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Water Quality Samples for USA
Grouped by County

Some complex retrievals may take a few minutes.

Site Selection Results -- 326 sites found


Hydrologic unit = 17090012
Minimum number of samples = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Clackamas County, Oregon
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 14211110 WILLAMETTE R TRIB ON OLD RIVER RD IN ROBINWOOD 1975-09-03 1976-12-16 69
USGS 14211120 WILLAMETTE R TRIB ON SE RIVER ROAD 1975-09-03 1977-02-20 114
USGS 14211315 TRYON CREEK NEAR LAKE OSWEGO, OR 2004-05-07 2004-09-29 3
USGS 14211550 JOHNSON CREEK AT MILWAUKIE, OR 1989-09-06 2022-01-10 38
USGS 452210122380101 02S/01E-25BCD 1949-10-01 1949-10-01 1
USGS 452230122375600 WEST LINN STP 1973-07-19 1974-08-06 15
USGS 452232122370100 WILLAM. R.; RM 24.3 1974-08-07 1974-08-07 1
USGS 452245122371100 WILLAM. R.; RM 24.0 1974-08-07 1974-08-07 1
USGS 452255122371400 WILLAM. R.; RM 23.8 1974-08-07 1974-08-07 1
USGS 452301122372400 WILLAMETTE R AT MARY S YOUNG PRK, AT WEST LINN, OR 2012-09-17 2012-09-17 2
USGS 452310122371800 WILLAM. R.; RM 23.5 1974-08-07 1974-08-07 1
USGS 452320122372300 WILLAM. R.; RM 23.3 1974-08-07 1974-08-07 1
USGS 452335122373200 WILLAM. R.; RM 23.0 1974-08-07 1974-08-07 1
USGS 452341122374300 WILLAM. R.; RM 22.9 1974-08-07 1974-08-07 1
USGS 452344122381500 TRILLIUM CREEK AT CALOROGA ROAD, AT WEST LINN, OR 2013-08-30 2013-09-05 2
USGS 452345122375800 WILLAM. R.; RM 22.6 1974-08-07 1974-08-07 1
USGS 452349122380400 WILLAM. R.; RM 22.5 1974-08-07 1974-08-07 1
USGS 452351122412701 02S/01E-16ACC 1969-07-26 1969-07-26 1
USGS 452352122413600 02S/01E-16BDD 1976-04-09 1976-04-09 1
USGS 452358122381200 WILLAM. R.; RM 22.3 1974-08-07 1974-08-07 1
USGS 452401122382600 KELLOG LAKE (CLACKAMAS COUNTY) OREG. 1975-09-15 1975-09-15 1
USGS 452408122382800 WILLAM. R. @ ROCKY IS.;RM 22.0 1973-07-24 1973-07-27 319
USGS 452409122395101 02S/01E-15AAB 1976-03-05 1976-03-05 1
USGS 452410122383500 WILLAM. R.; RM 21.9 1974-08-07 1974-08-07 1
USGS 452416122384700 WILLAM. R.; RM 21.7 1974-08-07 1974-08-07 1
USGS 452422122385800 WILLAM. R.; RM 21.5 1974-08-07 1974-08-07 1
USGS 452425122410300 OUTFALL TO LOST DOG CREEK, AT LAKE OSWEGO, OR 2013-09-05 2013-09-05 1
USGS 452431122391400 WILLAM. R.;RM 21.3 1973-06-25 1974-11-20 19
USGS 452438122400000 LAKE OSWEGO (CLACKAMAS COUNTY) OREG. 1975-10-29 1975-10-29 1
USGS 452438122404100 LOST DOG CR AT LAKE FRONT BLVD, AT LAKE OSWEGO, OR 2013-08-29 2013-09-05 2
USGS 452440122392500 WILLAM. R.;RM 21.0 1974-08-06 1974-08-07 328
USGS 452445122392300 WILLAM. R.; RM 20.9 1974-08-07 1974-08-07 1
USGS 452453122420801 02S/01E-08ADA 1951-10-29 1951-10-29 1
USGS 452456122391000 RIVER FOREST LAKE (CLACKAMAS COUNTY) OREG. 1975-07-30 1975-07-30 1
USGS 452505122391600 WILLAM. R.; RM 20.5 1974-08-07 1974-08-07 1
USGS 452513122391500 TRYON STP (SECONDARY); RM 20.3 1973-07-19 1974-08-27 20
USGS 452513122391501 TRYON STP (PRIMARY); RM 20.3 1974-07-10 1974-08-27 26
USGS 452513122391502 TRYON STP (RAW); RM 20.3 1974-07-09 1974-08-27 27
USGS 452523122361400 KELLOGG CREEK AT SE RUSK RD, AT OATFIELD, OR 2015-07-21 2015-07-21 1
USGS 452523122391800 WILLAM. R.; RM 20.2 1974-08-07 1974-08-07 1
USGS 452526122364400 KELLOGG CREEK AT MILWAUKIE, OR 2003-11-06 2004-09-13 8
USGS 452529122391400 WILLAM. R. @ OAK LODGE STP; RM 20.1 1973-07-24 1973-07-27 9
USGS 452538122342100 MT SCOTT CR AT SE 84TH AVE, NEAR OATFIELD, OR 2015-07-21 2015-07-21 1
USGS 452539122390200 WILLAM. R.; RM 19.8 1974-08-07 1974-08-07 1
USGS 452541122334700 MT SCOTT CR AT SE 97TH AVE, AT SUNNYSIDE, OR 2015-07-21 2015-07-21 1
USGS 452541122343600 TRIB TO MT SCOTT CR AT SE 84TH AVE NR OATFIELD, OR 2015-07-21 2015-07-21 1
USGS 452543122372300 KELLOGG CR BELOW MT SCOTT CR, NR MILWAUKIE, OR 2015-04-13 2015-07-21 40
USGS 452544122360500 MT SCOTT CR AT SE RUSK RD, NEAR MILWAUKIE, OR 2015-07-21 2015-07-21 1
USGS 452546122385200 WILLAM. R.; RM 19.6 1974-08-07 1974-08-07 1
USGS 452547122324100 TRIB TO MT SCOTT CR NR SUNNYSD RD AT SUNNYSIDE, OR 2015-07-21 2015-07-21 1
USGS 452548122323900 MT SCOTT CR NR SE SUNNYSIDE RD, AT SUNNYSIDE, OR 2015-07-21 2015-07-21 1
USGS 452552122373700 KELLOGG CR AT ROWE MIDDLE SCHOOL, AT MILWAUKIE, OR 2013-09-03 2013-09-05 2
USGS 452553122373800 OUTFALL TO KELLOGG CREEK, NEAR MILWAUKIE, OR 2013-09-05 2013-10-21 3
USGS 452554122385100 WILLAM. R.; RM 19.4 1974-08-07 1974-08-07 1
USGS 452555122355400 MINTHORN SPRING CR AT LAKE ROAD, AT MILWAUKIE, OR 2013-08-29 2013-09-05 2
USGS 452555122355500 TRIB TO MT SCOTT CR AT HARMONY DR NR MILWAUKIE, OR 2015-07-21 2015-07-21 1
USGS 452557122344500 SE SUNNYSIDE RD NEAR OATFIELD, OR 2015-07-21 2015-07-21 1
USGS 452558122344400 PARKING LOT NR SE HARMONY RD, NEAR OATFIELD, OR 2015-07-21 2015-07-21 1
USGS 452608122385800 WILLAM. R.; RM 19.1 1974-08-07 1974-08-07 1
USGS 452613122385900 WILLAM. R.; RM 19.0 1974-08-07 1974-08-07 1
USGS 452614122343800 PARKING LOT NR SE 82ND AVE, NEAR OATFIELD, OR 2015-07-21 2015-07-21 1
USGS 452617122385100 WILLAM. R.; RM 18.9 1974-08-07 1974-08-07 1
USGS 452625122384000 WILLAM. R.; RM 18.7 1974-08-07 1974-08-07 1
USGS 452636122384000 WILLAM. R. @ KELLOG CR.;RM 18.5 1973-07-19 1974-08-07 20
USGS 452637122385000 WILLAM. R.; RM 18.4 1974-08-07 1974-08-07 1
USGS 452640122385000 WILLAM. R.; RM 18.3 1974-08-07 1974-08-07 1
USGS 452641122385700 WILLAM. R.; RM 18.2 1974-08-07 1974-08-07 1
USGS 452644122390200 WILLAM. R.; RM 18.1 1974-08-07 1974-08-07 1
USGS 452646122382000 SPRING CREEK AT WALDORF SCHOOL, AT PORTLAND, OR 2022-01-10 2022-01-10 2
USGS 452648122313300 MT SCOTT CR AT SE KING RD, AT HAPPY VALLEY, OR 2015-07-21 2015-07-21 1
USGS 452652122344300 PARKING LOT NR SE ORCHARD LN, NEAR MILWAUKIE, OR 2015-07-21 2015-07-21 1
USGS 452652122391200 WILLAM. R.; RM 17.9 1974-08-07 1974-08-07 1
USGS 452702122391800 WILLAM. R.; RM 17.7 1974-08-07 1974-08-07 1
USGS 452711122383100 JOHNSON CREEK 1997-08-06 1998-02-18 4
USGS 452711122383101 JOHNSON CREEK ABOVE MOUTH 1990-01-25 1990-01-26 3
USGS 452711122392400 WILLAM. R.; RM 17.5 1974-08-07 1974-08-07 1
USGS 452716122392800 WILLAM. R.; RM 17.4 1974-08-07 1974-08-07 1
USGS 452717122355500 JOHNSON CREEK AT SE LINWOOD AVE, AT PORTLAND, OR 2022-01-10 2022-01-10 1
USGS 452720122353400 JOHNSON CREEK AT SE BELL AVE, AT PORTLAND, OR 2022-01-10 2022-01-10 2
USGS 452726122362600 JOHNSON CREEK AT SE 55TH AVE, AT MILWAUKIE, OR 2022-01-10 2022-01-10 1
USGS 452731122174600 JOHNSON CREEK AT HEADWATERS, AT COTTRELL, OR 2022-01-10 2022-01-10 2
USGS 452733122241400 SUNSHINE CREEK AT SE HIDEAWAY CT, DAMASCUS, OR 2022-01-10 2022-01-10 1
USGS 452736122294900 MITCHELL CREEK AT SE 162nd AVE, AT PORTLAND, OR 2021-07-13 2023-01-18 5
USGS 452737122231400 BADGER CREEK AT RUGG ROAD NEAR GRESHAM, OR 2020-11-13 2022-01-10 10
USGS 452740122350200 JOHNSON CREEK AT SE LUTHER RD, AT PORTLAND, OR 2022-01-10 2022-01-10 1
  group icon Columbia County, Oregon
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 14222850 MULTNOMAH CHANNEL NEAR MOUTH, AT ST HELENS, OR 1994-02-15 1994-12-07 12
USGS 454300122480000 -USGS 454300122480000 1972-09-11 1972-09-11 1
USGS 454350122500000 -USGS 454350122500000 1972-09-11 1972-09-11 1
USGS 454440122470000 -USGS 454440122470000 1972-09-11 1972-09-11 1
USGS 454543122524900 SOUTH SCAPPOSE CREEK AT SCAPPOSE, OR 2004-05-06 2004-09-24 3
USGS 455032122492300 MCNULTY CREEK AT ST. HELENS, OR 2004-05-06 2004-05-06 1
  group icon Multnomah County, Oregon
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 14211301 TRYON CREEK TRIB AT DOLPH CT AT PORTLAND,OREG. 1975-09-03 1977-02-20 98
USGS 14211400 JOHNSON CREEK AT REGNER ROAD, AT GRESHAM, OR 2011-11-22 2022-01-10 12
USGS 14211499 KELLEY CREEK AT SE 159TH DRIVE AT PORTLAND, OR 1989-09-01 2023-01-18 46
USGS 14211500 JOHNSON CREEK AT SYCAMORE, OR 1988-07-14 2002-03-12 20
USGS 14211542 CRYSTAL SPRINGS CREEK AT BYBEE ST, PORTLAND, OR 2022-01-10 2022-01-10 1
USGS 14211546 CRYSTAL SPRINGS CREEK AT MOUTH AT PORTLAND, OR 2022-01-10 2022-01-10 1
USGS 14211720 WILLAMETTE RIVER AT PORTLAND, OR 1974-10-25 2023-08-08 929
USGS 14211805 WILLAMETTE R AB ST JOHNS BR AT PORTLAND,OREG. 1975-03-25 1996-05-13 8
USGS 452634122245300 PRECIPITATION AT GRESHAM-MCKENZIE 1980-01-11 1980-11-17 27
USGS 452717122344000 JOHNSON CREEK AT SE 82ND AVE. 1989-09-01 1990-01-25 7
USGS 452722122361100 JOHNSON CREEK AT STANLEY AVE. 1989-09-05 1990-01-25 7
USGS 452725122393500 WILLAM. R.; RM 17.2 1974-08-07 1974-08-07 1
USGS 452729122393900 WILLAM. R.; RM 17.1 1974-08-07 1974-08-07 1
USGS 452731122353000 JOHNSON CREEK AT BELL AVE 1989-09-05 1990-01-25 7
USGS 452731122383200 JOHNSON CREEK AT SE OCHOCO ST, AT MILWAUKIE, OR 2022-01-10 2022-01-10 1
USGS 452735122382600 JOHNSON CREEK ABOVE OCHOCO AVE, OR 1988-07-14 1988-07-14 1
USGS 452738122394600 WILLAM. R.; RM 16.9 1974-08-07 1974-08-07 1
USGS 452740122382700 JOHNSON C AB CRYSTAL SPGS C AT CLATSOP ST,PORT,OR 2022-01-10 2022-01-10 1
USGS 452743122200900 JOHNSON CREEK AT REVENUE ROAD NEAR GRESHAM, OR 2010-03-12 2012-07-19 15
USGS 452743122221800 JOHNSON CREEK AT 282ND AVE NEAR GRESHAM, OR 2010-03-12 2022-01-10 23
USGS 452743122365400 JOHNSON CREEK AT 45TH AVENUE, PORTLAND, OR 2002-03-11 2023-01-18 7
USGS 452745122372300 JOHNSON CR AT TIDEMAN JOHNSON PARK AT PORTLAND, OR 2022-01-10 2022-01-10 4
USGS 452745122394800 WILLAM. R. @ SELLWOOD BR.;RM 16.8 1973-07-24 1973-07-26 269
USGS 452746122220200 JOHNSON CREEK ABOVE SE 282ND ST, NEAR GRESHAM, OR 2022-02-28 2022-02-28 2
USGS 452746122382800 CRYSTAL SPRINGS CREEK AT SHERRETT AVE. 1989-09-06 1990-01-25 7
USGS 452746122383400 CRYSTAL SPRINGS CREEK AT SE UMATILLA ST, PORTLAND 2022-01-10 2022-01-10 2
USGS 452747122344000 JOHNSON CREEK AT 82 AVE, PORTLAND, OR 1988-08-16 1988-08-16 1
USGS 452748122214000 JOHNSON CREEK NR SE SHORT RD, AT GRESHAM, OR 2022-01-10 2022-01-10 2
USGS 452750122365300 STORM DRAIN AT SE 45TH & UMATILLA ST, PORTLAND OR 2002-03-11 2002-03-11 6
USGS 452750122370000 JOHNSON CREEK BELOW FISH LADDER, OR 1988-08-17 1990-01-25 2
USGS 452751122381400 JOHNSON CREEK AT MCGLOUGHLIN BLVD. 1989-09-05 1990-01-25 7
USGS 452753122233100 JOHNSON CREEK AT TELFORD ROAD NEAR GRESHAM, OR 2019-11-19 2022-02-28 15
USGS 452755122234100 SUNSHINE CREEK AT MOUTH NEAR GRESHAM, OR 2010-03-12 2020-03-31 20
USGS 452758122234300 N FK JOHNSON CR AT SPRINGWATER CORR NR GRESHAM, OR 2020-11-13 2022-01-10 8
USGS 452802122395500 WILLAM. R.; RM 16.4 1974-08-07 1974-08-07 1
USGS 452807122392901 01S/01E-23CBA 1995-07-20 1998-04-02 6
USGS 452810122332700 JOHNSON CREEK OUTFALL AT CIRCLE AVE. 1989-12-04 1990-01-25 2
USGS 452813122395700 WILLAM. R.; RM 16.2 1974-08-07 1974-08-07 1
USGS 452816122312700 DEARDORFF CREEK AT DEARDORFF ROAD, AT PORTLAND, OR 2022-01-10 2022-01-10 1
USGS 452823122240900 JOHNSON CREEK AT PALMBLAD RD NR GRESHAM, OR 1994-05-24 2022-01-10 14
USGS 452823122395500 WILLAM. R.; RM 16.0 1974-08-07 1974-08-07 1
USGS 452830122270400 BUTLER CREEK NR SW WILLOW PKWY, AT GRESHAM, OR 2022-01-10 2022-01-10 1
USGS 452830122333000 JOHNSON CREEK NR E LENTS FLOODPLAIN TRAIL 2022-01-10 2022-01-10 1
USGS 452840122302401 JOHNSON CREEK NEAR SE 145TH AND FOSTER RD., OR 1988-08-19 1989-12-05 4
USGS 452840122302402 JOHNSON CREEK UPSTREAM FROM SE 122ND AND FOSTER RD 1989-10-05 1990-01-25 2
USGS 452840122380401 01S/01E-13CCA-S 1977-09-20 1977-09-20 1
USGS 452842122305801 01S/02E-14DDA 1993-08-06 2012-06-05 16
USGS 452843122400200 WILLAM. R.; RM 15.6 1974-08-07 1974-08-07 1
USGS 452847122244500 JOHNSON CREEK AT HOGAN RD NR GRESHAM, OR 1992-08-21 1992-08-21 1
USGS 452851122245900 HOGAN CREEK AT MOUTH AT GRESHAM, OR 2022-01-10 2022-01-10 1
USGS 452854122400800 WILLAM. R.; RM 15.4 1974-08-07 1974-08-07 1
USGS 452855122391100 TADPOLE POND AT OAKS BOTTOM WR NR SELLWOOD, OR 2009-04-16 2009-04-16 1
USGS 452857122292900 JOHNSON CREEK NR SE CIRCLE AVE, PLEASANT VALLEY 2022-01-10 2022-01-10 1
USGS 452858122394200 WILLAMETTE RM 15.3 ,ROSS ISLAND LAGOON,PORTL.OR 1978-06-06 1978-06-06 4
USGS 452905122390200 ANCIENT POND AT OAKS BOTTOM WR NR SELLWOOD, OR 2009-04-16 2012-06-18 3
USGS 452905122400800 WILLAM. R.; RM 15.2 1974-08-07 1974-08-07 1
USGS 452908122375401 01S/01E-13BDB 1993-06-28 1993-06-28 3
USGS 452909122393500 WILLAMETTE RM 15.1 ,ROSS ISLAND LAGOON,PORTL.OR 1978-06-06 1978-06-06 3
USGS 452910122251500 JOHNSON CREEK AT REGNER RD. 1989-08-30 1990-01-26 11
USGS 452911122273700 JOHNSON CREEK NR SW BINFORD AVE, AT GRESHAM, OR 2022-01-10 2022-01-10 1
USGS 452911122291200 JOHNSON CREEK OUTFALL AT SE 100TH & KNAPP 1989-12-04 1990-01-25 2
USGS 452912122291200 JOHNSON CREEK AT CIRCLE AVE, OR 2004-05-04 2015-06-18 26
USGS 452913122273800 BUTLER CREEK AT MOUTH AT GRESHAM, OR 2022-01-10 2022-01-10 2
USGS 452917122275700 JOHNSON CREEK AT SE 190TH AVE. 1989-08-31 1990-01-25 7
USGS 452923122265200 JOHNSON CREEK AT SW TOWLE AVE, AT GRESHAM, OR 2022-01-10 2022-01-10 1
USGS 452923122391802 WILLAMETTE RM 14.8 ,EAST CHANNEL,PORTLAND,OR 1978-06-06 1978-06-06 5
USGS 452925122392700 WILLAMETTE RM 14.7 ,ROSS IS.LAGOON OUTL.PORTL.OR 1978-06-06 1978-06-06 3
USGS 452926122400600 WILLAM. R.; RM 14.8 1974-08-07 1974-08-07 1
USGS 452927122374501 01S/01E-12DCC 1995-07-18 1998-04-01 6
USGS 452935122311000 01S/02E-11DAC 1975-10-02 1976-06-08 4
USGS 452940122395900 WILLAM. R.; RM 14.5 1974-08-07 1974-08-07 1
USGS 452943122262200 JOHNSON CREEK AT SW 7TH ST, AT GRESHAM, OR 2022-01-10 2022-01-10 2
USGS 452946122255000 STORMWATER OUTFALL TO JOHNSON CREEK AT GRESHAM, OR 2019-12-19 2020-01-23 2
USGS 452946122395900 WILLAM. R.; RM 14.4 1974-08-07 1974-08-07 1
USGS 452949122393802 WILLAMETTE RM 14.3 ,EAST CHANNEL, PORTLAND,OR 1978-06-06 1978-06-06 5
USGS 452950122382001 01S/01E-12CBB 1995-07-24 1998-04-21 6
USGS 452951122254600 STORM DRAIN IN GRESHAM CITY PARK, OR 2002-03-11 2002-03-11 4
USGS 452955122395500 WILLAM. R.; RM 14.2 1974-08-07 1974-08-07 1
USGS 453005122395100 WILLAM. R.; RM 14.0 1974-08-07 1974-08-07 1
USGS 453016122395800 WILLAM. R.; RM 13.8 1974-08-07 1974-08-07 1
USGS 453032122385201 01S/01E-02DBC 1995-07-25 1998-04-16 8
USGS 453036122400800 WILLAM. R.; RM 13.4 1974-08-07 1974-08-07 1
USGS 453037122373701 01S/01E-01ACA 1995-07-17 1998-04-15 6
USGS 453043122402200 COMM/RESIDENTIAL RUNOFF AT HARBOR WAY AT PORT, OR 1994-06-17 1994-06-17 2
USGS 453045122272500 01S/03E-05ADC 1975-10-02 1976-06-08 4
USGS 453046122401100 WILLAM. R.; RM 13.2 1974-08-07 1974-08-07 1
USGS 453054122330600 USGS/WRD SUPPORT LABORATORY PORTLAND, OREGON 1905-07-04 2004-07-29 5
USGS 453055122272901 01S/03E-05ADB 1993-06-21 1993-06-21 3
USGS 453056122401100 WILLAM. R.; RM 13.0 1974-08-07 1974-08-07 1
USGS 453114122395800 WILLAM. R.; RM 12.6 1974-08-07 1974-08-07 1
USGS 453124122395600 WILLAM. R.; RM 12.4 1974-08-07 1974-08-07 1
USGS 453130122332200 PRECIPITATION NEAR GLISAN & NE 103RD, PORTLAND, OR 1982-09-01 2003-01-01 133
USGS 453130122333500 01N/02E-33DAA (DUPLICATE1) 1975-10-01 1976-06-08 4
USGS 453134122395900 WILLAM. R.; RM 12.2 1974-08-07 1974-08-07 1
USGS 453135122333500 01N/02E-33DAB (DUPLICATE1) 1975-10-01 1976-06-08 4
USGS 453136122400400 WILLAM. R. @ MORRISON BR.;RM 12.8 1973-06-25 1974-11-20 879
USGS 453140122435300 AUDUBON POND AT NW CORNELL RD, AT PORTLAND, OR 2012-04-20 2012-12-18 3
USGS 453143122400800 WILLAM. R.; RM 12.0 1974-08-07 1974-08-07 1
USGS 453148122392000 PRECIP GAGE 9TH & HOLLADAY AT PORTLAND,OREG. 1961-09-01 1982-08-01 191
USGS 453151122401700 WILLAM. R.; RM 11.8 1974-08-07 1974-08-07 1
USGS 453152122401801 WILLAMETTE RM 11.8 ,UPSTREAM OF DREDGE,PORTL.OR 1978-06-06 1978-06-06 4
USGS 453154122394200 TRANSPORTATION CORRIDOR AT SE 3RD @ PORTLAND, OR 1994-05-31 1994-12-02 6
USGS 453154122402001 WILLAM RM 11.75,UPSTREAM OF DREDGE,PORT,OR(DUP1) 1978-06-06 1978-06-06 3
USGS 453154122402002 WILLAM RM 11.75,UPSTREAM OF DREDGE,PORT,OR(DUP2) 1978-06-06 1978-06-06 5
USGS 453154122402003 WILLAM RM 11.75,UPSTREAM OF DREDGE,PORT,OR(DUP3) 1978-06-06 1978-06-06 4
USGS 453156122402201 WILLAM RM 11.7 ,UPSTREAM OF DREDGE,PORT,OR(DUP1) 1978-06-06 1978-06-22 5
USGS 453156122402202 WILLAM RM 11.7 ,UPSTREAM OF DREDGE,PORT,OR(DUP2) 1978-06-22 1978-06-22 5
USGS 453156122402203 WILLAM RM 11.7 ,UPSTREAM OF DREDGE,PORT,OR(DUP3) 1978-06-22 1978-06-22 4
USGS 453159122402800 WILLAM. R.; RM 11.6 1974-08-07 1974-08-07 1
USGS 453206122404000 WILLAM. R.; RM 11.4 1974-08-07 1974-08-07 1
USGS 453208122404001 10 WILLAMETTE RM 11.3 FB 1983-10-13 1983-10-13 1
USGS 453211122404400 WILLAMETTE RM 11.3,DOWNSTREAM OF DREDGE,PORT.OR 1978-06-05 1978-06-06 6
USGS 453213122233401 01N/03E-26ADD-S 1977-09-21 1977-09-21 1
USGS 453213122404700 WILLAM RM 11.25,DWNSTRM OF DREDGE,PORT.OR (DUP1) 1978-06-06 1978-06-06 7
USGS 453213122404701 WILLAM RM 11.25,DWNSTRM OF DREDGE,PORT.OR (DUP2) 1978-06-22 1978-06-22 1
USGS 453213122404702 WILLAM RM 11.25,DWNSTRM OF DREDGE,PORT.OR (DUP3) 1978-06-06 1978-06-06 6
USGS 453213122404703 WILLAM RM 11.25,DWNSTRM OF DREDGE,PORT.OR (DUP4) 1978-06-06 1978-06-06 6
USGS 453214122405000 WILLAM. R.; RM 11.2 1974-08-07 1974-08-07 1
USGS 453216122305501 01N/02E-25CBCC1 1975-10-02 1976-06-07 4
USGS 453218122405501 WILLAM RM 11.1 ,DWNSTRM OF DREDGE,PORT.OR (DUP1) 1978-06-06 1978-06-22 10
USGS 453218122405502 WILLAM RM 11.1 ,DWNSTRM OF DREDGE,PORT.OR (DUP2) 1978-06-06 1978-06-06 4
USGS 453218122405503 WILLAM RM 11.1 ,DWNSTRM OF DREDGE,PORT.OR (DUP3) 1978-06-06 1978-06-06 6
USGS 453219122410001 COMP. RM 11.3+10.7 FB 1983-10-13 1983-10-13 1
USGS 453219122410006 COMP. RM 11.3+10.7 EFA 1983-10-13 1983-10-13 1
USGS 453219122410066 COMP. RM 11.3+10.7 EFO 1983-10-13 1983-10-13 1
USGS 453220122232500 01N/03E-25CBC-S 1975-10-01 1976-06-07 4
USGS 453221122410000 WILLAM. R.; RM 11.0 1974-08-06 1974-08-07 57
USGS 453222122410001 WILLAM RM 11.0 ,DWNSTRM OF DREDGE,PORT.OR (DUP1) 1978-06-22 1978-06-22 4
USGS 453222122410002 WILLAM RM 11.0 ,DWNSTRM OF DREDGE,PORT.OR (DUP2) 1978-06-22 1978-06-22 4
USGS 453222122410003 WILLAM RM 11.0 ,DWNSTRM OF DREDGE,PORT.OR (DUP3) 1978-06-22 1978-06-22 4
USGS 453225122255500 01N/03E-27CBB1 (DUPLICATE1) 1975-10-01 1976-06-07 4
USGS 453225122410501 WILLAM RM 10.9 ,DWNSTRM OF DREDGE,PORT.OR (DUP1) 1978-06-22 1978-06-22 4
USGS 453225122410502 WILLAM RM 10.9 ,DWNSTRM OF DREDGE,PORT.OR (DUP2) 1978-06-22 1978-06-22 4
USGS 453225122410503 WILLAM RM 10.9 ,DWNSTRM OF DREDGE,PORT.OR (DUP3) 1978-06-22 1978-06-22 4
USGS 453229122411901 9 WILLAMETTE RM 10.7 FB 1983-10-13 1983-10-13 1
USGS 453230122343500 01N/02E-28BCC 1975-10-02 1976-06-08 4
USGS 453233122411501 WILLAMETTE RM 10.7 ,DOWNSTREAM OF DREDGE,PORT.OR 1978-06-22 1978-06-22 3
USGS 453234122411700 WILLAM. R.; RM 10.7 1974-08-07 1974-08-07 1
USGS 453238122412100 WILLAM. R.; RM 10.6 1974-08-07 1974-08-07 1
USGS 453243122385800 MILLER PORTLAND OREGON 1980-06-12 1980-06-12 1
USGS 453245122283500 01N/03E-30AAD 1975-10-01 1976-06-07 4
USGS 453246122413100 WILLAM. R.; RM 10.4 1974-08-07 1974-08-07 1
USGS 453254122413900 WILLAM. R.; RM 10.2 1974-08-07 1974-08-07 1
USGS 453254122414001 8 WILLAMETTE RM 10.1 FB 1983-10-13 1983-10-13 1
USGS 453257122414901 COMP. RM 10.1+9.8 FB 1983-10-13 1983-10-13 1
USGS 453257122414906 COMP. RM 10.1+9.8 EFA 1983-10-13 1983-10-13 1
USGS 453257122414966 COMP. RM 10.1+9.8 EFO 1983-10-13 1983-10-13 1
USGS 453301122272000 FAIRVIEW LAKE (MULTNOMAH COUNTY) OREG. 1974-09-11 1974-09-11 1
USGS 453301122414900 WILLAM. R.; RM 10.0 1974-08-07 1974-08-07 1
USGS 453301122415801 7 WILLAMETTE RM 9.8 FB 1983-10-13 1983-10-19 2
USGS 453305122303000 01N/02E-24CDB 1975-10-01 1976-06-07 4
USGS 453306122415400 WILLAM. R. @ FREMONT BR.;RM 10.0 1974-08-06 1974-08-07 280
USGS 453307122420300 WILLAM. R.; RM 9.8 1974-08-07 1974-08-07 1
USGS 453312122421600 WILLAM. R.; RM 9.6 1974-08-07 1974-08-07 1
USGS 453314122261901 BLUE LAKE OUTFLOW-PUMPED 1982-02-16 1982-02-16 1
USGS 453314122262000 BLUE LAKE NR TROUTDALE (MULTNOMAH COUNTY) OREG. 1974-09-06 1974-09-06 1
USGS 453316122422401 COMP. RM 9.6+9.2 FBB 1983-10-13 1983-10-13 1
USGS 453316122422501 COMP. RM 9.6+9.2 FBA 1983-10-13 1983-10-13 1
USGS 453316122422506 COMP. RM 9.6+9.2 EFA 1983-10-13 1983-10-13 1
USGS 453316122422566 COMP. RM 9.6+9.2 EFO 1983-10-13 1983-10-13 1
USGS 453317122384101 01N/01E-23DAB 1997-10-24 1998-07-06 10
USGS 453318122422800 WILLAM. R.; RM 9.4 1974-08-07 1974-08-07 1
USGS 453320122423801 5 WILLAMETTE RM 9.2A FB 1983-10-13 1983-10-13 1
USGS 453320122423901 5 WILLAMETTE RM 9.2B FB 1983-10-13 1983-10-13 1
USGS 453323122295701 01N/02E-24ADC 1977-12-17 1977-12-17 1
USGS 453323122424100 WILLAM. R.; RM 9.2 1974-08-07 1974-08-07 1
USGS 453324122262700 LOCAL NUMBER 1N/3E-21AC2 1982-02-16 1982-02-16 1
USGS 453325122315500 01N/02E-23BCD 1975-10-01 1976-06-07 4
USGS 453326122262901 01N/03E-21ACC 1977-01-26 1977-01-26 1
USGS 453327122425500 WILLAM. R.;RM 9.0 1974-08-07 1974-08-07 27
USGS 453329122425201 WILLAMETTE RIVER AT SWAN ISLAND, OR 1992-09-01 1992-09-01 2
USGS 453335122430500 WILLAM. R.; RM 8.8 1974-08-07 1974-08-07 1
USGS 453336122295701 01N/02E-24AAD 1977-11-17 1977-11-17 1
USGS 453336122430801 4 WILLAMETTE RM 8.7A FB 1983-10-13 1983-10-13 1
USGS 453336122430901 4 WILLAMETTE RM 8.7B FB 1983-10-13 1983-10-13 1
USGS 453339122431901 COMP. RM 8.7+8.3 FB 1983-10-13 1983-10-13 1
USGS 453339122431906 COMP. RM 8.7+8.3 EFA 1983-10-13 1983-10-13 1
USGS 453339122431966 COMP. RM 8.7+8.3 EF0 1983-10-13 1983-10-13 1
USGS 453341122431600 WILLAM. R.; RM 8.6 1974-08-07 1974-08-07 1
USGS 453348122432800 WILLAM. R.; RM 8.4 1974-08-07 1974-08-07 1
USGS 453350122434100 WILLAM. R.;RM 8.0 1974-08-07 1974-08-07 27
USGS 453355122434000 WILLAM. R.; RM 8.2 1974-08-07 1974-08-07 1
USGS 453356122372401 01N/01E-13DDB 1995-07-19 1998-04-20 8
USGS 453358122335500 OWENS ILLINOIS RESERVOIR (MULTNOMAH COUNTY) OREG 1974-11-15 1974-11-15 1
USGS 453403122352101 01N/02E-17CAD 1993-08-06 1993-08-06 3
USGS 453404122435700 WILLAM. R.; RM 7.9 1974-08-07 1974-08-07 1
USGS 453407122331301 01N/02E-15CBA 1977-11-03 1977-11-03 1
USGS 453409122440400 WILLAM. R.; RM 7.8 1974-08-07 1974-08-07 1
USGS 453416122441400 WILLAM. R.; RM 7.6 1974-08-07 1974-08-07 1
USGS 453419122391501 01N/01E-14BDB 1997-10-23 1998-04-22 6
USGS 453422122331301 01N/02E-15BCA 1977-11-09 1977-11-09 1
USGS 453422122334101 01N/02E-16ADB 1977-11-09 1977-11-09 1
USGS 453424122442500 WILLAM. R.; RM 7.4 1974-08-07 1974-08-07 1
USGS 453427122364400 WHITAKER POND AT PORTLAND, OR 1974-09-11 2012-10-16 5
USGS 453431122445800 STORMWATER OUTFALL UNDER W END ST JOHNS RR BRIDGE 2009-12-15 2009-12-15 1
USGS 453431122445900 STORMWATER OUTFALL BLW WEST END ST JOHNS RR BRIDGE 2009-12-15 2009-12-15 1
USGS 453434122443800 WILLAM. R.;RM 7.0 1973-06-25 1974-11-20 1267
USGS 453437122444601 WILLAMETTE RIVER AT SP&S BRIDGE, OR 1992-07-07 1992-07-07 1
USGS 453438122444500 WILLAM. R.; RM 7.0 1974-08-07 1974-08-07 1
USGS 453442122445000 WILLAM. R.; RM 6.9 1974-08-07 1974-08-07 1
USGS 453447122401501 01N/01E-10CDA 1995-07-21 1998-04-08 8
USGS 453449122451300 WILLAM. R.; RM 6.6 1974-08-07 1974-08-07 1
USGS 453455122452500 WILLAM. R.; RM 6.4 1974-08-07 1974-08-07 1
USGS 453458122412201 01N/01E-09DBB 1995-07-26 1998-04-07 9
USGS 453501122453900 WILLAM. R.; RM 6.2 1974-08-07 1974-08-07 1
USGS 453507122454900 WILLAM. R.;RM 6.0 1973-07-24 1974-08-14 819
USGS 453515122420301 01N/01E-09BCB 1995-07-26 1998-04-06 10
USGS 453516122460000 WILLAM. R.; RM 5.8 1974-08-07 1974-08-07 1
USGS 453523122433001 01N/01E-07AAC 1995-07-27 1998-04-09 9
USGS 453523122460900 WILLAM. R.; RM 5.6 1974-08-07 1974-08-07 1
USGS 453547122463000 WILLAMETTE RIVER AT LINNTON, OR 1992-04-18 1992-10-26 7
USGS 453605122463601 2 WILLAMETTE RM 4.5 FB 1983-10-13 1983-10-13 1
USGS 453608122421800 UNNAMED LAKE NO 13 MULTNOMAH COUNTY) OREG. 1974-09-10 1974-09-10 1
USGS 453609122463801 COMP. RM 4.5+4.3 FB 1983-10-13 1983-10-13 1
USGS 453609122463806 COMP. RM 4.5+4.3 EFA 1983-10-13 1983-10-13 1
USGS 453609122463866 COMP. RM 4.5+4.3 EFO 1983-10-13 1983-10-13 1
USGS 453613122464101 1 WILLAMETTE RM 4.3 FB 1983-10-13 1983-10-13 1
USGS 453614122413700 FORCE LAKE (MULTNOMAH COUNTY) OREG. 1974-09-10 1974-09-10 1
USGS 453622122440191 SMITH LAKE S 1 NR PORTLAND OR 1982-06-17 1982-10-13 92
USGS 453625122471000 WILLAMETTE RIVER 1997-08-06 1998-01-15 3
USGS 453630122430004 SMITH LAKE N 10 NR PORTLAND OR 1982-10-15 1982-10-15 1
USGS 453635122434893 SMITH LAKE C 2 NR PORTLAND OR 1982-06-17 1983-03-18 210
USGS 453641122440792 SMITH LAKEC W 5 NR PORTLAND OR 1982-06-17 1982-09-16 13
USGS 453648122433971 SMITH LAKE N 7 NR PORTLAND OR 1982-06-17 1982-07-20 16
USGS 453653122440500 SMITH LAKE (MULTNOMAH COUNTY) OREG. 1974-09-09 1974-09-09 1
USGS 453658122443200 BYBEE LAKE (MULTNOMAH COUNTY) OREG. 1974-09-10 1974-09-10 1
USGS 453700122445803 COLUMBIA SL 4 NR BYBEE L NR PORTLAND OR 1982-06-22 1982-08-27 60
USGS 453708122440004 BYBEE LAKE E 8 NR PORTLAND OR 1982-06-29 1982-11-24 31
USGS 453709122444402 BYBEE LAKE C 3 NR PORTLAND OR 1982-06-17 1983-03-18 95
USGS 453722122451201 BYBEE LAKE W 9 NR PORTLAND OR 1982-07-29 1982-07-29 4
USGS 453740122485600 MULTNOMAH CHANNEL @ SAUVIE IS. BR. 1973-07-24 1973-07-26 60
USGS 453833122462700 WILLAM R. @ ; RM 1.5 1973-07-24 1973-07-25 328
USGS 454430122481000 STURGEON LAKE (MULTNOMAH COUNTY) OREG. 1974-09-04 1974-09-04 1
  group icon Clark County, Washington
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 14211942 UNNAMED SPRING 2.8 MI ABV SALMON CR NR FELIDA, WA 2011-10-13 2012-10-25 5
USGS 14211958 UNNAMED SPRING 1.6 MI ABV SALMON CR NR FELIDA, WA 2011-08-18 2012-10-25 10