scientific investigations map 3234 u.s. geological survey ... · kimberly r. beisner, david w....
TRANSCRIPT
Predicted nitrate concentration, milligrams per liter as nitrogen
Less than 0.50
0.50 to 0.99
1.0 to 1.9
2.0 to 4.9
5.0 to 9.9
Equal to or greater than 10
EXPLANATION
Nitrate Predictions
Observed nitrate concentration, milligrams per liter as nitrogenLess than 0.50
0.50 to 0.99
1.0 to 1.9
2.0 to 4.9
5.0 to 9.9
Equal to or greater than 10
EXPLANATION
Nitrate Training Observations
TrinityTrinity
RiverRiver
Eel RiverEel River
RussianRussian
RiverRiver
RiverRiver
Sacramento
Sacramento
Feath
er Ri
ver
Feath
er Ri
ver
NorthNorthYubaYuba River
River
American RiverAmerican River
RiverRiver
MokelumneMokelumne
RiverRiverAmericanAmerican
North
For
k
North
For
k
RiverRiverTuolumneTuolumne
MercedMerced
RiverRiver
RiverRiver
San JoaquinSan Joaquin
RiverRiver
Joaquin
Joaquin
SanSan
River
River
KingsKings
Salinas River
Salinas River
Kern River
Kern River
Quin
n Rive
r
Quin
n Rive
r
RiverRiver
Humboldt
Humboldt
Rees
e Riv
er
Rees
e Riv
er
Sevier R
iver
Sevier R
iver
Rive
rRi
ver
Bear
Bear
Jordan RiverJordan River
Mea
dow
Valle
y
Mea
dow
Valle
yWa
shWa
sh
White River
White River
Pahranagat Wash
Pahranagat Wash
Muddy
RiverM
uddy
River
Amaragosa
Amaragosa
RiverRiver
Verde River
Verde River
Salt RiverSalt River
Colorado
Colorado
RiverRiver
RiverRiverGilaGila
RiverRiverMojaveMojave
Rio GrandeRio Grande
ChamaChama
RioRio
PuercoPuerco
RioRio
Owens River
Owens River
GrandeGrande
RioRio
Great Salt Lake
WalkerLake
PyramidLake
Rye PatchReservoir
LakeTahoe
Walker
River
LakeMead
LakeMohave
ARIZONA NEW MEXICO
UTAH COLORADO
MEXICO
OREGON
CALIFORNIA
IDAHO
WYOMINGNEVADA
35°
40°
40°
124°
124°
117°
110°
RenoReno
SacramentoSacramento
SanFrancisco
SanFrancisco
StocktonStockton
ModestoModesto
San JoseSan Jose
FresnoFresno
BakersfieldBakersfield
Las VegasLas Vegas
Los AngelesLos Angeles
San DiegoSan DiegoYumaYuma
PhoenixPhoenix
TucsonTucson
El PasoEl Paso
FlagstaffFlagstaff
Santa FeSanta Fe
AlbuquerqueAlbuquerque
Salt Lake CitySalt Lake City
U.S. Geological Survey digital data, 1:2,000,000, 2,500,000, and 5,000,000 scale, 2003, 2005, and 2006National Elevation Data 1:24,000, 1999Albers Equal Area Conic Projection, central meridian -113, NAD 83
Pacific Ocean
LasCruces
LasCruces
Observed and predicted nitrate concentrations in basin-fill aquifers of the Southwest Principal Aquifers study areaBy
Kimberly R. Beisner, David W. Anning, Angela P. Paul, Tim S. McKinney, Jena M. Huntington, Laura M. Bexfield, and Susan A. Thiros2012
Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.
For sale by U.S. Geological Survey, Information Services, Box 25286, Federal Center, Denver, CO 80225, 1–888–ASK–USGS
Digital files available at http://pubs.usgs.gov/sim/3234/
Suggested citation: Beisner, K.R., Anning, D.W., Paul, A.P., McKinney, T.S., Huntington, J.M., Bexfield, L.M., and Thiros, S.A., 2012, Maps of estimated nitrate and arsenic concentrations in basin-fill aquifers of the southwestern United States: U.S. Geological Survey Scientific Investigations Map 3234, pamphlet 8 p., 2 sheets.Printed on recycled paper
0 50 100 150 200 KILOMETERS
NATIONAL GEODETIC VERTICAL DATUM OF 1929
ElkoElko
U.S. Department of the InteriorU.S. Geological Survey
National Water-Quality Assessment Program Scientific Investigations Map 3234Sheet 1 of 2
Southwest Principal Aquifer (SWPA) study-area boundary
117°
35°
110°
AlamosaAlamosa
Concentration data is from Anning and others, 2012 for an aquifer penetration depth of 200 feet. Systematic changes in predicted concentrations with aquifer penetration depth were not found in most areas
0 50 100 150 200 MILES
SmithRiverBasin
KlamathBasin
ScottRiverBasin
ShastaValley
Trinity-SalmonBasin
ShastaLake Area
Mad-Redwood
Basin
MattoleRiverBasin
LowerPit River
Basin
ButteCreekBasin
EelRiverBasin
NorthernCoastalBasins
UkiahValley
SacramentoValley
Upper CacheCreek Basin
Santa RosaValley
Upper PutahCreek Basin
NapaValleyBodega
Basin
PetalumaValley
SonomaValley Suisun-
FairfieldValley
SmithValley
MasonValley
CarsonValley
TahoeValley
SantaRosa
Valley
EagleValley
WashoeValley Dayton
Valley
ChurchillValley
TruckeeRiver Basin-
Tracy SegmentTruckee
RiverBasin-
Reno/SparksSegment
LemmonValley
SpanishSpringsValley
TruckeeRiver Basin-Dodge Flat
Lost RiverBasin
Upper PitRiver Basin
LakeAlmanorValley
IndianValley
UpperSusanRiver
and EagleLake
Valley
SierraValley
CarsonDesert
FernleyArea
WarmSpringsValley
LongValley
PyramidLake
Valley
HoneyLake
Valley
Willow Creekand Horse
Lake Valleys
SmokeCreekDesert
SanEmidioDesert Kumiva
Valley
WinnemuccaLake
Valley
GraniteSpringsValley
HumboldtRiverBasin-
LovelockSegment
Madeline Plains
Duck LakeValley Hualapi
Flat
BlackRockDesert
HumboldtRiver Basin-
Imlay Segment
GooseLake
Valley
SurpriseValley
LongValley
MassacreLake
Valley
SwanLake
Valley
High RockLake Valley
MudMeadow
CreekBasin
VirginValley
SummitLake
Valley
GridleyLake
Valley
ContinentalLake
Valley
PineForestValley
Kings Riverand Desert
Valleys
IoneValley
GabbsValley
East SodaSpringValley
WestSoda
SpringValley
WalkerLake
Valley
East WalkerRiver Basin
AntelopeValley
DixieValley
FairviewValley
StingareeValley
SmithCreekValley
EdwardsCreekValley
BuenaVista
Valley
Silver Stateand Quinn
River Valleys
GrassValley
PleasantValley
JerseyValley
Wah WahValley
SnakeValley
NorthSpringValley
TippettValley
Thou
sand
Spr
ings
Valle
y-To
ano a
nd
Rock
Spr
ing A
reas
Thou
sand
Spr
ings
Valle
y-Ro
cky
Butte
Are
a
GrouseCreekValley
East ParkValley
West ParkValley
PilotValleyPilot
CreekValley
ThousandSpringsValley-
Montelloand
CrittendenArea
Great SaltLake Desert
GoshuteValley
SinkValley
GreatSalt Lake
TooeleValleySkull
Valley
AntelopeValley
CacheValley
CurlewValley
Hanseland
NorthernRozel Flat
PocatelloandBlueCreek
ValleysLowerBearRiverBasin
EastShoreArea
Salt LakeValley
Utah Valley
CedarValley
RushValley
DugwayValley
DeepCreekValley
NorthernJuab
Valley
LeamingtonCanyon Area
Sevier Desert
FishSprings
Flat
TuleValley
PavantValley
CaveValley
WhiteRiverValley
NorthRailroadValley
SouthLittle
SmokyValley
North LittleSmokyValley
LittleFishLake
Valley
MonitorValley
Big SmokyValley-
Northernpart
UpperReeseRiverValley
AntelopeValley
KobehValley
GrassValley
CaricoLake
Valley
AntelopeValley
SteptoeValley
SouthButteValleyLong
Valley
JakesValley
NewarkValley
DiamondValley
PineValley
MiddleReeseRiverValley
HumboldtRiverBasin-
WinnemuccaSegment
BuffaloValley
HumboldtRiver
Basin-RedHouse
SegmentRockCreekValley
MaggieCreekBasin Susie
CreekArea
Humbo
ldt R
iver
Basin-E
lko an
d
Mary
s Cree
k Seg
ment
Dixie Creekand TenmileCreek Basin
SouthForkArea
LowerReeseRiverValley Crescent
Valley
Humboldt RiverBasin-BoulderFlat Segment
HuntingtonValley
RubyValley
NorthButteValley
CloverValley
Independence
Valley
HardscrabbleArea
LittleHumboldt
Valley
ParadiseValley
WillowCreekValley
North ForkHumboldt
River Basinand
LamoilleValley
UpperHumboldt
River Basin
Thousand SpringsValley-Herrell
Siding and BrushCreek Area
DetritalValley
LakeMohaveBasin
TruxtonWash
HualapaiBasin
LakeMeadBasin
Garnetand
HiddenValleys
CaliforniaWash
LowerMoapaValley
MuddyRiver
SpringsArea
LowerMeadowValleyWash
KaneSpringsValley
DelamarValley
CloverValley
PanacaValley
EscalanteDesertEagle-
Rose-DryValley
PattersonValley
SouthSpringValley
PineValley
LakeValley
Dry LakeValley
PahrocValley
CedarCity
Valley
MilfordArea
BeaverValley
ParowanValley
Las VegasValley
SacramentoValley
MohaveValley
South PiuteValley
NorthPiuteValley
Big SandyRiverBasin
BigChinoBasin
VerdeValley
San JoaquinValley
SouthTikapooValley
CoyoteSpringValley
PahranagatValleyNorth
TikapooValley
EmigrantValley
YuccaFlat
OasisValley
GoldFlat
CactusFlat
KawichValley
CoalValley
GardenValley
PenoyerValley
SouthRailroadValley
Hot CreekValley
StoneCabinValley
SalineValley
EurekaValley
DeepSpringsValley
NorthOwensValley
SarcobatusFlat
LidaValley
LongValley
Fish LakeValley
ClaytonValley Stonewall
Flat
RalstonValleyBig Smoky
Valley-Tonapah Flat
ColumbusSalt Marsh
Valley
AlkaliSpringValley
Adobe LakeValley
MonoValley
HuntoonValley
TeelsMarshValley
RhodesSalt Marsh
Valley
MonteCristoValley
GarfieldFlatBridgeport
Valley
AntelopeValley
FennerValley
KelsoValley
Soda LakeValley
Lower MohaveRiver Valley
Harper Valley CoyoteLake Valley
CroniseValleySuperiorValley
GoldstoneValley
Red PassValley
RiggsValley
BicycleValley
SouthIvanpahValley
ShadowValley
NorthIvanpahValley
MesquiteValley
ValjeanValley
CaliforniaValley
ChicagoValley
FreemontValley Cuddeback
Valley
SearlesValley
East PilotKnobandBrown
MountainValleys
LeachValley
Lost Lakeand Owl Lake
Valleys
IndianWellsValley
RoseValley
PanamintValley
DeathValley
DarwinPlateauBasins
SouthOwensValley
Race Trackand Hidden
Valleys
AmargosaDesert
LowerAmargosa
Valley
PahrumpValley
IndianSpringsValley
FrenchmanFlat
South ThreeLakesValley
NorthThreeLakes Valley
FortymileWash
CraterFlat
MercuryValley
RockValley
LanfairValley
EldoradoValley
HiddenValley
JeanLake
Valley
Tomales-DrakesBasin Novato
Valley Concord-Pittsburg
AreaSan RamonValleyEast Bay
Plain
San FranciscoBay Peninsula
Basins
SanMateoCoastalBasins
SantaClaraValley
Livermoreand Sunol
Valleys
UpperCoyoteCreekBasin
MontereyBasin
San Benito-Upper PajaroRiver Basin
CentralCalifornia
CoastalBasin
MiddleSalinas River
Valley
LockwoodValley
CholameValley
UpperSalinas
River Valley
CarrizoPlain
CuyamaValleySanta
Maria RiverValleySan Antonio
Creek Valley
CoachellaValley
BorregoValley
SaltonSea
Cottonwood,Campo, and
Potrero Valley
Vallecito,Carrizo,
and CoyoteWells Valleys
OrocopiaValley
PintoBasin
OgilbyValley
ImperialValley
ChuckwallaValley
ArroyoSeco Basin
PaloVerdeValley
YumaWash
La PosaPlain
Ward andRice
Valleys
JohnsonValley
TwentyninePalms Area
BristolValley
DaleValley
CadizValley
Parker andVidal
Valleys
RenegrasPlain
ChemehueviValley Lake
HavasuBasin
Lower BillWilliams
River Basin
BroadwellValleyLavic
Valley
ButlerValley
King andSan
CristobalValleys
Upper MohaveRiver Valley
Santa AnaInlandBasin
SanJacintoBasin
TemeculaValleySanta
MargaritaValley
San Luis Rey-Escondido
Coastal Basin
YumaBasin
LucerneValley
MohaveRiverValley
LechuquillaDesert Mohawk
Valley
SantaYnez River
Valley
Santa BarbaraCoastal Basins VenturaRiverValley
SantaClara River
Valley
Calleguas-OxnardBasin
MalibuCoastalBasins
CoastalPlain of
Los Angeles
San GabrielValley
Santa AnaCoastalBasin
Aliso-San Onofre
Coastal Basins
San DiegoCoastalBasins
SanFernando Valley
Palomas andSentinalPlains
McMullenValley
HarquahalaBasin
BullardWash
BurroCreekBasin Little
ChinoBasin
Agua FriaRiverBasin
KirklandCreekBasin
Lower VerdeRiver Basin
UpperHassayampaRiver Basin
LakePleasant
ParadiseValleyMiddle
HassayampaRiver Basin
Salt RiverValley-
Phoenix Area
Salt RiverValley-Chandler Area
GrowlerValley
GilaBendBasin
WatermanWash
Valley ofthe Ajo
VekolValley
StanfieldArea
EloyArea
DonnellyWash
DrippingSpringsWash
Lower SanPedro River
Basin
SantaRosa
ValleyAguirreValley
AvraValley
WillcoxBasin
San SimonValley
AravaipaValley
SaffordValley
QuijotoaValley
Baboquivariand Tecolote
ValleysAltarValley
Upper SantaCruz River
BasinCienegaCreekBasin Upper
San PedroRiver Basin
DouglasBasin
DuncanBasin
LordsburgBasinAnimas
Basin
MimbresRiverBasin
PlayasBasin
MesillaBasin
PalomasBasin
Jornada delMuerto Basin-Southern Part
TularosaBasin
EngleBasin
Montecello-Cuchillo
Basin
SanAgustinBasin
SanMarcialBasin
Jornada delMuerto Basin-Northern Part
SocorroBasin
La JenciaBasin
Albuquerque-BelenBasin
EspanolaBasin
San LuisValley