.gov/caddis


!B"

TMDL Session 1 – Overview of the Existing Methods for Nutrient TMDL Development

Overview of Findings from Compendium of Nutrient TMDLs Rosaura Conde


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`#3!34*#!4:!$J#!,#B#1+&$!:%&9%&'3!4:!$J%3!C,4]#8$!+&9!C,41%9#3!#L+*CB#3!4:!$J#!+CCB%8+$%4&!4:!8),,#&$!C,+8$%8#3!%&!+CC,41#9!&)$,%#&$!I"AE3.!

!

Quantitative Prediction of Effects of Nutrients on Key Response Indicators and Use Tim Wool

US EPA Region 4 61 Forsyth Street, SW, MC: 9T25; Atlanta, GA 30303 [email protected]

IJ#,#!+,#!*+&-!9%::#,#&$!+CC,4+8J#3!$J+$!8+&!V#!)3#9!$4!b)+&$%$+$%1#B-!B%&<!&)$,%#&$!$+,'#$3!$4!<#-!,#3C4&3#!1+,%+VB#3.!IJ#3#!+CC,4+8J#3!3J4)B9!,#B+$#!3$,#334,3!$4!,#3C4&3#!1+,%+VB#3T!84&3%9#,!+b)+$%8!B%:#!)3#!3)CC4,$T!84&3%9#,!942&3$,#+*!)3#3T!+&9!3J4)B9!V#!)3+VB#!$4!9#$#,*%&#!%*C+%,*#&$.!@4**4&!*#$J493!%&8B)9#!#LC#,$!34B%8%$+$%4&T!3$+$%3$%8+B!*#$J493!)3%&'!,#'%4&+B!4,!#84,#'%4&!9+$+T!,#:#,#&8#!84&9%$%4&3T!,#',#33%4&!+&+B-3%3T!+&9!*#8J+&%3$%8!*49#B%&'.!IJ#!C,43!+&9!84&3!4:!#+8J!*#$J49!+,#!9#38,%V#9.!

!


!!""

TMDL Session 2 – Setting Nutrient Targets

Developing Nutrient Concentration Targets from Narrative Criteria Bill Painter


(#B#8$#9!%&:4,*+$%4&!:,4*!2+$#,3J#9!V,+&8J!%&PJ4)3#!3),1#-’3!4:!N7F!,#'%4&3!,#B+$#9!$4!&)$,%#&$!B%3$%&'3!%3!C,#3#&$#9.!"#$J493!$4!$,+&3B+$#!&+,,+$%1#!2+$#,!b)+B%$-!8,%$#,%+!$4!&)$,%#&$!$+,'#$3!2#,#!#1+B)+$#9!$J,4)'J!+!2,%$$#&!3),1#-!4:!K7F!,#'%4&3!,#C,#3#&$%&'!>O!3$+$#3.!IJ#!:4BB42%&'!$,+&3B+$%4&!*#$J493!2#,#!%9#&$%:%#9\!

" S+$#,!b)+B%$-!$+,'#$!:4,!CJ43CJ4,)3!4,!&%$,4'#&!1+B)#!$+<#&!:,4*!3$+$#P%33)#9!')%9+&8#!948)*#&$Y3Z!

" X3#9!K7F!,#84**#&9#9!8,%$#,%4&!:4,!CJ43CJ4,)3!4,!&%$,4'#&!+3!2+$#,!b)+B%$-!$+,'#$!!" I"AEP3C#8%:%8!9#,%1+$%4&!4:!2+$#,!b)+B%$-!$+,'#$!!:4,!CJ43CJ4,)3!4,!&%$,4'#&!!

o" "49#B#9!CJ43CJ4,)3!4,!&%$,4'#&!2+$#,!b)+B%$-!$+,'#$!!:,4*!3$+$#PP%33)#9!')%9+&8#!1+B)#!:4,!+!,#3C4&3#!%&9%8+$4,!

o" ;+3#9!CJ43CJ4,)3!4,!&%$,4'#&!2+$#,!b)+B%$-!$+,'#$!!4&!,#:#,#&8#!2+$#,V49-!84&9%$%4&3!o" ;+3#9!CJ43CJ4,)3!4,!&%$,4'#&!2+$#,!b)+B%$-!$+,'#$!!4&!3$,#334,P,#3C4&3#!84,,#B+$%4&!

!!Setting Water Quality Targets for Phosphorus and Nitrogen Michael Paul, Senior Scientist

Tetra Tech, Inc., Center for Ecological Sciences 3200 Chapel Hill ‐ Nelson Highway, Suite 105, Research Triangle Park, NC 27709

[email protected]

F&!+,,+-!4:!3$,#334,3!8+&!+::#8$!)3#3T!#3C#8%+BB-!+b)+$%8!B%:#T!%&!2+$#,V49%#3!+&9!%9#&$%:-%&'!$J#!,#3C4&3%VB#!3$,#334,Y3Z!8+&!V#!9%::%8)B$.!K7F!J+3!V##&!9#1#B4C%&'!$#8J&%b)#3!:4,!)3#!%&!3$,#334,!%9#&$%:%8+$%4&!+&9!8+)3+B!+&+B-3%3T!%&8B)9%&'!*49#B3!:4,!&)$,%#&$3.!0&8#!&)$,%#&$3!+,#!%9#&$%:%#9!+3!+!8+)3#T!$J#!'4+B!V#84*#3!3#$$%&'!+CC,4C,%+$#!'4+B3!$4!,#3$4,#!+&9!C,4$#8$!$J43#!)3#3.!(4*#!4:!$J#!$#8J&%b)#3!)3#9!:4,!8+)3+B!+&+B-3%3!+,#!3%*%B+,B-!+CCB%8+VB#!:4,!%9#&$%:-%&'!2+$#,!b)+B%$-!$+,'#$3!:4,!I7!+&9!I?.!IJ%3!$+B<!,#1%#23!$#8J&%b)#3!:4,!3#$$%&'!&)$,%#&$!$+,'#$3!$4!C,4$#8$!)3#3T!%&8B)9%&'!+&!41#,1%#2!4:!&#2!X(K7F!')%9+&8#!4&!3$,#334,P,#3C4&3#!*#$J493!:4,!3#$$%&'!&)$,%#&$!$+,'#$3.!

Pennsylvania Nutrient TMDLs – Using a Weight of Evidence Approach Elizabeth Gaige, PA TMDL Coordinator

US EPA Region 3 1650 Arch Street, MC: 3WP30, Philadelphia, PA 19103‐2029

215‐814‐5676; [email protected]

G&!Q)&#T!>MMH!K7F!N#'%4&!/!#3$+VB%3J#9!W!&)$,%#&$!I"AE3!:4,!@4&3#&$!A#8,##!2+$#,3!%&!7F.!F3!7FAK7!94#3!&4$!J+1#!&)*#,%8!&)$,%#&$!8,%$#,%+T!+!I"AE!#&9C4%&$!2+3!9#1#B4C#9!)3%&'!*)B$%CB#!B%&#3!4:!#1%9#&8#.!0:!$J#!5O!B%&#3!4:!#1%9#&8#!)3#9T!B%&#3!%&8B)9#9!9%3$,%V)$%4&!V+3#9!+CC,4+8J#3T!+!*49#B#9!,#:#,#&8#!84&9%$%4&T!3$,#334,P,#3C4&3#!V+3#9!#1%9#&8#!+&9!B%$#,+$),#!1+B)#3.!!

FBB!K7F!948)*#&$3!%&8B)9%&'!I"AE!,#C4,$3T!I"AE!#&9C4%&$!948)*#&$3!+&9!,#3C4&3#!$4!C)VB%8!84**#&$3!948)*#&$3!8+&!V#!:4)&9!4&!N#'%4&!/’3!2#V3%$#\!


!A"

J$$C\^^222.#C+.'41^,#'/2+C9^$*9B^C+_$*9B^d443#@,##<?)$,%#&$^%&9#L.J$*B!

J$$C\^^222.#C+.'41^,#'/2+C9^$*9B^C+_$*9B^G&9%+&@,##<?)$,%#&$^%&9#L.J$*B!

J$$C\^^222.#C+.'41^,#'/2+C9^$*9B^C+_$*9B^7+L$4&@,##<?)$,%#&$^%&9#L.J$*B!

J$$C\^^222.#C+.'41^,#'/2+C9^$*9B^C+_$*9B^(+2*%BBN)&?)$,%#&$^%&9#L.J$*B!

J$$C\^^222.#C+.'41^,#'/2+C9^$*9B^C+_$*9B^(4)$J+*C$4&@,##<?)$,%#&$^%&9#L.J$*B!

!

Michigan Approach to Setting Nutrient Targets Based on Biological Impairments Sylvia Heaton, Senior Aquatic Biologist

Michigan Department of Natural Resources and Environment (MDNRE) 525 W. Allegan, Second Floor, Lansing, MI 48909


?)$,%#&$3!+,#!*+]4,!C4BB)$+&$3!%&!*+&-!4:!"%8J%'an’3!B+<#3!+&9!3$,#+*3T!8+)3%&'!3#1#,#!%*C+%,*#&$3!%&!34*#!2+$#,!V49%#3!+&9!,#b)%,%&'!$J#!9#1#B4C*#&$!4:!&)$,%#&$!I4$+B!"+L%*)*!A+%B-!E4+93!YI"AE3Z.!SJ#&!+!B+<#!4,!3$,#+*!94#3!&4$!*##$!S+$#,!h)+B%$-!($+&9+,93!YSh(ZT!+!I"AE!*)3$!V#!9#1#B4C#9!$4!9#$#,*%&#!$J#!+*4)&$!4:!+!C4BB)$+&$!$J+$!8+&!#&$#,!+!2+$#,!V49-!+&9!3$%BB!*##$!Sh(.!!IJ#!3$+$#!4:!"%8J%'+&T!2%$J!$J#!J#BC!4:!,#3#+,8J#,3!:,4*!"%8J%'+&!($+$#!X&%1#,3%$-T!J+3!9#1#B4C#9!+!&41#B!#843-3$#*P3C#8%:%8!+CC,4+8J!)3%&'!V%4B4'%8+B!$J,#3J4B93!+&9!C,#9%8$%1#!*49#B%&'!Y;I7"Z!$4!#3$+VB%3J!3%$#!3C#8%:%8!$+,'#$3!:4,!&)$,%#&$!%*C+%,#9!2+$#,3.!IJ#!*+%&!84*C4&#&$3!4:!$J#!;I7"!:,+*#24,<!+,#\!Y5Z!$4!C,#9%8$!#+8J!#843-3$#*’3!i#LC#8$#9!&)$,%#&$!84&8#&$,+$%4&’!%&!$J#!+V3#&8#!4:!J)*+&!#::#8$3!)3%&'!+!C,#9%8$%1#!*49#BT!Y>Z!$4!%9#&$%:-!%*C4,$+&$!V%4B4'%8+B!$J,#3J4B93!+B4&'!+!&)$,%#&$!',+9%#&$!Y%.#.T!V%4B4'%8+B!j;G0k!V#&8J*+,<3ZT!Y/Z!$4!9#$#,*%&#!#+8J!#843-3$#*’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

"%8J%'+&!A#C+,$*#&$!4:!K&1%,4&*#&$+B!h)+B%$-T!S+$#,!;),#+)T!>MMH.!!I4$+B!"+L%*)*!A+%B-!E4+9!:4,!7J43CJ4,)3!:4,!;#+,!E+<#T!")3<#'4&!@4)&$-.!

(4,+&&4T!7.!F.T![.!(C#&8#P@J#,)1#B%BT!N.!Q.!($#1#&34&T!(.E.!N4BB%&3T!(.S.!e4B9#&T!(.!e#+$4&T!+&9!K.!I4,&'.!>MMH.!F!U,+*#24,<!:4,!A#1#B4C%&'!K843-3$#*P(C#8%:%8!?)$,%#&$!@,%$#,%+\!G&$#',+$%&'!;%4B4'%8+B!IJ,#3J4B93!2%$J!7,#9%8$%1#!"49#B%&'.!E%*&4B.!08#+&4',.!W/Y>Z\OO/POHO.!

!!!!!

http://www.epa.gov/reg3wapd/tmdl/pa_tmdl/SouthamptonCreekNutrient/index.html

http://www.epa.gov/reg3wapd/tmdl/pa_tmdl/GooseCreekNutrient/index.html

http://www.epa.gov/reg3wapd/tmdl/pa_tmdl/IndianCreekNutrient/index.html

http://www.epa.gov/reg3wapd/tmdl/pa_tmdl/PaxtonCreekNutrient/index.html

http://www.epa.gov/reg3wapd/tmdl/pa_tmdl/SawmillRunNutrient/index.html


!G""

Identification of Nutrient Concentrations and Enrichment Indicators for Application in a Weight‐ of‐Evidence Based Nutrient Water Quality Standard for Ohio Bob Miltner

Ohio Environmental Protection Agency 50 West Town Street, Suite 700, Columbus, OH 43215

[email protected]

?)$,%#&$!C4BB)$%4&!%3!,#84'&%`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l3!V%4B4'%8+B!+&9!2+$#,!b)+B%$-!9+$+!2#,#!)3#9!$4!J#BC!CB+8#!$J#!,#3)B$3!4:!$J#!&)$,%#&$!3$)9-!%&$4!84&$#L$.!@4&3%3$#&$!2%$J!,#3)B$3!%&!$J#!C)VB%3J#9!B%$#,+$),#T!8J+&'#!C4%&$3!%&!+V)&9+&8#!4:!V#&$J%8!+B'+#!488),,#9!+$!1#,-!B42!&)$,%#&$!84&8#&$,+$%4&3c!J42#1#,T!$J43#!84&8#&$,+$%4&3!9%9!&4$!&#8#33+,%B-!#b)+$#!$4!J+,*:)B!B#1#B3!2%$J!,#3C#8$!$4!:%3J!+&9!*+8,4%&1#,$#V,+$#!84**)&%$%#3T!42%&'!$4!$J#!84*CB#L!,#B+$%4&3J%C!V#$2##&!&)$,%#&$!84&8#&$,+$%4&3!+&9!*+&%:#3$+$%4&3!4:!#&,%8J*#&$.!A%334B1#9!4L-'#&!84&8#&$,+$%4&3!C,41#9!+!V#$$#,!%&9%8+$4,!4:!B48+BB-!84&3#b)#&$%+B!#&,%8J*#&$.!F!*)B$%:+8#$#9!8,%$#,%+!%3!C,4C43#9!$J+$!%&84,C4,+$#3!$+,'#$3!:4,!C,%*+,-!&)$,%#&$3T!V#&8J*+,<3!:4,!3#84&9+,-!#&,%8J*#&$!%&9%8+$4,3T!+&9!V%4B4'%8+B!C#,:4,*+&8#.!

!

Development of Biologically Based Total Maximum Daily Loads for Nutrients in the Upper Midwest Shivi Selvaratnam Jeff Frey

Indiana Department of Environmental Management US Geological Survey 2525 North Shadeland Avenue, Indianapolis, IN 46219 5957 Lakeside Boulevard, Indianapolis, IN 46278

317‐308‐3088, [email protected] [email protected]

F3!C+,$!4:!?FShF’3!"+]4,!N%1#,!;+3%&3!3$)9-T!V%4B4'%8+B!%&9%8+$4,3!2#,#!)3#9!$4!3$)9-!2+$#,!b)+B%$-!%*C+%,*#&$3!9)#3!$4!&)$,%#&$3.!!FB'+BT!%&1#,$#V,+$#T!+&9!:%3J!$+L+!+&9!84**)&%$-!+$$,%V)$#3!$J+$!V#3$!,#:B#8$!$J#!#::#8$3!4:!&)$,%#&$3!2#,#!9#$#,*%&#9!+B4&'!+!',+9%#&$!4:!B42!$4!J%'J!&)$,%#&$!84&8#&$,+$%4&3!%&!2+9#+VB#!"%92#3$#,&!3$,#+*3.!?)$,%#&$!9+$+!84BB#8$#9!:,4*!D=!3+*CB%&'!3%$#3!$J+$!%&8B)9#9!,#:#,#&8#T!+',%8)B$),+B!+&9!),V+&!%&:B)#&8#3!2#,#!)3#9!$4!,#C,#3#&$!$J#!&)$,%#&$!',+9%#&$!2%$J%&!$J#!@#&$,+B!+&9!S#3$#,&!7B+%&3!Y@S7KZ!A%+$4*!K84,#'%4&!Y@4,&V#B$!+&9!?4,$J#,&!d,#+$!7B+%&3!?)$,%#&$!K84,#'%4&ZT!+&9!$J#!dB+8%+B!?4,$J!Yd?KZ!A%+$4*!K84,#'%4&!Y$J#!"43$B-!dB+8%+$#9!A+%,-!N#'%4&!+&9!$J#!?)$,%#&$!744,!E+,'#B-!dB+8%+$#9!XCC#,!"%92#3$!+&9!?4,$J#+3$!?)$,%#&$!K84,#'%4&3Z.!!(%$#3!2#,#!8B+33%:%#9!%&$4!B42T!*#9%)*T!+&9!J%'J!&)$,%#&$!8+$#'4,%#3!V+3#9!+CC,4L%*+$#B-!4&!$J#!5M$J!+&9!OW$J!C#,8#&$%B#3!4:!$4$+B!&%$,4'#&!YI?Z!+&9!$4$+B!CJ43CJ4,)3!YI7Z!84&8#&$,+$%4&3!:4,!3%$#3!2%$J%&!#+8J!A%+$4*!K84,#'%4&.!!!

IJ#,#!2#,#!3%'&%:%8+&$!V,#+<C4%&$3!:4,!&)$,%#&$3!+&9!*)B$%CB#!V%4B4'%8+B!+$$,%V)$#3!2%$J%&!$J#!@S7K!+&9!d?K!#84,#'%4&3.!IJ#!:%&9%&'3!3)''#3$!$J+$!$J#!,+&'#!%&!V,#+<C4%&$3!:4,!I?!+&9!I7!:,4*!$J#!d?K!8+&!V#!)3#9!+3!4B%'4$,4CJ%8!+&9!#)$,4CJ%8!V4)&9+,%#3!2J#,#+3!V,#+<C4%&$3!:4,!I?!+&9!I7!:,4*!$J#!@S7K!3)''#3$!&)$,%#&$!3+$),+$%4&!+&9!8+&!4&B-!9#$#,*%&#!#)$,4CJ%8!V4)&9+,%#3!:4,!,%1#,3!+&9!3$,#+*3!%&!$J#3#!#84,#'%4&3.!!IJ#!I?!+&9!I7!V,#+<C4%&$3!:,4*!$J%3!3$)9-!2%BB!V#!)3#:)B!:4,!9#1#B4C%&'!$+,'#$!B4+93!:4,!V%4B4'%8+B!I"AE3!Y5Z!$4!C,#1#&$!:),$J#,!&#'+$%1#!%*C+8$3!4&!V%4B4'%8+B!84**)&%$%#3!%&!G&9%+&+!+&9!4$J#,!"%92#3$#,&!3$,#+*3T!+&9!Y>Z!%&!"%92#3$#,&!3$+$#3!$J+$!94!&4$!J+1#!2+$#,!b)+B%$-!3$+&9+,93!:4,!&)$,%#&$3.!


!:"

Concurrent Session 1A – TMDL Modeling Applications

Nutrient Modeling Overview Dr. Mazdak Arabi

Colorado State University Colorado State University, A207F, Fort Collins, CO 80523


IJ%3!$+B<!C,#3#&$#9!+&!41#,1%#2!4:!+1+%B+VB#!2+$#,!b)+B%$-!*49#B3!%&8B)9%&'\!X(d(!,#',#33%4&T!(7FNN0ST!dSEUT!(S""T!(SFIT!+&9!e(7U.!IJ#!1+,%4)3!+91+&$+'#3!4:!#+8J!*49#B!+,#!9#38,%V#9!+&9!%*C4,$+&$!84&3%9#,+$%4&3!%&!*49#B!3#B#8$%4&!+,#!9%38)33#9.!G&!+99%$%4&T!*49#B%&'!C,4$484B!+&9!#L+*CB#!+CCB%8+$%4&3!+,#!9#38,%V#9.!!

)54@'!7M!L.D25%&0.(!.N!S5%&.#0!>5$'%!T#5@&$6!D.K'@0!

*?+U,!" )&D'!C$'2!" C25$&5@!CO5@'!" -5$'%!V#5@&$6!!

#%L%"M-4*->>)+'"" 3''@/0"" N/*4-"O/>)'>"" P@.*)-'.>""

%13MME="" 3''@/0"" N/*4-"O/>)'>"" %-D),-'.8"P@.*)-'.8"1->.)2)D->""

L=NQ"" R+'.705"" F#C!A8"<"" %-D),-'.8"P@.*)-'.""

S#3NA&"" %.-/D5T%.$"" =/.-*"O+D5"" 6P8"618"PFG8"UE8"C70+*+V7500"/8"1/.7+4-'>""

=3%1"" F+@*05"" =/.-*"O+D5"" 6P8"618"PFG8"UE8"C70+*+V7500"/8"6%%8"6+W)2>""

%=RR"" %@OTU/)05"" %,/00"O/>)'>"" %-D),-'.8"P@.*)-'.8"1->.)2)D-8"R-./0>8"XEU""

%=36"" U/)05"" RTN"O/>)'>" %-D),-'.8"P@.*)-'.8"1->.)2)D-8"R-./0>8"XEU""

F%1Q"" %@OTU/)05"" RTN"O/>)'>"" %-D),-'.8"P@.*)-'.8"1->.)2)D-8"R-./0>8"XEU""

!

Using Load Duration Curves in Nutrient TMDLs Bruce Cleland

Tetra Tech, Inc. 25919 – 99th Avenue S.W., Vashon, WA 98070

[email protected]

A#C#&9+VB#!$44B3!+,#!&##9#9T!2J%8J!C,4*4$#!#::#8$%1#!84**)&%8+$%4&!V#$2##&!+&+B-3$3T!CB+&&#,3!+&9!%*CB#*#&$#,3T!34!$J+$!+8$%4&3!2%BB!B#+9!$4!*#+3),+VB#!2+$#,!b)+B%$-!%*C,41#*#&$3.!01#,!$J#!C+3$!3#1#,+B!-#+,3T!V+3%8!J-9,4B4'-!+&9!:B42!9),+$%4&!8),1#3!J+1#!V##&!)3#9!$4!3)CC4,$!$J#!9#1#B4C*#&$!4:!I"AE3.!UB42!9),+$%4&!8),1#!+&+B-3%3!%9#&$%:%#3!%&$#,1+B3T!2J%8J!8+&!V#!)3#9!+3!+!'#&#,+B!%&9%8+$4,!4:!J-9,4B4'%8!84&9%$%4&!Y%.#.!2#$!1#,3)3!9,-!+&9!$4!2J+$!9#',##Z.!A),+$%4&!8),1#3!J#BC!,#:%&#!+33#33*#&$3!V-!#LC+&9%&'!$J#!8J+,+8$#,%`+$%4&!4:!2+$#,!b)+B%$-!84&8#,&3T!B%&<%&'!84&8#,&3!$4!<#-!2+$#,3J#9!C,48#33#3T!+&9!C,%4,%$%`%&'!34),8#!#1+B)+$%4&!#::4,$3.!IJ#!#L$#&9#9!)3#!4:!*4&%$4,%&'!%&:4,*+$%4&!)3%&'!9),+$%4&!8),1#3!4::#,3!+&!4CC4,$)&%$-!:4,!#&J+&8#9!$+,'#$%&'T!V4$J!%&!:%#B9!%&1#3$%'+$%4&!#::4,$3!+&9!%*CB#*#&$+$%4&!CB+&&%&'.!!


!I""

A),+$%4&!8),1#3!C,41%9#!+&4$J#,!2+-!4:!C,#3#&$%&'!2+$#,!b)+B%$-!9+$+T!2J%8J!8J+,+8$#,%`#3!84&8#,&3!+&9!9#38,%V#3!C+$$#,&3!+3348%+$#9!2%$J!%*C+%,*#&$3.!IJ%3!:,+*#24,<!8+&!J#BC!#B#1+$#!$J#!%*C4,$+&8#!4:!*4&%$4,%&'!%&:4,*+$%4&!$4!3$+<#J4B9#,3T!2J%8J!%&!$),&!8+&!#&84),+'#!B48+BB-!9,%1#&!9+$+!84BB#8$%4&!#::4,$3!Y#.'.!$J,4)'J!2+$#,3J#9!',4)C3T!84&3#,1+$%4&!9%3$,%8$3T!C4%&$!34),8#3Z.!F3!+&!+33#33*#&$!+&9!84**)&%8+$%4&!$44BT!9),+$%4&!8),1#3!8+&!+B34!J#BC!&+,,42!C4$#&$%+B!9#V+$#3T!+3!2#BB!+3!%&:4,*!$J#!C)VB%8!+&9!3$+<#J4B9#,3!34!$J#-!V#84*#!#&'+'#9!%&!#::4,$3!$4!%*C,41#!2+$#,!b)+B%$-.!IJ%3!C,#3#&$+$%4&!2%BB!C,41%9#!+!V,%#:!41#,1%#2!4&!$J#!9),+$%4&!8),1#!+CC,4+8J!:4BB42#9!V-!+!:48)3#9!9%38)33%4&!4&!$J#!+CCB%8+V%B%$-!4:!$J#!*#$J49!$4!3)CC4,$!9#1#B4C*#&$!4:!&)$,%#&$!I"AE3.!(#1#,+B!#L+*CB#3!2%BB!V#!)3#9!$4!%BB)3$,+$#!J42!$J#!9),+$%4&!8),1#!:,+*#24,<!8+&!V#!)3#9!$4!%9#&$%:-!C+$$#,&3!+3348%+$#9!2%$J!&)$,%#&$!84&8#,&3!+&9!:48)3!#::4,$3!$4!9#1#B4C!*#+&%&':)B!I"AE!+BB48+$%4&3.!

!

Water Quality Modeling – Technical Applications Using Mechanistic Models Tim Wool

US EPA Region 4 61 Forsyth Street, SW, MC: 9T25; Atlanta, GA 30303 [email protected]

"#8J+&%3$%8!*49#B3!+,#!84**4&B-!)3#9!$4!3%*)B+$#!$J#!#::#8$3!4:!&)$,%#&$3!4&!V%4B4'%8+B!84&9%$%4&3.!IJ#,#!+,#!&)*#,4)3!1+,%+VB#3!+&9!C,48#33#3!$J+$!+,#!,#C,#3#&$#9!%&!$-C%8+B!#)$,4CJ%8+$%4&!*49#B3!+3!9#38,%V#9!%&!U%'),#!W!2J%8J!%3!+!,#C,#3#&$+$%4&!4:!$J#!SF(7!*49#B.!(#1#,+B!4:!$J#!C,48#33#3!+,#!9#38,%V#9!%&!9#$+%BT!+&9!+&!#L+*CB#!4:!*#8J+&%3$%8!*49#B%&'!4&!$J#!?)#3#!N%1#,!%3!C,41%9#9.!!

!

!


!;"

!!!

!

3&B#%'!8M!W5%&54@'0!5(K!2%.O'00'0!&(O@#K'K!&(!$1'!-ACF!D.K'@M!

!

Nutrient TMDLs for Reservoirs with Limited Data: Assessing Uncertainty Using Monte Carlo Simulation Andrew Fang

Oklahoma Department of Environmental Quality 707 N. Robinson, P.O. Box 1677, Oklahoma City, OK 73101‐1677


N48<-!+&9!I4*!($##9!E+<#3!+,#!$24!3*+BBP!$4!*%9P3%`#9!,#3#,14%,3!%&!,),+B!34)$J2#3$!0<B+J4*+.!IJ#-!J+1#!84&3#,1+$%4&!C44B!3$4,+'#3!4:!=T>5M!+&9!HHTROM!+8P:$T!,#3C#8$%1#B-T!2%$J!+1#,+'#!9#C$J3!4:!5>!+&9!5W!:##$.!A+$+!%&9%8+$#!$J+$!$J#!$24!B+<#3!94!&4$!3$,+$%:-!84&3%3$#&$B-!9),%&'!3)**#,!*4&$J3.!IJ#!$24!B+<#3!+,#!9#3%'&+$#9!+3!3#&3%$%1#!2+$#,!3)CCB-!Y(S(Z!B+<#3!+&9!+,#!4&!0<B+J4*a’3!/M/Y9Z!B%3$!9)#!$4!J%'J!@JBP+!B#1#B3!YB4&'P$#,*!+1#,+'#3!4:!=W!+&9!>=!m'^ET!,#3C#8$%1#B-Z.!0<B+J4*+!AKh!%3!9#1#B4C%&'!I"AE3!:4,!$J#3#!$24!B+<#3!+%*%&'!$4!,#9)8#!$J#!@JBP+!B#1#B!%&!$J#!B+<#3!$4!V#B42!5M!m'^ET!$J#!0<B+J4*+!2+$#,!b)+B%$-!3$+&9+,9!:4,!(S(!B+<#3.!!

A)#!$4!%$3!2J#+$!+&9!,+&'#!94*%&+$#9!+',%8)B$),+B!B+&938+C#T!(SFI!2+3!8J43#&!:4,!#3$%*+$%&'!&)$,%#&$!B4+9%&'3!$4!$J#!B+<#3.!;#8+)3#!$J#,#!%3!&4!3$,#+*!2+$#,!b)+B%$-!*4&%$4,%&'!%&!$J#!B+<#!2+$#,3J#93T!$J#!


(SFI!*49#B!%3!8+B%V,+$#9!+'+%&3$!$24!2+$#,!b)+B%$-!*4&%$4,%&'!3$+$%4&3!%&!$J#!B+,'#,!eX@PH!2+$#,3J#9!$J+$!#&84*C+33#3!V4$J!B+<#3!+&9!$J#%,!2+$#,3J#93.!E+<#!*4,CJ4*#$,%8!9+$+!+,#!B%*%$#9!$4!B+<#!14B)*#!+&9!3),:+8#!+,#+!4&B-!:4,!N48<!E+<#!2J%B#!V+$J-*#$,%8!9+$+!+,#!+1+%B+VB#!:4,!I4*!($##9!E+<#.!IJ#,#!+,#!V#$2##&!=M!+&9!DO!*#+3),#*#&$3!4:!@JBP+!+&9!&)$,%#&$3!3C+&&%&'!41#,!D!-#+,3!:,4*!D!3+*CB%&'!C4%&$3!4&!#+8J!B+<#!YV#$2##&!5n>!3+*CB#3!C#,!3%$#!C#,!-#+,Z.!()8J!9+$+!B%*%$+$%4&!C,#1#&$#9!$J#!+CCB%8+$%4&!4:!*4,#!9#$+%B#9!2+$#,!b)+B%$-!*49#B3!3)8J!+3!KUA@!:4,!$J#!B+<#3.!F3!+!,#3)B$T!$J#!@4,C3!4:!K&'%&##,s’!;FIeIX;!3$+$%3$%8+B!,#3#,14%,!*49#B!2+3!8J43#&!$4!3%*)B+$#!B+<#!@JBP+!,#3C4&3#3!$4!&)$,%#&$!B4+9%&'3!:,4*!$J#!2+$#,3J#9.!!

F:$#,!;FIeIX;!%3!8+B%V,+$#9!+'+%&3$!$J#!B4&'P$#,*!+1#,+'#3!4:!2+$#,!b)+B%$-!*#+3),#*#&$3!:4,!$4$+B!7T!$4$+B!?T!@JBP+T!+&9!(#88J%!9#C$JT!+!3#&3%$%1%$-!+&+B-3%3!%3!84&9)8$#9!4&!5H!*49#B!%&C)$!+&9!8+B%V,+$%4&!C+,+*#$#,3!$4!%9#&$%:-!$J#!W!*43$!3#&3%$%1#!4&#3!%&:B)#&8%&'!$J#!*49#B#9!@JBP+!B#1#B!%&!#+8J!B+<#.!I24!*49#B!C+,+*#$#,3T!&4&P+B'+B!$),V%9%$-!+&9!$J#!8+B%V,+$%4&!:+8$4,!:4,!@JBP+T!+,#!3J42&!$4!V#!3#&3%$%1#!:4,!V4$J!B+<#3.!F!"4&$#!@+,B4!)&8#,$+%&$-!+&+B-3%3!%3!$J#&!84&9)8$#9!V+3#9!4&!+33)*#9!&4,*+B!9%3$,%V)$%4&3!4:!$J#!W!*43$!3#&3%$%1#!C+,+*#$#,3!+&9!$J#!E+$%&!e-C#,8)V#!3+*CB%&'!$#8J&%b)#.!I2#&$-!$J4)3+&9!Y>MTMMMZ!"4&$#!@+,B4!3%*)B+$%4&3!+,#!,)&!:4,!#+8J!B+<#!$4!,#+8J!&)*#,%8+B!3$+V%B%$-.!IJ#!3%*)B+$%4&!,#3)B$!%3!+!C,4V+V%B%$-!9%3$,%V)$%4&!%&9%8+$%&'!$J#!C,4V+V%B%$-!4:!$J#!B+<#!V#%&'!+$!+&-!'%1#&!@JBP+!B#1#B!%&!,#3C4&3#!$4!+!$+,'#$#9!2+$#,3J#9!B4+9!,#9)8$%4&T!'%1#&!$J#!1+,%+V%B%$-!4:!$J#!WC+,+*#$#,3.!G&%$%+B!#L#8)$%4&!4:!$J#!*#$J494B4'-!3J42#9!$J+$!$J#,#!2+3!+!OWo!C,4V+V%B%$-!$J+$!N48<-!E+<#!24)B9!J+1#!+!@JBP+!B#1#B!p!5M!m'^E!%:!$J#!?!+&9!7!B4+9!,#9)8$%4&3!:,4*!$J#!B+<#!2+$#,3J#9!2+3!3#$!$4!+8J%#1#!+&!+1#,+'#!B+<#!@JBP+!+$!R!m'^E!Y+&!#LCB%8%$!5Mo!"0(Z.!U4,!I4*!($##9!E+<#T!$J#!C,4V+V%B%$-!%3!WMo.!U),$J#,!#LCB4,+$%4&!4:!$J#!+CCB%8+$%4&!4:!$J#!)&8#,$+%&$-!+&+B-3%3!%&!3#$$%&'!$J#!I"AE3T!%&8B)9%&'!$J#!"0(T!%3!3$%BB!4&P'4%&'.!

!

!J""


!<"

Concurrent Session 1B – State Approaches to Nutrient TMDLs

Nutrient TMDLs Issues in Kentucky Andrea Fredenburg, Environmental Biologist Consultant

Kentucky Division of Water 300 Fair Oaks Lane, Fourth Floor, Frankfort, KY 40601


[#&$)8<-!8),,#&$B-!J+3!+!&+,,+$%1#!&)$,%#&$!B%*%$!$J+$!,#3$,%8$3!9%38J+,'#3!4:!&%$,4'#&T!CJ43CJ4,)3T!8+,V4&T!+&9!84&$,%V)$%&'!$,+8#!#B#*#&$3!V+3#9!)C4&!$J#!384C#!4:!$J#!C,4VB#*c!$J#!'#4',+CJ-!4:!$J#!+::#8$#9!+,#+c!+&9!,#B+$%1#!84&$,%V)$%4&3!:,4*!#L%3$%&'!+&9!C,4C43#9!34),8#3.!;%4B4'%3$3!*)3$!%&$#,C,#$!$J%3!&+,,+$%1#!$4!9#$#,*%&#!2J#$J#,!+!2+$#,V49-!%3!%*C+%,#9!:4,!&)$,%#&$3.!IJ%3!%3!94&#!V-!:%,3$!9#$#,*%&%&'!$J+$!$J#!2+$#,V49-!%3!&4$!3)CC4,$%&'!$J#!Fb)+$%8!E%:#!X3#T!$J#&!#L+*%&%&'!$J#!V%4B4'%8+B!+&9!CJ-3%48J#*%8+B!9+$+!+&9!:%#B9!4V3#,1+$%4&3!$4!9#$#,*%&#!$J+$!&)$,%#&$3!+,#!+!8+)3#!4:!$J#!%*C+%,*#&$.!FB$J4)'J!&)*#,%8+B!&)$,%#&$!8,%$#,%+!+,#!)&9#,!9#1#B4C*#&$T!%&!$J#!C+3$T!$J#!B%&<!V#$2##&!$J#!Fb)+$%8!E%:#!X3#!+&9!&)$,%#&$!%*C+%,*#&$!2+3!&4$!2#BB!#3$+VB%3J#9.!IJ%3!*+9#!I"AE!9#1#B4C*#&$!9%::%8)B$!V#8+)3#!$J#!&)$,%#&$!$+,'#$!2+3!&4$!<&42&!4,!3$+&9+,9%`#9.!

[#&$)8<-!8),,#&$B-!,#B%#3!4&!4)$3%9#!#&$%$%#3!$4!*49#B!&)$,%#&$!%*C+%,*#&$3!+&9!9#1#B4C!I"AE3!V+3#9!)C4&!&)$,%#&$!$+,'#$3T!+!,#34),8#!%&$#&3%1#!#&9#+14,.!I4!9+$#T!:%1#!I"AE3!:4,!&)$,%#&$!%*C+%,#9!2+$#,V49%#3!J+1#!V##&!+CC,41#9T!+BB!C,%4,!$4!>MM5.![#&$)8<-!J4C#3!$J+$!3%*CB#,!*#$J493!$J+&!*49#B%&'!8+&!V#!%9#&$%:%#9!$4!C,49)8#!*#+&%&':)B!&)$,%#&$!I"AE3c!J42#1#,T!3$+::!+,#!C,#C+,%&'!:4,!%&PJ4)3#!*49#B%&'!4:!&)$,%#&$3!1%+!$,+%&%&'!4CC4,$)&%$%#3.!

FB$J4)'J!4&B-!:%1#!I"AE3!J+1#!V##&!C,49)8#9T![#&$)8<-!94#3!J+1#!3#1#,+B!&)$,%#&$!I"AE3!)&9#,!9#1#B4C*#&$!V-!4)$3%9#!#&$%$%#3.!IJ#!*+%&!8J+BB#&'#3!+3348%+$#9!2%$J!9#1#B4C*#&$!4:!$J#!&)$,%#&$!I"AE3!+,#!9+$+!'+C3!+&9!B+8<!4:!3$+&9+,9%`#9!&)*#,%8+B!&)$,%#&$!$+,'#$3.!A+$+!'+C3!%&8B)9#!B+8<!4:!84&$%&)4)3!4,!&#+,!84&$%&)4)3!:B42!*#+3),#*#&$3!+&9!B%*%$#9!<&42B#9'#!4:!<+,3$!V#J+1%4,!:4,!*49#B%&'!C),C43#3T!B%*%$#9!%&:4,*+$%4&!4&!:,#b)#&8-T!*+'&%$)9#T!+&9!9),+$%4&!4:!@(0!+&9!((0!#1#&$3!+3!2#BB!+3!&)$,%#&$!84&8#&$,+$%4&3!%&!$J#3#!9%38J+,'#3T!&4!*#+3),#9!9+$+!4&!#1#&$!*#+&!84&8#&$,+$%4&3!:4,!9%::#,#&$!B+&9!)3#3T!+&9!)&<&42&!V4)&9+,-!84&9%$%4&3!:4,!*49#B%&'!C),C43#3.!

G&![#&$)8<-T!%*CB#*#&$+$%4&!4:!:%L#3!:4,!%*C+%,#9!2+$#,V49%#3!8+&!488),!%&9#C#&9#&$B-!4:!I"AE!9#1#B4C*#&$!1%+!S+$#,3J#9!;+3#9!7B+&3.!@J+BB#&'#3!+3348%+$#9!2%$J!%*CB#*#&$+$%4&!4:!&)$,%#&$!$+,'#$3!%&8B)9#!)&9#$#,*%&#9!&4&C4%&$!34),8#!B4+9%&'3T!2J%8J!+BB42!3$+<#J4B9#,3!$4!9#&-!$J#%,!,#3C4&3%V%B%$-!+&9!C4%&$!:%&'#,3!+$!4$J#,!',4)C3c!B%*%$#9!#&:4,8#*#&$!4:!$J#![q!F',%8)B$),#!S+$#,!h)+B%$-!F8$T!2J%8J!,#b)%,#3!&)$,%#&$!*+&+'#*#&$!CB+&3c!+&9!843$B-!;"73!4,!:+8%B%$-!)C',+9#3.!

!

Nutrient TMDL Development and Implementation in New Mexico Shelly Lemon, Nutrient and Lakes Team Leader and TMDL Writer

New Mexico Environment Department 1190 S St. Francis Drive, Harold Runnels Building, N2050, Santa Fe, NM 87505


7B+&$!&)$,%#&$3!+,#!#33#&$%+B!:4,!C,4C#,!:)&8$%4&%&'!4:!#843-3$#*3.!e42#1#,T!&)%3+&8#!B#1#B3!4:!+B'+#!+&9!4$J#,!+b)+$%8!1#'#$+$%4&!8+&!9#1#B4C!,+C%9B-!%&!,#3C4&3#!$4!&)$,%#&$!#&,%8J*#&$!2J#&!4$J#,!:+8$4,3!Y#.'.T!B%'J$T!$#*C#,+$),#T!3)V3$,+$#T!#$8.Z!+,#!&4$!B%*%$%&'.!IJ#!,#B+$%4&3J%C!V#$2##&!&)%3+&8#!+B'+B!',42$J!+&9!


!?""

&)$,%#&$!#&,%8J*#&$!%&!3$,#+*!3-3$#*3!J+3!V##&!2#BB!948)*#&$#9!%&!$J#!B%$#,+$),#.!X&:4,$)&+$#B-T!$J#!&)$,%#&$!84&8#&$,+$%4&!$J+$!84&3$%$)$#3!f#L8#33g!%3!9%::%8)B$!$4!9#$#,*%&#!9)#!$4!3%$#P3C#8%:%8!1+,%+VB#3!3)8J!+3!$#*C#,+$),#T!8+&4C-!3J+9%&'T!+&9!$),V%9%$-!2J%8J!84&$,4B!$J#!,#3C4&3#!4:!+!'%1#&!+b)+$%8!3-3$#*.!!

@),,#&$B-T!$J#!($+$#!4:!?#2!"#L%84!J+3!+!&+,,+$%1#!&)$,%#&$!8,%$#,%4&!$4!9#$#,*%&#!%*C+%,*#&$T!2J%8J!3$+$#3\!

!"#$%&'%(&)*+%&,'-)./'.&0+)'&0$%'%$&()$#'1$(,+,',0$##'%.&'2+'3)+,+%&'*%'1.%1+%&)$&*.%,'40*10'4*##'3).5(1+'(%5+,*)$2#+'$6($&*1'#*-+'.)')+,(#&'*%'$'5./*%$%1+'.-'%(*,$%1+',3+1*+,'*%',()-$1+'4$&+),'.-'&0+',&$&+7'89:;<'=>>?@A'

IJ%3!&+,,+$%1#!8,%$#,%4&!8+&!V#!8J+BB#&'%&'!$4!+33#33!V#8+)3#!$J#!,#B+$%4&3J%C!V#$2##&!&)$,%#&$!84&8#&$,+$%4&3!+&9!)3#!+$$+%&*#&$!%3!1+,%+VB#!V#$2##&!#84,#'%4&3T!2+$#,3J#93T!+&9!,#+8J#3.!G&!+99%$%4&T!9%3$%&')%3J%&'!&)$,%#&$3!:,4*!f4$J#,!$J+&!&+$),+B!8+)3#3g!8+&!V#!#LC#&3%1#T!$%*#!84&3)*%&'T!+&9!9%::%8)B$!$4!9#$#,*%&#.!S%$J!,#84'&%$%4&!4:!$J#!C#,1+3%1#&#33!+&9!3#1#,%$-!4:!&)$,%#&$P,#B+$#9!C,4VB#*3T!$J#!&##9!$4!+88),+$#B-!*4&%$4,!+&9!+33#33!&)$,%#&$!%*C+%,*#&$!+&9!9#1#B4C!#::#8$%1#!I"AE3!:4,!%*C+%,#9!2+$#,3!%3!8B#+,.!h)+&$%$+$%1#!$,+&3B+$4,3!+,#!&#8#33+,-!$4!+88),+$#B-!+33#33!2+$#,3!4:!$J#!3$+$#T!C,41%9#!I"AE!$+,'#$3!:4,!%*C+%,#9!2+$#,3T!+&9!8+B8)B+$#!2+3$#B4+9!+BB48+$%4&3!:4,!?7AK(!C#,*%$3.!IJ%3!C,#3#&$+$%4&!C,41%9#3!+&!41#,1%#2!4:!?#2!"#L%8o’3!+CC,4+8J!$4!&)$,%#&$!+33#33*#&$T!I"AE!9#1#B4C*#&$T!+&9!%*CB#*#&$+$%4&.!G&!+99%$%4&T!3#1#,+B!C#,$%&#&$!8+3#!3$)9%#3!2%BB!V#!9%38)33#9.!!

?#2!"#L%co’3!?)$,%#&$!!S#VC+'#\!J$$C\^^222.&*#&1.3$+$#.&*.)3^32bV^?)$,%#&$3^!!

?)$,%#&$!F33#33*#&$!7,4$484B!:4,!S+9#+VB#T!7#,#&&%+B!($,#+*3\!:$C\^^:$C.&*#&1.3$+$#.&*.)3^222^32bV^"F(^7,4$484B3^K.C9:!!!

KL+*CB#3!4:!?)$,%#&$!I"AE3\!

5." @%*+,,4&!N%1#,!S+$#,3J#9!I"AE3!Y(#8$%4&!W!6!7B+&$!?)$,%#&$3Z!+." @%#&#')%BB+!@,##<!YF&'#B!U%,#!SSI7Z!V." @%*+,,4&!N%1#,!Y(C,%&'#,!SSI7Z!

>." Q#*#`!N%1#,!S+$#,J3#9!I"AE3!Y(#8$%4&!W!6!7B+&$!?)$,%#&$3Z!+." Q#*#`!N%1#,!YQ#*#`!(C,%&'3!SSI7Z!

/." N%4!e4&94!S+$#,3J#9!%&!E%&84B&!@4)&$-!Y(#8$%4&!W!6!?)$,%#&$3Z!+." N%4!N)%9434!YN)%9434^N)%9434!A42&3!SSI7Z!

!

North Carolina Nutrient TMDLs: Integrating State and Federal Programs Pam Behm, Environmental Modeler

North Carolina Division of Water Quality 1601 Mail Service Center, Raleigh, NC 27699‐1601


?4,$J!@+,4B%&+!Y?@Z!C,%*+,%B-!+99,#33#3!&)$,%#&$!%*C+%,*#&$!$J,4)'J!%$3!8JB4,4CJ-BBP+!&)*#,%8!2+$#,!b)+B%$-!3$+&9+,9.!IJ%3!C,#3#&$+$%4&!2%BB!C,41%9#!V+8<',4)&9!4&!$J#!8JB4,4CJ-BBP+!3$+&9+,9!+&9!$J#!J%3$4,-!4:!&)$,%#&$!I"AE!9#1#B4C*#&$!%&!?@.!IJ#!C,#3#&$+$%4&!2%BB!%&8B)9#!+!'#&#,+B!#L+*CB#!4:!J42!&)$,%#&$!I"AE3!+,#!9#1#B4C#9!%&!?@!+&9!#LCB+%&!J42!?@!J+3!%&$#',+$#9!3$+$#!+&9!:#9#,+B!C,4',+*3!$4!#&3),#!%*CB#*#&$+$%4&!V-!+BB!34),8#3.!U%&+BB-T!C,4C43#9!8J+&'#3!$4!$J#!8),,#&$!3$+&9+,9!+&9!3$+$#!,#')B+$4,-!#::4,$3!$4!C,#1#&$!2+$#,3!:,4*!V#84*%&'!%*C+%,#9!2%BB!V#!9%38)33#9.!

http://www.nmenv.state.nm.us/swqb/RioHondo-LincolnCounty/05.pdf

http://www.nmenv.state.nm.us/swqb/Nutrients/

http://www.nmenv.state.nm.us/swqb/Nutrients/

ftp://ftp.nmenv.state.nm.us/www/swqb/MAS/Protocols/E.pdf

ftp://ftp.nmenv.state.nm.us/www/swqb/MAS/Protocols/E.pdf

ftp://ftp.nmenv.state.nm.us/www/swqb/MAS/TMDLs/Cimarron/05.pdf

ftp://ftp.nmenv.state.nm.us/www/swqb/MAS/TMDLs/USEPA-ApprovedJemezTMDL.pdf


AB"

Los Angeles Area Lake TMDLs “Simple” TMDLs developed using the NNE BATHTUB model. Valentina Cabrera‐Stagno

US EPA Region 9 75 Hawthorne Street, MC: WTR‐2, San Francisco, CA 94105

415‐972‐3434; cabrera‐[email protected]

K7F!%3!)&9#,!+!84&3#&$!9#8,##!$J+$!,#b)%,#3!9#1#B4C*#&$!4:!I"AE3!:4,!J)&9,#93!4:!2+$#,V49-!C4BB)$+&$!84*V%&+$%4&3!%&!$J#!E43!F&'#B#3!+,#+!V-!"+,8J!>M5>.!I4!*##$!$J#!84&3#&$!9#8,##!9#+9B%&#T!K7F!%3!#3$+VB%3J%&'!*+&-!4:!$J#3#!I"AE3!V,4<#&!)C!%&$4!C,4]#8$3!$J+$!#&84*C+33!*+&-!C4BB)$+&$!2+$#,V49-!84*V%&+$%4&3.!0&#!4:!$J#3#!C,4]#8$3!%&8B)9#3!&%&#!B+<#3!%*C+%,#9!V-!+B'+#T!+**4&%+T!8JB4,9+&#T!84CC#,T!9%#B9,%&T!AAIT!#)$,4CJ%8+$%4&T!B#+9T!4,'+&%8!#&,%8J*#&$^B42!9%334B1#9!4L-'#&T!*#,8),-T!494,T!7@;3T!Ce!+&9^4,!$,+3J.!!

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eIX;!*49#B!2+3!8+B%V,+$#9!$4!B+<#P3C#8%:%8!84&9%$%4&3.!IJ%3!*49#B!2+3!$J#&!)3#9!$4!'#&#,+$#!3%$#P3C#8%:%8!&)$,%#&$!B4+9%&'3!,#b)%,#9!$4!+$$+%&!$J#!8JB4,4CJ-BB!$!$+,'#$!+$!#+8J!B+<#.!E%*%$#9!9+$+!8),,#&$B-!%&9%8+$#!K8J4!7+,<!E+<#T!7#8<!N4+9!7+,<!E+<#T!(+&$+!U#!A+*!7+,<!+&9!$J#!34)$J#,&!B+<#!3-3$#*!4:!KB!A4,+94!7+,<!E+<#3!+,#!*##$%&'!$J#!8JB4,4CJ-BB!$!$+,'#$.!K7F!%3!+33%'&%&'!,#3C4&3%VB#!]),%39%8$%4&3!%&!$J#3#!B+<#3’!2+3$#B4+9!+&9!B4+9!+BB48+$%4&3!V+3#9!4&!#L%3$%&'!B4+9%&'!4:!&%$,4'#&!+&9!CJ43CJ4,)3!$4!$J43#!B+<#3.!E+<#!@+B+V+3+3T!E#''!E+<#3T!E%&84B&!7+,<!E+<#T!7)99%&'3$4&#!N#3#,14%,!+&9!$J#!&4,$J#,&!B+<#!3-3$#*!4:!KB!A4,+94!7+,<!E+<#3!+,#!+33%'&#9!*+33PV+3#9!2+3$#B4+9!+&9!B4+9!+BB48+$%4&3!V+3#9!4&!$J#!??K!;FIeIX;!*49#B!4)$C)$3.!A),%&'!$J#!:%,3$!C)VB%8!84**#&$!C#,%49T!84&8#,&3!2#,#!,+%3#9!V-!*+&-!3$+<#J4B9#,3!+V4)$!2+&$%&'!$4!$,+&3%$%4&!$4!)3%&'!,#8B+%*#9!2+$#,!$4!3)CCB#*#&$!B+<#!B#1#B3!%&3$#+9!4:!C4$+VB#!2+$#,.!I4!%&84,C4,+$#!34*#!:B#L%V%B%$-!+B$#,&+$%1#!2+3$#B4+9!+BB48+$%4&3!+,#!V#%&'!%&8B)9#9!%&!$J#!I"AE3.!N#3C4&3%VB#!]),%39%8$%4&3!,#8#%1%&'!,#b)%,#9!,#9)8$%4&3!J+1#!$J#!4C$%4&!$4!3)V*%$!+!,#b)#3$!$4!$J#!N#'%4&+B!;4+,9!:4,!+B$#,&+$%1#!84&8#&$,+$%4&PV+3#9!2+3$#B4+9!+BB48+$%4&3!+B4&'!2%$J!+!E+<#!"+&+'#*#&$!7B+&!9#$+%B%&'!J42!$J#!2+$#,!b)+B%$-!3$+&9+,93T!8JB4,4CJ-BB!$!$+,'#$!+&9!$J#!84&8#&$,+$%4&PV+3#9!2+3$#B4+9!+BB48+$%4&3!2%BB!V#!+8J%#1#9!V-!%*C,41#9!B+<#!*+&+'#*#&$!C,+8$%8#3.!IJ#3#!]),%39%8$%4&3!8+&!,#8#%1#!+B$#,&+$%1#!84&8#&$,+$%4&PV+3#9!2+3$#B4+9!+BB48+$%4&3!&4$!$4!#L8##9!5.M!+&9!M.5!*'^E!$4$+B!&%$,4'#&!+&9!$4$+B!CJ43CJ4,)3T!,#3C#8$%1#B-.!U4,!B+<#3!&4$!8),,#&$B-!+$$+%&%&'!$J#!8JB4,4CJ-BB!$!$+,'#$T!$J#3#!I"AE3!%&8B)9#!,#9)8$%4&3!4:!=Wo!$4!O5o!:4,!$4$+B!&%$,4'#&!+&9!>/o!$4!D>o!:4,!$4$+B!CJ43CJ4,)3!9#C#&9%&'!4&!$J#!B+<#.!

!

!

!

!

!

!


A!""

Expressing Load Allocations for Nutrient TMDLs with Direct Linkage to Implementation Tools Kevin Kirsch, Water Resource Engineer

Wisconsin Department of Natural Resources 101 S Webster Street, MC: WT/3, Madison, WI 53703


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b)+B%$-!+,#!)&B%<#B-!&4$!$4!488),!)&B#33!&4&C4%&$!,#9)8$%4&3!8+&!V#!,#+B%`#9.!K1#&!2J#&!$J%3!V,#+<4)$!488),3T!4:$#&!%$!%3!94&#!+$!$J#!2+$#,3J#9!38+B#!2%$J!,#9)8$%4&!'4+B3!#LC,#33#9!$J,4)'J!$J#!2+$#,3J#9!*49#B%&'.!IJ#!,#3)B$3!4:!$J#!2+$#,3J#9!*49#B%&'!+,#!4:$#&!#LC,#33#9!%&!+!9#B%1#,#9!B4+9!$J+$!+884)&$3!:4,!:+$#!+&9!$,+&3C4,$!CJ#&4*#&+!$J+$!4:$#&!94#3!&4$!$,+&3B+$#!$4!$J#!:%#B9!38+B#!$44B3!)3#9!:4,!%*CB#*#&$+$%4&.!

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b)#3!+,#!V#%&'!9#1#B4C#9!$4!J#BC!%9#&$%:-!+&9!$+,'#$!8,%$%8+B!+,#+3!2%$J4)$!$%*#P84&3)*%&'!+&9!9#$+%B#9!3),1#-3.!

E%&<!:4,!S%384&3%&’3!:%#B9!38+B#!&)$,%#&$!*+&+'#*#&$!$44B\!J$$C\^^222.3&+CCB)3.&#$^!

E%&<!:4,!S%384&3%&!;)::#,!G&%$%+$%1#!2J%8J!4)$B%&#3!+&!%*CB#*#&$+$%4&!3$,+$#'-!:4,!2+$#,!b)+B%$-!%*C,41#*#&$\!J$$C\^^222.34%B3.2%38.#9)^#L$#&3%4&^&4&C4%&$^2V%.CJC!

E%&<!$4!C%B4$!C,4]#8$\!J$$C\^^222.&+$),#.4,'^2J#,#2#24,<^&4,$J+*#,%8+^3$+$#3^2%384&3%&^:%B#3^C#8+$4&%8+_,%1#,_:+8$_3J##$.C9:!

http://www.nature.org/wherewework/northamerica/states/wisconsin/files/pecatonica_river_fact_sheet.pdf

http://www.snapplus.net/

http://www.soils.wisc.edu/extension/nonpoint/wbi.php


Concurrent Session 2A – Technical and Regulatory Issues in TMDL Development

Linking Nutrients and Sediment Oxygen Demand, Souris River TMDL Heather Husband Duchscherer

North Dakota Department of Health 314 Main St. S, #2; Towner, ND 58788 701‐537‐2043, [email protected]

"43$!9%334B1#9!4L-'#&!%*C+%,*#&$3!+,#!,#B+$#9!$4!#L8#33%1#!&)$,%#&$3T!34!2,%$%&'!+!I"AE!2%$J!+!&)$,%#&$!$+,'#$!4:!$J#!($+$#!2+$#,!b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`%&'!C4$#&$%+B!CB+-#,3!%&!V4$J!$J#!I"AE!+&9!%*CB#*#&$+$%4&!CJ+3#!C,48#33#3!#+,B-!4&!2%BB!',#+$B-!%&8,#+3#!$J#!3)88#33!4:!84&3#,1+$%4&!*#+3),#3!%&!$J#!:)$),#T!+3!2%BB!,#84'&%`%&'!$J+$!9%::#,%&'!C#,3C#8$%1#3!4&!$J#!8+)3#3!4:!%*C+%,*#&$3!94#3!&4$!*#+&!84**4&!'4+B3!8+&&4$!V#!*#$.!

F3!+&!#L+*CB#!4:!$J#3#!84&8#C$3T!G!2%BB!9%38)33!$J#!,#8#&$B-!84*CB#$#9!(4),%3!N%1#,!A%334B1#9!0L-'#&!I"AET!+!I"AE!$J+$!C,#3#&$3!)&%b)#!8J+BB#&'#3!+3!$J#!2+$#,3J#9!8,433#3!+&!%&$#,&+$%4&+B!V4)&9+,-.!F!?4,$J!A+<4$+!($+$#!X&%1#,3%$-!',+9)+$#!3$)9#&$!2+3!C,41%9#9!:)&9%&'!$4!+&+B-`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e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

F!84C-!4:!$J#!(4),%3!N%1#,!A%334B1#9!0L-'#&!I"AE!8+&!V#!:4)&9!+$\!J$$C\^^222.&9J#+B$J.'41^Sh^(S^r>_I"AE^I"AE3_@4*CB#$#9^;_@4*CB#$#9_I"AE3.J$*!

!

!

!

!

AA"

http://www.ndhealth.gov/WQ/SW/Z2_TMDL/TMDLs_Completed/B_Completed_TMDLs.htm


AG""

Cutler Reservoir’s Phased TMDL for Nutrients and Dissolved Oxygen Michael Allred, Watershed TMDL Coordinator

Utah Division of Water Quality PO Box 144870, Salt Lake City, UT 84114‐4870


IJ#!41#,+BB!'4+B!4:!$J#!I"AE!C,48#33!%3!$4!,#3$4,#!+&9!*+%&$+%&!2+$#,!b)+B%$-!%&!@)$B#,!N#3#,14%,!+&9!$J#!;#+,!N%1#,!+&9!$J#%,!+3348%+$#9!2+$#,3J#93!$4!+!B#1#B!$J+$!C,4$#8$3!+&9!3)CC4,$3!$J#!9#3%'&+$#9!V#&#:%8%+B!)3#3!Y3#84&9+,-!84&$+8$!,#8,#+$%4&T!2+,*!2+$#,!'+*#!:%3JT!2+$#,:42B!J+V%$+$!+&9!+',%8)B$),+B!2+$#,!3)CCB-Z.!IJ#!;#+,!N%1#,^@)$B#,!N#3#,14%,!2+$#,3J#9!#L#*CB%:%#3!*+&-!4:!$J#!84*CB#L!9%::%8)B$%#3!:+8#9!%&!+$$#*C$%&'!$4!*+&+'#!2+$#,!b)+B%$-!4&!+!2+$#,3J#9!V+3%3.!FB$J4)'J!2+$#,3J#9PV+3#9!CB+&&%&'!%3!,#84'&%`#9!+3!+!38%#&$%:%8+BB-!34)&9!+CC,4+8JT!$J#!,#+B%$-!%3!84*CB%8+$#9!V-!$J#!*+&-!C4B%$%8+B!+&9!]),%39%8$%4&+B!#&$%$%#3!2J%8J!84&$,4B!9%::#,#&$!3#8$4,3!4:!$J#!2+$#,3J#9.!IJ#!;#+,!N%1#,^@)$B#,!N#3#,14%,!F91%34,-!@4**%$$##!Y;N@NF@Z!2+3!:4,*#9!%&!>MM=!+&9!V,4)'J$!$4'#$J#,!+BB!$J#!3$+<#J4B9#,3!$4!9#1%3#!+!3$,+$#'-!$4!,#3$4,#!2+$#,!b)+B%$-!%&!$J#!V+3%&.!G&!U#V,)+,-!>M5M!+!7J+3#9!I"AE!2+3!3)V*%$$#9!+&9!+CC,41#9!V-!K7F.!IJ#!9%::%8)B$%#3!+&9!9#8%3%4&3!,#+8J#9!%&!+&!#::4,$!$4!*+<#!C,4',#33!2%BB!V#!C,#3#&$#9.!IJ#!C,#3#&$+$%4&!+B34!9%38)33#3!+&!+9+C$%1#!*+&+'#*#&$!3$,+$#'-!+&9!*4&%$4,%&'!CB+&T!9#3%'&#9!$4!b)+&$%:-!$J#!B%&<+'#!V#$2##&!&)$,%#&$3!+&9!9%334B1#9!4L-'#&!:4,!$J#!@)$B#,!N#3#,14%,!84*CB#L.!

IJ#!;#+,!N%1#,!^!@)$B#,!N#3#,14%,!I"AE!948)*#&$!8+&!V#!1%#2#9!2%$J!+BB!+CC#&9%8#3!+$\!J$$C\^^222.2+$#,b)+B%$-.)$+J.'41^I"AE^%&9#L.J$*s+CC,41#9!!

Convergence of the Clean Water Act and a Federal Civil Works Project – the Central and South Florida Project Canals Kevin Carter, Lead Scientist–TMDL/Numeric Nutrient Criteria Coordinator

South Florida Water Management District 3301 Gun Club Road, West Palm Beach, FL 33406


IJ%3!C,#3#&$+$%4&!2%BB!9#38,%V#!$J#!84&1#,'#&8#!4:!$J#!U#9#,+B!@B#+&!S+$#,!F8$’3!Y@SFZ!'4+B3!2%$J!$J#!C,%*+,-!'4+B3!4:!4&#!4:!$J#!84)&$,-’3!B+,'#3$!U#9#,+B!8%1%B!C,4]#8$3!6!$J#!@#&$,+B!+&9!(4)$J#,&!UB4,%9+!Y@t(UZ!7,4]#8$.!IJ#!@t(U!7,4]#8$!2+3!+94C$#9!V-!$J#!X.(.!@4&',#33!%&!5R=H!+&9!$J#!X.(.!F,*-!@4,C3!4:!K&'%&##,3!Y$J#!@4,C3Z!V)%B$!$J#!*+33%1#!:B449!84&$,4B!CB)*V%&'!3-3$#*!3$,#$8J%&'!:,4*!])3$!34)$J!4:!0,B+&94!$4!UB4,%9+!;+-.!@),,#&$B-T!41#,!5TDMM!*%B#3!4:!8+&+B3!+,#!+,$%:%8%+BB-!4C#,+$#9!V-!$J#!@t(U’3!3$+$#!3C4&34,T!$J#!(4)$J!UB4,%9+!S+$#,!"+&+'#*#&$!A%3$,%8$T!+&9!$J#!@4,C3.!IJ#!@t(U!8+&+Bs’!C,%*+,-!)3#3!+,#!$4!C,41%9#!:B449!C,4$#8$%4&!+&9!2+$#,!3)CCB-!:4,!41#,!3#1#&!*%BB%4&!C#4CB#!+&9!$J#!&+$),+B!#&1%,4&*#&$.!IJ#3#!+,$%:%8%+BB-!*+&+'#9!8+&+B3!+,#!+B34!J#B9!$4!$J#!3+*#!@SF!'4+B!4:!fC,4$#8$%4&!+&9!C,4C+'+$%4&!4:!:%3JT!3J#BB:%3JT!+&9!2%B9B%:#!+&9!,#8,#+$%4&g!3%*%B+,!$4!&+$),+B!3-3$#*3!%&8B)9%&'!F*#,%8+’3!K1#,'B+9#3.!IJ)3T!3$+<#J4B9#,3!+,#!:+8%&'!84*CB#L!9#8%3%4&3!4&!J42!$J#!8+&+B3!:%$!2%$J%&!$J#!@SF!+&9!8+&!3$%BB!*##$!$J#%,!4,%'%&+B!%&$#&$.!F!8+3#!3$)9-T!$J#!e%BB3V4,4!@+&+BT!2%BB!V#!C,#3#&$#9!$4!')%9#!$J#!+)9%#&8#!$J,4)'J!$J#!#14B)$%4&!4:!$J#!@SF’3!I"AE!C,48#33!%&!UB4,%9+.!(%&8#!5RRRT!$J#!/M/Y9Z!B%3$%&'!+&9!I"AE!9#1#B4C*#&$!C,48#33!J+3!#14B1#9!9)#T!%&!C+,$T!$4!+!:#9#,+B!84&3#&$!9#8,##!+&9!$J#!3$+$e’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

http://www.waterquality.utah.gov/TMDL/index.htm#approved


A:"

Concurrent Session 2B – TMDL Implementation

Addressing Uncertainty in TMDL Implementation Tom Davenport

US EPA Region 5 77 W Jackson Boulevard, MC: WW‐16J, Chicago, IL 60604‐3507


IJ#!X&%$#9!($+$#3!K&1%,4&*#&$+B!7,4$#8$%4&!F'#&8-!YX(K7FZ!%3!C,4*4$%&'!$J,4)'J!,#')B+$%4&!+&9!')%9+&8#!+!2+$#,3J#9!+CC,4+8J!:4,!&4$!4&B-!+99,#33%&'!2+$#,!b)+B%$-!%*C+%,*#&$3T!V)$!+B34!:4,!C,4$#8$%4&!4:!J%'J!b)+B%$-!2+$#,!,#34),8#3.!IJ#!2+$#,3J#9!+CC,4+8J!9%38)33#9!%&!$J%3!C+C#,!%3!B%*%$#9!$4!$J#!9#1#B4C*#&$!+&9!%*CB#*#&$+$%4&!4:!&)$,%#&$!I4$+B!"+L%*)*!A+%B- Load’3!YI"AEZ!E4+9!FBB48+$%4&3.!IJ,##!*+]4,!B%*%$+$%4&3!+3348%+$#9!2%$J!)3%&'!$J#!2+$#,3J#9!+CC,4+8J!$4!+99,#33!&)$,%#&$!I"AE!?4&C4%&$!(4),8#!Y?7(Z!B4+9%&'!,#9)8$%4&3!+,#!$J#!+1+%B+V%B%$-!4:!3)%$+VB#!2+$#,!b)+B%$-!9+$+T!$J#!,#B%+&8#!4&!*49#B3!+&9!$J#!+V%B%$-!$4!+88),+$#B-!$,+8<!%*CB#*#&$+$%4&.!IJ#!B%*%$+$%4&!+3348%+$#9!2%$J!3)%$+VB#!2+$#,!b)+B%$-!9+$+!%3!'41#,&#9!V-!V4$J!$J#!14B)*#!4:!9+$+!+1+%B+VB#!+&9!%$3!b)+B%$-.!F99,#33%&'!V4$J!$J#!84*CB#L%$-!4:!?7(!B4+9!+33#33*#&$!Y14B)*#T!$%*%&'T!34),8#T!:4,*Z!+&9!B%&<+'#!4:!B4+9!+33#33*#&$!$4!4V3#,1#9!2+$#,!b)+B%$-!84&9%$%4&3!,#b)%,#3!84BB#8$%4&!4:!,4V)3$!9+$+3#$3T!+&9!$J#!:+%B),#!$4!94!34!8,#+$#3!)&8#,$+%&$-!%&!2+$#,3J#9!B#1#B!9#8%3%4&!*+<%&'.!G$!%3!2#BB!<&42&!$J+$!4),!%&+V%B%$-!$4!+9#b)+$#B-!+884)&$!Y*#+3),#^#3$%*+$#Z!:4,!$J#!1+,%4)3!84*C4&#&$3!4:!?7(!B4+9%&'!+$!+!C+,$%8)B+,!C4%&$!%&!$%*#!+&9!B48+$%4&!%3!+!,#3)B$!4:!&+$),+B!3-3$#*!1+,%+V%B%$-!+&9!3+*CB%&'!#,,4,!%&14B1#9!%&!$J#!84BB#8$%4&!4:!2+$#,!b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b)+B%$-!84&9%$%4&3!,#b)%,#3!)$%B%`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

!

Development of a Water Quality Trading Framework in Wisconsin for Phosphorus Kevin Kirsch, PE

Wisconsin Department of Natural Resources 101 S Webster Street, MC: WT/3, Madison, WI 53703


G&!S%384&3%&T!*+&-!4:!$J#!%*C+%,#9!2+$#,3!B%3$#9!:4,!&)$,%#&$3!+,#!VB#&9#9!2+$#,3!2%$J!CJ43CJ4,)3!B4+93!84*%&'!:,4*!V4$J!C4%&$!+&9!&4&C4%&$!34),8#3.!0:$#&!$J#!C4%&$!34),8#!84&$,%V)$%4&3!*+-!4&B-!+884)&$!:4,!+!:,+8$%4&!4:!$J#!$4$+B!B4+9%&'.!U4,!#L+*CB#T!%&!$J#!N48<!N%1#,!I"AET!+&+B-3%3!2+3!84&9)8$#9!$+<%&'!$J#!


AI""

SEF!u!M!+&9!2+$#,!b)+B%$-!3$+&9+,93!2#,#!&4$!*#$!%&!$J#!,#8#%1%&'!2+$#,3.!I4!+99,#33!$J#!%*C+%,*#&$3!&4&C4%&$!C4BB)$%4&!,#9)8$%4&3!+,#!&##9#9.!!

S+$#,!b)+B%$-!$,+9%&'!8+&!C,41%9#!+!843$P#::#8$%1#!+&9!#&1%,4&*#&$+BB-!34)&9!B48+B!34B)$%4&!$4!%*C,41%&'!2+$#,!b)+B%$-.!K84&4*%8!V#&#:%$3!%&8B)9#!+BB42%&'!9%38J+,'#,3!$4!$+<#!+91+&$+'#!4:!#84&4*%#3!4:!38+B#!+&9!$,#+$*#&$!#::%8%#&8%#3!$J+$!1+,-!V-!34),8#!+&9!38+B#.!K&1%,4&*#&$+B!V#&#:%$3!%&8B)9#!+8J%#1%&'!2+$#,!b)+B%$-!4V]#8$%1#3!*4,#!b)%8<B-T!#&84),+'%&'!84BB+V4,+$%4&!4:!V4$J!C4%&$!+&9!&4&C4%&$!34),8#3!%&!+99,#33%&'!2+$#,!b)+B%$-!84&8#,&3T!+&9!C,41%9%&'!84BB+$#,+B!V#&#:%$3!3)8J!+3!%*C,41#9!J+V%$+$!+&9!#843-3$#*!C,4$#8$%4&.!U,4*!+!348%+B!3$+&9C4%&$T!$,+9%&'!J#BC3!:43$#,!9%+B4'!+$!$J#!2+$#,3J#9!38+B#!+&9!J#BC3!8,#+$#!%&8#&$%1#3!:4,!2+$#,!b)+B%$-!%*C,41#*#&$.!

!

3&B#%'!XM!UY&$&(B!$%5K&(B!2%.B%5D0!%'S&'>'K!46!-&0O.(0&(M!


A;"

Grand Lake St. Mary’s Lake Restoration Russ Gibson Tom Davenport

Ohio Environmental Protection Agency US EPA Region 5 50 West Town Street, Suite 700, Columbus, OH 43215 77 W Jackson Boulevard, MC: WW‐16J, Chicago, IL

60604‐3507

614‐644‐2020; [email protected] 312‐886‐0209; [email protected]

d,+&9!E+<#!($!"+,-3T!%&!2#3$P8#&$,+B!0J%4T!%3!0J%o’3!B+,'#3$!%&B+&9!B+<#!488)C-%&'!+CC,4L%*+$#B-!>5!3b)+,#!*%B#3.!E48+$#9!%&!"#,8#,!+&9!F)'B+%`#!@4)&$%#3!%$!2+3!84&3$,)8$#9!%&!5H/O!+3!+!:##9#,!B+<#!$4!$J#!"%+*%!+&9!0J%4!@+&+B.!IJ#!B+<#!%3!&42!J4*#!$4!+!3$+$#!C+,<!+&9!3#,1#3!+3!$J#!C)VB%8!9,%&<%&'!2+$#,!3)CCB-!:4,!$J#!8%$-!4:!@#B%&+.!IJ#!B+<#!%3!3J+BB42!+&9!J+3!+!9,+%&+'#!+,#+!4:!/5>!3b)+,#!*%B#3.!IJ#!B+&9!)3#!%&!$J#!2+$#,3J#9!%3!C,#94*%&+$#B-!+',%8)B$),#!2%$J!41#,!$24P$J%,93!4:!$J#!:+,*3!J+1%&'!B%1#3$48<!4C#,+$%4&3.!IJ#!2+$#,3J#9!J+3!$J#!J%'J#3$!9#&3%$-!4:!B%1#3$48<!C#,!+8,#!%&!0J%4!2%$J!*4,#!$J+&!/.W!*%BB%4&!B+-%&'!J#&3T!5DWTMMM!$),<#-3T!HMTMMM!J4'3T!HTDMM!9+%,-!8423!+&9!55TMMM!V##:!8+$$B#.!A48)*#&$#9!34),8#3!4:!2+$#,!b)+B%$-!%*C+%,*#&$3!2%$J%&!$J#!3%L!C,%*+,-!$,%V)$+,%#3!#&$#,%&'!$J#!B+<#T!%&8B)9#!J-9,4*49%:%8+$%4&T!#B%*%&+$%4&!4:!,%C+,%+&!1#'#$+$%4&T!3#9%*#&$!+&9!&)$,%#&$!B4+9%&'!:,4*!+',%8)B$),#.!F$!:%1#!$%*#3!$J#!B#1#B!+3348%+$#9!2%$J!+3!J-C#,#)$,4CJ%8T!%&!B+<#!84&8#&$,+$%4&3!%&9%8+$#9!$J#!B+<#!%3!#L$,#*#B-!J-C#,#)$,4JC%8T!S+$#,!b)+B%$-!84&$%&)#3!$4!9#8B%&#T!$J#,#!J+1#!V##&!8-+&4V+8$#,%+!Y$4L%8!VB)#P',##&Z!VB44*3!41#,!$J#!C+3$!$24!-#+,3.!N#8,#+$%4&+B!+&9!:%3J!+91%34,%#3!J+1#!V##&!%33)#9!:4,!$J#!B+<#.!F!&)*V#,!4:!4$J#,!+B'+#!$4L%&3!J+1#!V##&!,#C4,$#9!%&8B)9%&'!*%8,48-3$%&T!+&+$4L%&T!3+L%$4L%&!+&9!8-B%&94,3C#,*43C%&.!S%$J!X(K7F’3!+33%3$+&8#T!0K7F!%3!41#,3##%&'!$J#!9#1#B4C*#&$!+&9!%*CB#*#&$+$%4&!4:!+!E+<#!"+&+'#*#&$!+&9!S+$#,3J#9!G*CB#*#&$+$%4&!7B+&!:4,!$J#!d,+&9!E+<#^($.!"+,-’3.!

IJ#!2+$#,3J#9!*+&+'#*#&$!C4,$%4&!4:!$J#!CB+&!%3!V#%&'!V)%B$!4::!$J#!:4)&9+$%4&!C,41%9#9!V-!#L%3$%&'!F8$%4&!7B+&!+&9!;#+1#,!@,##<!I"AE!IJ#!%&$#',+$#9!2+$#,3J#9!*+&+'#*#&$!CB+&!2%BB!)C9+$#!$J#!C,4C43#9!%*CB#*#&$+$%4&!+8$%4&3!%&!$J#!#L%3$%&'!948)*#&$3!V+3#9!)C4&!C,4',#33!$4!9+$#T!&#2!%&:4,*+$%4&!+&9!#LC+&3%4&!4:!$J#!#::4,$!$4!%&8B)9#!C,#1%4)3B-!&4$!9,+%&+'#!+,#+3!+&9!%&8B)9#!$,%V)$+,-!$,#+$*#&$!3-3$#*3!%&8B)9%&'!$,#+$*#&$!$,+%&3!+&9!%&P3$,#+*!+B)*!943#,!9#*4&3$,+$%4&!C,4]#8$3c.!IJ#!&#2!CB+&!2%BB!4)$B%&#!+8$%4&3!&##9#9!:4,!%*C,41%&'!2+$#,!b)+B%$-!2%$J%&!d,+&9!E+<#!($!"+,-3!+3!2#BB!+3!S+V+3J!N%1#,.!!

IJ#!4$J#,!*+]4,!:48)3!%3!4&!B+<#!*+&+'#*#&$!C,+8$%8#3!+&9!*#$J493!$J+$!%:!%*CB#*#&$#9!2%BB!%*C,41#!2+$#,!b)+B%$-!84&9%$%4&3!+&9!C4$#&$%+BB-!,#9)8#!488),,#&8#3!4:!,#8,#+$%4&+B!+91%34,%#3!:4,!3<%&!84&$+8$!9)#!$4!VB)#P',##&!+B'+#!,#B+$#9!*-8,48-3$%&!%&!+&9!+,4)&9!C)VB%8!,#8,#+$%4&+B!+,#+3!4:!$J#!B+<#.!F$!+!*%&%*)*T!$J#!B+<#!*+&+'#*#&$!C4,$%4&!2%BB!%&8B)9#!+!84*V%&+$%4&!4:!C,+8$%8#3!3)8J!+3\!3J4,#B%&#!3$+V%B%`+$%4&c!8J+&&#B!+#,+$%4&!+&9^4,!8%,8)B+$%4&c!+B)*!$,#+$*#&$!C,4]#8$3T!34B+,PC42#,#9!8%,8)B+$4,3!%&!+&9!+,4)&9!V#+8J!+&9!*+,%&+!4,!V4+$PB+)&8J%&'!+,#+3c!+&9!B+<#!*+&+'#*#&$!#9)8+$%4&!+&9!4)$,#+8J!+8$%1%$%#3.!IJ#!9)+B!$,+8<#9!CB+&!2%BB!B#+9!$4!+$$+%&*#&$!4:!2+$#,!b)+B%$-!3$+&9+,93!4&8#!:)BB-!%*CB#*#&$#9.!!


AJ""

Implementation Session

Point Source Reduction Strategies Joh Kang

Tetra Tech 710 Avis Dr. , Ann Arbor, MI 48108 734‐665‐6000

F!<#-!b)#3$%4&!:+8#9!9),%&'!I"AE!9#1#B4C*#&$!%3!fe42!B42!8+&!$J#!&)$,%#&$!Y7!+&9!?Z!B%*%$3!V#!3#$!:4,!2+3$#2+$#,!:+8%B%$%#3vg!IJ%3!C,#3#&$+$%4&!2%BB!9%38)33!$J#!+1+%B+VB#!2+3$#2+$#,!YC4%&$!34),8#Z!&)$,%#&$!,#*41+B!$#8J&4B4'%#3T!$J#%,!,#B%+V%B%$-T!+&9!$J#%,!#LC#8$#9!&)$,%#&$!,#*41+B!8+C+8%$-.!KL+*CB#3!4:!2+3$#2+$#,!$,#+$*#&$!:+8%B%$%#3!$J+$!*##$!B42!&)$,%#&$!B%*%$3!%&!$J#!X&%$#9!($+$#3!2%BB!V#!C,41%9#9.!!IJ#!C,#3#&$+$%4&!2%BB!+B34!841#,!$J#!38%#&8#!4:!&%$,4'#&!+&9!CJ43CJ4,)3!,#*41+B!:,4*!2+3$#2+$#,!+&9!2%BB!84&8B)9#!2%$J!+&!+33#33*#&$!4:!:)$),#!$,#&93!%&!2+3$#2+$#,!&)$,%#&$!,#*41+B!$#8J&4B4'-.!!!!!! Implementation Strategies for Reducing Nonpoint Source Nutrient Impacts Russ Gibson, Nonpoint Source Program Manager

Ohio Environmental Protection Agency 50 West Town Street, Suite 700, Columbus, OH 43215 614‐644‐2020, [email protected]

N#9)8%&'!$J#!%*C+8$3!4:!&4&C4%&$!34),8#3!4:!&)$,%#&$3!%3!#L$,#*#B-!8J+BB#&'%&'T!-#$!8,%$%8+B!$4!%*C,41%&'!2+$#,!b)+B%$-!%&!,%1#,3T!3$,#+*3!+&9!B+<#3.!!G9#&$%:-%&'!8,%$%8+B!+,#+3!+&9!3#B#8$%&'!+CC,4C,%+$#!*+&+'#*#&$!+8$%4&3!+,#!+B2+-3!9%::%8)B$!-#$!#1#&!$J#3#!8J+BB#&'#3!+,#!4:$#&!92+,:#9!V-!$J#!9%::%8)B$-!4:!+8$)+BB-!%*CB#*#&$%&'!#::#8$%1#!+8$%4&3.!",.!d%V34&!2%BB!3J+,#!84&3%9#,+$%4&3!:4,!3)88#33:)B!%*CB#*#&$+$%4&!2%$J!+!:48)3!4&!$J43#!+8$%4&3!+&9!C,+8$%8#3!$J+$!#::#8$%1#B-!,#9)8#!$J#!%*C+8$3!4:!&)$,%#&$3!4&!3),:+8#!2+$#,!b)+B%$-.!!SJ#$J#,!%$!%3!,#9)8%&'!&)$,%#&$3!+$!$J#%,!34),8#!4,!%*C,41%&'!+!3$,#+*’3!8+C+8%$-!:4,!+33%*%B+$%&'!#L%3$%&'!&)$,%#&$!B4+93T!$J%3!C,#3#&$+$%4&!:#+$),#3!3C#8%:%8!#L+*CB#3!:,4*!0J%o’3!3)88#33:)B!(#8$%4&!/5R!+&9!(),:+8#!S+$#,!G*C,41#*#&$!U)&9!',+&$!C,4',+*3!$J+$!+,#!C,41%&'!#::#8$%1#!+$!+99,#33%&'!$J%3!8J+BB#&'%&'!C,4VB#*.!

(4),8#!,#9)8$%4&!*#+3),#3!:4,!&)$,%#&$3!2%BB!+B2+-3!V#!+!3$+CB#!%&!$J#!$44BV4L!)3#9!$4!%*C,41#!2+$#,!b)+B%$-!%&!,%1#,3!+&9!3$,#+*3.!!e42#1#,T!#*#,'%&'!C,+8$%8#3!3)8J!+3!&+$),+B!8J+&&#B!,#3$4,+$%4&!$4!,#3$4,#!3$,#+*!:)&8$%4&!+3!+!&)$,%#&$!,#9)8$%4&!$44B!+,#!#LJ%V%$%&'!C,4*%3#!%&!,#9)8%&'!$J#!%&:B)#&8#!4:!&)$,%#&$3.!!d,##&!3$4,*2+$#,!C,+8$%8#3!3)8J!+3!,+%&!'+,9#&3T!',##&!,44:3!+&9!C#,1%4)3!C+1#*#&$!+,#!+B34!3J42%&'!84&3%9#,+VB#!C,4*%3#!+3!B48+B!*)&%8%C+B%$%#3!+&9!),V+&!B+&942&#,3!V#'%&!$4!,#9#1#B4C!+,#+3!+&9!,#$,4:%$!4)$9+$#9!3$4,*2+$#,!*+&+'#*#&$!C,+8$%8#3.!!IJ%3!C,#3#&$+$%4&!J%'JB%'J$3!3#1#,+B!4:!$J#!$44B3!$J+$!+,#!:+3$!V#84*%&'!+1+%B+VB#!$4!2+$#,3J#9!844,9%&+$4,3!+&9!4$J#,3!:4,!,#9)8%&'!&)$,%#&$!%*C+8$3.!

!

!

!

!

!


A<"

eRAMS – A Tool to Integrate Point and Nonpoint Source Reduction Strategies !Dr. Mazdak Arabi

Colorado State University Colorado State University, A207F, Fort Collins, CO 80523


!IJ#!#&1%,4&*#&$+B!N%3<!F33#33*#&$!+&9!"+&+'#*#&$!(-3$#*!Y#NF"(Z$#8J&4B4'-!%3!+!84*C,#J#&3%1#!3)CC4,$!3-3$#*!$J+$!#&J+&8#3!9#8%3%4&!*+<#,s’!8+C+8%$-!$4!$+,'#$!84&3#,1+$%4&!C,+8$%8#3!:4,!3#9%*#&$T!&)$,%#&$!+&9!C#3$%8%9#!84&$,4B.!IJ#!$44B!8+&!%&84,C4,+$#!#84&4*%8T!#&1%,4&*#&$+B!+&9!*+&+'#*#&$!8,%$#,%+!%&!$J#!9#8%3%4&!*+<%&'!C,48#33!+$!$J#!2+$#,3J#9!38+B#.!#NF"(!C,41%9#3!+!2#VPV+3#9!C+,$%8%C+$4,-!dG(!CB+$:4,*!+&9!,#b)%,#3!&4!34:$2+,#!%&3$+BB+$%4&!V-!$J#!#&9!)3#,3.!X3#,3!8+&!+88#33!+BB!84*C4&#&$3!4:!$J#!CB+$:4,*!4&B%&#!+$!222.#,+*3%&:4.84*.!!IJ#!$44B!24,<3!+8,433!3C+$%+B!38+B#3!:,4*!:+,*B+&9!$4!2+$#,3J#93!+&9!9+%B-!4,!B+,'#,!$%*#!3$#C3!Y#.'.T!*4&$JB-T!3#+34&+BT!4,!+&&)+BZ.!IJ#!$44B!%3!:)BB-!84*C+$%VB#!2%$J!4$J#,!84**4&B-!)3#9!9+$+V+3#3^dG(!$#8J&4B4'%#3T!+&9!$J)3T!$+<#3!+91+&$+'#!4:!,#+9%B-!+1+%B+VB#!9+$+.!(%&8#!$J#3#!8+C+8%$%#3!+,#!%*CB#*#&$#9!+&9!*+%&$+%&#9!4&!$J#!J43$!3#,1#,T!)3#,3!2%BB!&4$!V#!,#b)%,#9!$4!*+3$#,!$J#!84*CB%8+$#9!)&9#,B-%&'!+B'4,%$J*3.!XB$%*+$#B-T!2+$#,3J#9!3$+<#J4B9#,3!+8,433!$J#!X.(.!2%BB!V#!+VB#!$4!)3#!$J%3!$+,'#$%&'!$44B!:4,!84&3#,1+$%4&!CB+&&%&'!+&9!%*CB#*#&$+$%4&!4:!2+$#,3J#9!CB+&3.! !

http://www.eramsinfo.com/


A?""

MultiJurisdictional Efforts

Update from the Gulf of Mexico Alliance and the Mississippi River/Gulf of Mexico Nutrient Task Force Kim Caviness

Mississippi Department of Environmental Quality 515 E. Amite Street, Jackson, MS 39042 601‐961‐5390, [email protected]

The Gulf of M exico A lliance.!G&!>MMDT!$J#!'41#,&4,3!4:!$J#!:%1#!d)B:!3$+$#3!YFB+V+*+T!UB4,%9+T!E4)%3%+&+T!"%33%33%CC%T!+&9!I#L+3Z!#3$+VB%3J#9!$J#!d)B:!4:!"#L%84!FBB%+&8#.!!G&!"+,8J!>MMDT!$J#!d)B:!4:!"#L%84!FBB%+&8#!Yd0"FZT!,#B#+3#9!$J#!B.C+)%.),D';1&*.%'"#$%'-.)'E+$#&0F'$%5'G+,*#*+%&'<.$,&,.!!F!3)88##9%&'!:%1#P-#+,!B.C+)%.)D,';1&*.%'"#$%'HH!2+3!,#B#+3#9!%&!Q)&#!>MMR.!!IJ#!FBB%+&8#!%3!4,'+&%`#9!%&$4!3%L!7,%4,%$-!G33)#!I#+*3\!!@4+3$+B!@4**)&%$-!N#3%B%#&8#c!K843-3$#*!G&$#',+$%4&!+&9!F33#33*#&$c!K&1%,4&*#&$+B!K9)8+$%4&c!e+V%$+$!@4&3#,1+$%4&!+&9!N#3$4,+$%4&c!N#9)8%&'!?)$,%#&$3!+&9!?)$,%#&$!G*C+8$3c!+&9!S+$#,!h)+B%$-.!!!!F3!#LC,#33#9!%&!;1&*.%'"#$%'HHT!$J#!d)B:!FBB%+&8#!?)$,%#&$3!I#+*!%3!:48)3%&'!%$3!#::4,$3!%&!$J#!:4BB42%&'!:4),!+8$%4&!+,#+3\!!Y5Z!@J+,+8$#,%`%&'!?)$,%#&$3!+&9!$J#%,!G*C+8$3T!Y>Z!()CC4,$%&'!($+$#!A#1#B4C*#&$!4:!?)$,%#&$!@,%$#,%+T!Y/Z!N#9)8%&'!e-C4L%+T!+&9!Y=Z!G*CB#*#&$%&'!?)$,%#&$!N#9)8$%4&!F8$%1%$%#3.!!!!The M ississippi River/Gulf of M exico Nutrient Task Force.!!!G&!Q)&#!>MMHT!$J#!"%33%33%CC%!N%1#,^d)B:!4:!"#L%84!?)$,%#&$!I+3<!U4,8#!,#B#+3#9!$J#!B(#-'EF3.I*$';1&*.%'"#$%'-.)'G+5(1*%JK':*&*J$&*%JK'$%5'<.%&).##*%J'EF3.I*$'*%'&0+'9.)&0+)%'B(#-'.-':+I*1.'$%5'H/3).C*%J'L$&+)'M($#*&F'*%'&0+':*,,*,,*33*'G*C+)'N$,*%'=>>O.!!IJ#!I+3<!U4,8#T!8),,#&$B-!84PB#9!V-!$J#!X.(.!K&1%,4&*#&$+B!7,4$#8$%4&!F'#&8-!YX(K7FZ!+&9!$J#!"%33%33%CC%!A#C+,$*#&$!4:!K&1%,4&*#&$+B!h)+B%$-!Y"AKhZT!84&3%3$3!4:!3$+$#!#&1%,4&*#&$+B!+&9!+',%8)B$),+B^84&3#,1+$%4&!+'#&8%#3!2%$J%&!$J#!"%33%33%CC%^F$8J+:+B+-+!N%1#,!;+3%&!Y"FN;Z!+3!2#BB!+3!:#9#,+B!+'#&8%#3!2J43#!*%33%4&3!9#+B!2%$J!+',%8)B$),+BT!84&3#,1+$%4&T!+&9!2+$#,!b)+B%$-P,#B+$#9!%33)#3.!!F!<#-!84*C4&#&$!4:!$J#!B(#-'EF3.I*$';1&*.%'"#$%'8BE;"@!8+BB3!:4,!$J#!9#1#B4C*#&$!4:!3$+$#!&)$,%#&$!,#9)8$%4&!3$,+$#'%#3!:4,!$J43#!3$+$#3!2%$J!3%'&%:%8+&$!84&$,%V)$%4&3!4:!&%$,4'#&!+&9!CJ43CJ4,)3!$4!$J#!d)B:.!!!!!

Multi‐Jurisdictional TMDLs – Chesapeake Bay and Others An update on the effort to develop a National Policy Memorandum Mike Haire Office of Water, US EPA Headquarters 1200 Pennsylvania Ave. NW, Washington, DC 20004

[email protected]

IJ#!C),C43#!+&9!C,4',#33!4:!9#1#B4C%&'!+!?+$%4&+B!74B%8-!"#*4,+&9)*!,#B+$#9!$4!9#1#B4C*#&$!4:!*)B$%P]),%39%8$%4&+B!I"AE3!Y"QI"AE3Z!%3!C,#3#&$#9.!IJ#!C),C43#!4:!$J#!*#*4,+&9)*!%3!$4!C,41%9#!I"AE!C,+8$%$%4&#,3!2%$J!,#84**#&9+$%4&3!4&!*+<%&'!+33)*C$%4&3!+V4)$!C4BB)$+&$!B4+9%&'3!+$!]),%39%8$%4&+B!V4)&9+,%#3T!9#1#B4C%&'!"QI"AE3!$J+$!*)3$!84&3%9#,!1+,-%&'!2+$#,!b)+B%$-!3$+&9+,93c!9#$#,*%&%&'!$J#!B#'+B!+&9!'#4',+CJ%8+B!B%*%$3!:4,!$J#!+33%'&*#&$!4:!S+3$#B4+9!FBB48+$%4&3!YSEF3Zc!9#:%&%&'!$J#!#LC#8$+$%4&3!:4,!%&84,C4,+$%&'!N#+34&+VB#!F33),+&8#!YNFZ!%&$4!$J#!:%&+B!I"AEc!844,9%&+$%&'!I"AE!38J#9)B#3!+&9!%*CB#*#&$+$%4&!'4+B3!+8,433!*)B$%CB#!]),%39%8$%4&3T!+&9!844,9%&+$%&'!$J#!4)$,#+8J!+&9!C)VB%8!,#1%#2!C,48#33.!IJ%3!C,#3#&$+$%4&!%&8B)9#3!9#:%&%$%4&T!B#'+B!V+3%3T!+&9!8J+BB#&'#3!+3348%+$#9!2%$J!"QI"AE3.!N#84**#&9#9!X.(.!K7F!+CC,4+8J#3!$4!*)B$%P]),%39%8$%4&+B!I"AE3!+&9!$J#!@J#3+C#+<#!;+-!I"AE!+,#!C,#3#&$#9.!!!


GB"

Closing Remarks

John Goodin

Chief, Watershed Branch Office of Water, US EPA Headquarters 1200 Pennsylvania Ave. NW, Washington, DC 20004 [email protected]

@B43%&'!,#*+,<3!%&8B)9#9!$J#!:4BB42%&'!4V3#,1+$%4&3!+&9!$J#*#3\!

5." IJ#,#!+,#!&)*#,4)3!8J+BB#&'%&'!%33)#3!,#B+$#9!$4!&)$,%#&$!%*C+%,*#&$3!%&!$J#!+b)+$%8!#&1%,4&*#&$.!!

>." IJ#,#!+,#!+!1+,%#$-!4:!+CC,4+8J#3!$J+$!3$+$#3!+&9!4$J#,3!+,#!)3%&'!$4!8J+,+8$#,%`#!&)$,%#&$!%*C+%,*#&$3!+&9!9#1#B4C!I"AE3.!

/." IJ#,#!+,#!B%<#B-!*+&-!%*C+%,*#&$3!$J+$!+,#!&4$!V#%&'!%9#&$%:%#9!9)#!$4!$J#!$-C#!4:!+33#33*#&$!*#$J493!V#%&'!)3#9.!

=." G*CB#*#&$+$%4&!4:!&)$,%#&$!I"AE3!%3!4&'4%&'!+&9!2#!+,#!3##%&'!3)88#33#3.!G$!%3!%*C4,$+&$!$4!<##C!+&!4C#&!*%&9!+&9!)&9#,3$+&9!$J+$!$J#!843$!4:!9#B+-!4,!4:!%&+8$%4&!8+&!V#!3%'&%:%8+&$.!

W." IJ#,#!+,#!+!1+,%#$-!4:!%&$+&'%VB#3!$J+$!+,#!%*C4,$+&$!2J#&!)3%&'!@SF!$44B3!$4!+99,#33!&)$,%#&$3\!+." X&8#,$+%&$-!V." G*CB#*#&$+$%4&!%33)#3!Y&##93!V#-4&9!$J#!@SFZ!8." E%*%$#9!,#')B+$4,-!+)$J4,%$-!9." E%*%$#9!V)9'#$3!

!D." IJ#,#!+,#!&#2!$44B3!$4!3)CC4,$!+99,#33%&'!&)$,%#&$!%*C+%,*#&$3.!I#8J&4B4'-!*%'J$!&4$!V#!$J#!

:%&+B!+&32#,!V)$!3##%&'!&#2!$44B3!+&9!&#2!$2%3$3!4&!4B9!$44B3!+,#!C,41%&'!)3#:)B.!!

!!

01.2! 3’4%#5%6!78!9!7:;!!?%@’5(0;!,a!nutrients and the clean water act 303(d) listing and tmdl...

Documents