publication no. 74-e14 · t4arch 25, 1974 publication no. 74-e14 wa-o1-1140!~4emo to: john glynn...
TRANSCRIPT
t4arch 25, 1974 Publication No. 74-e14
WA-O1-1 140
!~4emo to: John Glynn
From: Hans Cregg
Subject: Keyport Wastewater Treatment Plant Efficiency
Survey.
On January 15, 1974, an efficiency study was conducted on the
Keyport Wastewater Treatment Plant.
Heavy rainfall during the previous week made flow measurementimpractical. The Weir designed for this purpose was over-flowing; consequently the volumes of water handled were wellbeyond the intended capacity of the plant.
All reductions - BOD, COD and solids — were negative. It isfelt that this condition was precipitated by two factors:
1) the large volumes of water entering the plant (dueto infiltrating rainwater) dilute the actual sewageand are responsible for the lower than normal BaD,COD and solids values.
2) the aeration tank is being over—aerated and nitri—fication has taken place. The resulting pinpointsolids are carried in suspension to the receivingwaters. This condition gives rise to high effluentBOD, COD and solids values.
In addition, no chlorination of the effluent took place. Thechlorinator was in a state of disrepair and apparently hadbeen in this condition for a number of weeks. The resultinghigh coliform counLs bring this deplorable situation intosharp focus.
The operator indicated that he devotes between 1/2 and 1hour per day to the plant. It is felt that this amount oftime is inadequate if the plant is to be run in an efficientmanner.
HC: jmh
City Keyport
STF Sj~VPY REPO~r FOWl
(zFFIcIE~;cY STUDY)
Plant Type Primary Population DesignServed Capacity
Receiving Water Engineer__________________________________
<~:ej/l5/74 Survey Period 8 hours Survey Personnel H. Cregg
CCT?. Sampling Frequency Every 1/2 hr. Weather Conditions Heavy rain(last 48 hours)
Sar~.pling Alequot 1000 ml.
Total Flow
~frix. (Flow) Time of Max.
Pre C1, None #/day
PLANT OPERATION
Ho~i Measured Weir
?{in.
Post Cl None2
Time of ~‘..in.___________
£7/day
FIELD RESULTS
Max. Mm. MeanMedian
10.81 8.4 9.0 8.86.71 6.5 ——— 6.6
194f 200
5 5J
Max. i__Mm. Mean MedIan
9.0j 8.7 8.8 8.81——— 7.0
f35{ 10 1841 18025 1 30
LABORATORYRESULTS ON COMPOSITE IN PPM
Influent Effluent % Reduction
74—0110 74—0111 All reductions are
<40 93 negative, ie. the54 120 influent is of bettei~
169 240 quality than the87 108 I effluent.41 12011 41 —~
6.96.9190 170
I 30
Laboratory’ Number
- 5—Day BODCODT.S.I.:;. v.s.T.S.S.
V.S.S.pHConductivityTurbidity
In fluent
Tc~. CpHConductivity
(tz~hos 1cm)Settleable
Solids
Effluent
Page two
Keyport
~ACT~JOLC~ CAL RESL...TS
Na2S203 added to sample Before sampling after
Cl Residual
LAB # SAMPLING TIME ~3.~O~IESI~Z0 ~LS ~e2al ~ I T~RT~TY
74—0112 0900 >4_x_io~ 4800 0
0113 1 1230 >4 v i04 71;nn ~
011 1500 ¶ >4 x 10~ >4000
011 1630 >4 ,~ i04 ~tR400 ~
~erator’s Name_____________________________________ Phone d
Comments: k=03
O,-f,Q~
1~- ~2c~
mm.
STATE OF WASHINGTON
DEPARTMENT OF ECOLOGYWATERQUAL1T’~ LABORATORY
DATA SUNMARY
ORIGINAL TO:•~~• C#e~COPIES TO:
LAB FILES
Source KeVA.J~T S7~PDate Collected__________________
Loc Number: 1(4- ~II~
Collected By /4.d~ C.
Goal, Pro./Obj.
qTnpI~n’— - —. — —~— —;—.——=—-
ILk
I
IVO•Station: lft/F (FF O?Oo /53w
PH 00403
Turbidity (JTU) ±~z
/?O
1~±~(7o
00070
Conductivity (t~mhos/cm)@2~C 0009 5
COD SLI tao 00340
BOD (5 day) (4o ~?3 00310
Total Coliform (Col./lOOml) ~ eesi7S~c
)
)Voco
)~M~/~SY~
31504
Fecal Coliform (Col./lOOml)EST(jj’oQ 31616
N03-N (Filtered) 3.15 00620
N02-N (Filtered) 00615
NH3-N (Unfiltered) — 1.3 00610
T. Kjeldahl-N (Unfiltered) - 4.?. 00625
o-PO4-P (Filtered) — . 00671
Total Phos. -P (Unfiltered) — 00665
Total Solids /j~
~?
I
I
I~O
00500
Total Non Vol. Solids
Total Suspended Solids {[ii
00530
Total Sus. Non Vol. Solids qj
Note: All results are in PPM unless otnerwise specifj~ed. ND is “None Detected”Convert those marked with a * to PPB (PPM X 10 ) prior to entry into STORET
Summary BYJk . Date
M E M 0 R A N D U M
December 4. 1975
To: Larry Lewis
From: Allen Moore
Subject: Annapolis STP
On January 6 1975 an efficiency survey was conducted at the Annapolissewage treatment plant. The plant Is highly overloaded mostly duringthe wet season due to infiltration. The high overloading at the timeof the survey is directly reflected in the low reduction between In—fluent and effluent in all the pertinent parameters as shown in theattached STP Survey Report Form. The high fluctuations in pH areprobably due to effluents from a laundry and a car wash. I feel thatthe effluent is too highly chlorinated. The operator trys to maintainthe chlorine residual at 3 ppm. The flow was checked at the 900V-notch weir. The STP recorder showed 1.08 MGD and manual measurementshowed 1.01 MGD. The flow remained nearly constant probably due toeven, high infiltration. Historically, bypassing of the influentoccurred regularly with heavy rains. Recent installation of new pumpsnow runs all sewage through the STP.
AWM: ee
STP Survey Report Form
Efficiency Study
City Annapolis
Receiving Water______________________
Date 6 Jan. 75 Survey Period 1000
Coxnp. Sampling Frequency hourly
Weather Conditions (24 hr) .9 inch
pass of raw sewage? X Yes
Reason for bypass______
Was DO~ Notified?
Plant Type Spirociester Pop. Served ~ Design .5 MGDCapacity
Sinclair Inlet Perennial X Intermittent_______________
- 1600 Survey Personnel Allen Moore~Jt~GD
______________ Sampling Alequot 1000 ml X ~a~.floi4 (MGD
)
rain Are facilities provided for complete by—
_____ _____No/Frequency of bypass 0
______ _______________ Is bypass chlorinated? ____Yes X No
________ Discharge - Intermittent________ Continuous_X
Plant Operation
i~otal flow
Ilaximum flow
~4inimuxn flow
Pre Cl~-,
270,000 gal.
15
How measured 900 V-notch weir - tota~izer
Time of Max.___________________________
Time of Mm
.
*/day Post Cl~ 31 #/day
Field Results
Determinations
Temp 0CpH (Units)Conductivity(vr~hos/cm2)SettleableSolids (mis/i)
Laboratory No.
3—Day L()D opm?OD ppmP.S. ppmr.N.V.S. ppmL~.S.S. ppmI.V.S.S. ppm~L (Units)>nduc L~vity
(~nhos/r:.2)37urbici~v (JTU’ s)
Influent
MeanMax. Mm. Median
2
9. 6.7
800 450
5 2.5
Laboratory Results on Composites
Influent
75—0026
356209
69
Effluent
0027
Effluent
Max. Mm. Mean— —
iL9~
8.21 7.31
—~
500 .~ 450 1
ELI% Reduction
C6162320
50
LL.
Median
FiZ4LW
lbs/day
16
181T~
2896
STATE OF WASHINGTON
DEPARTMENT OF ECOLOGYWATER QUALITY LABORATORY
DATA SUMMARY
ORIGINAL TO:
COPIES TO:
LAB FILES
Source f~AJNAPOLtS STP
Date Collected ~
Lo~ Number: 7~. A~L. 27 Zg ~q
Collected By Awr’i
Goal, Pro./Obj.
~( 32 ~3 )L~ 2.r ST~A?1~T-——--
e”—
Station: IAJF eF-~ 1000
h
hOc)
i
i2..~O.. I’.(~O ~—~
la.o
~~
1v4cTI~oo
PH 00403
Turbidity (JTU) 58 ~f
450
00070
Conductivity (timhos/cm)@2~C Lj~0 00095
COD 19?. /L~2. 00340
BOD (5 day) 78. ~ 00310
Total Coliform (Col./lOOml) — <2o (iv <2~o ee~.dlL.
(=o (ic,~
31504
(Col.flOOml)Fecal Coliform .. — f~ =JQ... AJ&... ~57~ {L~ e~srf~ qqo 31616
N03-N (Filtered) 00620
N02-N (Filtered) = .05 00615
NH3-N (Unfiltered) ~- 00610
T. Kjeldahl-N (Unfiltered) ~.t 00625
0-P04-P (Filtered) = ~.2o 00671
Total Phos.-? (Unfiltered) £1.Zo 00665
Total Solids 3S~’ .32:Q..
197
00500
Total Non Vol. Solids ~.I
~4—
5
Total Suspended Solids 5o 00530
Total Sus. Non Vol. Solids 2..
Note: All results are in PPM unless otnerwise specif~ed. ND is “None Detectedt1
Convert those marked with a * to PPB (PPM X 10 ) prior to entry into STORET
Summary By /,ti14~ $.~2I~ Date___________
M E 9 0 R A N 0 U M
January 14, 1976
To: John Glynn
From: Allen Moore
Subject: Keyport STP Efficiency Survey
The Keyport STP received an efficiency survey on January 7, 1975.The plant was fairly well maintained. BOO reduction was fair. Theeffluent was too highly chlorinated with residuals between 2.0 and 3.0ppm. The field and lab data is summarized on the Data Summary sheetand the STP Survey Report Form.
AW~4 : ee
STP Survey Report Form
Efficiency Study
City K~yport Plant Type Secondary Pop. Served___________ Design_________Capacity
Receiving Water Liberty Bay Perennial X Intermittent______________
Date 7 Jan. 75 Survey Period 0900 - 1630 Survey Personnel__Allen Moore
Sampling Frequency Hourly Sampling Alequot Max. flowComp. _____________ flnw 1000 mlcold, no rain/snow
Weather Conditions (24 hr) until 1000 Are facilities provided for complete by-
pass of raw sewage? _____Yes X No/Frequency of bypass______________________
Reason for bypass______ _______________ Is bypass chlorinated? ____Yes No
Was DOE Notified?________ Discharge - Intermittent________ Continuous_________
Plant Operation
Total flow 15,750 In 7 hr.
Maximum flow .089 MGD
Minimum flow .025 MGD
Pre Cl.,A
1600
1100
or .054 MGD How measured 3am Parshall flume hand measure
Time of Max. _______________________________
Time of Mm
.
#/day Post Cl.-, 3.5 */day
Field Results
____Determinations
Temp 0CpH (Units)Conductivity(iimhos/cm2)SettleableSolids (mls/l)
Laboratory No.
5-Day BOD ppmCOD ppmT.S. ppmT.N.V.S. ppmT.S.S. ppmN.V.S.S. ppmpH (Units)Conductivity(iimhos/cm2)Turbidity (JTU’ s)
Influent
Max. Mm. Mean Median
7.0 6.7
450 275
Laboratory Results on Composites
Influent
78
~~.3.0~~~
270
Effluent
18
5
290
Effluent
Max. Mm. Mean— ~.
J~LO.
.....iLi. ~LL.
~ 350•
0.1
% Reduction
77
—U---.55
cc
Median
EL
STATE OF WASHINGTON
DEPARTMENT OF ECOLOGYWATERQUALITY LABORATORY
DATA SUMMARY
ORIGINAL TO:.4A*’~ FtofteCOPIES TO:
LAB FILES
Source &&f,Ow~T Srp
Date Collected I-~~-2=
Log Number: 7sS 00S? ~0 ~5-s- .5-c
Collected By ~
Goal, Pro.IObj.
r7 s-r s-~ ~. ‘I STORET
Station:
PH
Turbidity (JTU)
ConductLvlty (tImhos/cm)@2~C
COD
BOD (5 day)
Total Coliform (Col./lOOml)
Fecal Coliform (Col./lOOml)
N03-N (Filtered)
N02-N (Filtered)
NH3-N (Unfiltered)
T. Kjeldahl-N (Unfiltered)
O-PO4-p (Filtered)
)AJr— eu-
e~ ~.
og.o 1000
~ ijj~
jj~~ fl~ .L~ Huo ~
L
Lf9~.
C.~ ~‘i-$ 00403
?zS~. 10. 00070
~?o. ~.¶o. 00095
I~, 1
1~
00340
•Z~~ 00310
— (20&sr2~ (Zv (2o 20 (2.0 ao (j~
A12
31504
- (AC) (La ~jQ (‘.0 (~o =J..Q.( IC 31616
— •OZ 00620
— 0?. 00615
00610
00625
.
.~iQ
~
..L&.~L.
1~J
~j
— 00671
Total Phos. -P (Unfiltered) 00665
Total Solids ZL4S — — — 00500
Total Non Vol. Solids i~sL
~3
JQ
Total Suspended Solids 00530
Total Sus. Non Vol. Solids — — — —
Note: All results are in PPM unless otherwise specif~ed. ND is “None Detected”
Convert those marked with a * to PPB (PPM X 10 ) prior to entry into STORET
Summary By . Date
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St,
4-t,
(U
01
w0
,t,-u
su
s—
EC
DC
D
flu
sV
t,~‘4
C’)
N.
,-.-~
U)
U)
LdJI—
..——
——
——
——
41
Table 3. Summary of metals data collectedJuly 21, 1981.
by WD0E for Coal Creek point source survey,
StationNumber
Station CopperDescription (mg/L)
Zinc(mg/L)
Iron(mg/L)
Nickel(mg/L)
Chromium(mg/L)
Cadmium(mg/L)
Lead(mg/L)
Manganese(mg/L)
18 West Side Lagoon <.01 .01 .4 <.02 <.01 <.01 <.02 .19
STP Comp. Effluent
12 Coal Creek <.01 <.01 .2 <.02 <.01 <.01 <.02 <.05
13 Harmony Creek <.01 <.01 .6 <.02 <.01 <.01 <.02 <.05
14 Ditch #10 <.01 .01 3.0 <.02 <.01 <.01 <.02 1.2
15 Cut-off Slough <.01 .06 4.0 <.02 <.01 <.01 <.02 ..44
16 Ditch #6 <.01 .04 .9 <.02 <.01 <.01 <.02 .06
Criteria for protection offreshwater aquatic life1 (assuming50 mg/L hardness)
24-hour average .0056 .047 1.0(ref 2)
.056 .003 .00001 .0008 1.0(ref 3)
maximum allowable
November 28, 1980. VJater Quality Criteria Documents
Vol. 45 No. 23.Availability. Federal Register.
2EPA 1977. Quality Criteria for Water. 256 pp.
3Davies, P.H. and J.P. Goehle, 1977. Aquatic life - water quality recommendations for heavymetals and other inorganic toxicants in freshwaters. pages 8 - 36 in Water Pollution Studies.Colorado Div. Wildlife Fort Collins, CO 68 pp.
.012 .180 1.10 .021
References
.001 5 .074