Data Collection Platforms: Oregon
Updated: 09/16/26 22:00:05 GMT
| NWSLI | Location Description |
|---|---|
| 3CLO3 | CLATSOP SPIT NEAR WARRENTON 6NW |
| ACDO3 | ANTELOPE CREEK AND DIVERSION DAM NEAR EAGLE POINT 10SE |
| ACKO3 | ADY CANAL ABOVE LOWER KLAMATH NWR |
| ACLO3 | ANNIE SPRING NEAR CRATER LAKE NEAR FORT KLAMATH 14NW |
| ADYO3 | ADY CANAL AT HIGHWAY 97 |
| AFKO3 | ANNIE CREEK --FORT KLAMATH |
| AGDO3 | AGATE DAM AND RESERVOIR NEAR WHITE CITY 4ESE |
| AGFO3 | AGNESS RAWS NEAR AGNESS 5SSW |
| AGNO3 | ROGUE RIVER NEAR AGNESS |
| AGSO3 | ILLINOIS RIVER NEAR AGNESS |
| ALAO3 | AGENCY LAKE NEAR KLAMATH AGENCY |
| ALBO3 | WILLAMETTE RIVER AT ALBANY |
| ALFO3 | ALLISON RAWS NEAR PAULINA 24SE |
| ALNO3 | ALLEN CANAL AT ECHO |
| ALTO3 | A-LINE CANAL TERMINUS NEAR HERMISTON 3SW |
| APLO3 | APLGATE LAKE NEAR COPPER |
| APPO3 | APLGATE RIVER NEAR COPPER NEAR APPLEGATE 14SE |
| APRO3 | APPLEGATE RIVER NEAR APPLEGATE 2SE |
| ARFO3 | PARKER MOUNTAIN RAWS NEAR KENO 18WSW |
| ARNO3 | ARNOLD CANAL NEAR BEND 7SW |
| ARWO3 | APPLEGATE RIVER NEAR WILDERVILLE 4SE |
| ASCO3 | WEST FORK ASHLAND CREEK NEAR ASHLAND 7S |
| ATFO3 | ANTELOPE RAWS NEAR DREWSEY 15NNW |
| AURO3 | PUDDING RIVER AT AURORA |
| AZAO3 | COW CREEK NEAR AZALEA 5NE |
| BAAO3 | BEAR CREEK ABOVE ASHLAND 4E |
| BAFO3 | BALD MOUNTAIN RAWS NEAR RIVERSIDE 10W |
| BALO3 | BALTZOR RANCH NEAR SHEAVILLE NEAR ROME 20NNW |
| BBFO3 | BIG BUTTE RAWS NEAR BUTTE FALLS 7SE |
| BCAO3 | BEAR CREEK BELOW ASHLAND CREEK AT ASHLAND |
| BCBO3 | BERRY CREEK BELOW BEN IRVING |
| BCCO3 | SOUTH FORK LITTLE BUTTE CREEK CANAL NEAR EAGLE POINT 11ESE |
| BCEO3 | BRIDGE CREEK ABOVE EAST CANAL NEAR FRENCHGLEN |
| BCFO3 | BOARD CREEK RAWS NEAR MOUNT VERNON 15NW |
| BCKO3 | N SANTIAM RIVER BELOW BOULDER CREEK NEAR DETROIT 3SE |
| BCLO3 | NORTH SANTIAM RVR AT BIG CLIFF DAM NEAR NIAGARA NEAR DETROIT 7WNW |
| BCMO3 | BEAR CREEK CANAL AT MEDFORD |
| BCQO3 | BEAVER CREEK BELOW QUARTZ CREEK NEAR SIMNASHO 2W |
| BCTO3 | BEAVER CREEK AT TROUTDALE |
| BCWO3 | BEAR CREEK NEAR WALLOWA 3SW |
| BDFO3 | RYE MOUNTAIN RAWS NEAR SHERIDAN 11NW |
| BDGO3 | BRIDGE CREEK ABOVE COYOTE CANYON NEAR MITCHELL 13NW |
| BDRO3 | BRADSHAW DROP NEAR EAGLE POINT 8E |
| BEAO3 | NESTUCCA RIVER NEAR BEAVER 1SW |
| BENO3 | DESCHUTES RIVER AT BENHAM FALLS NEAR BEND 10SW |
| BERO3 | AGENCY VALLEY DAM AND BEULAH RESERVOIR NEAR BEULAH 8NW |
| BEUO3 | NORTH FORK MALHEUR RIVER NEAR BEULAH |
| BFLO3 | BULL RUN RIVER AT LOWER FLUME NEAR BRIGHTWOOD 10NE |
| BGFO3 | BADGER CREEK RAWS NEAR BROTHERS 18NE |
| BHRO3 | BOARD HOLLOW RAWS NEAR PRINEVILLE 8NE |
| BIFO3 | BIG CREEK NEAR FLORENCE 13N |
| BIRO3 | BIRCH CREEK NEAR REITH |
| BIVO3 | BEN IRVING RESERVOIR |
| BKFO3 | BALD KNOB LOOKOUT RAWS NEAR AGNESS 10NNE |
| BLKO3 | BLACK MOUNTAIN RAWS NEAR MEACHAM 11NE |
| BLMO3 | BALM FORK NEAR HEPPNER 2SSE |
| BLUO3 | BLUE RIVER NEAR BLUE RIVER 1N |
| BLWO3 | BULL CREEK NEAR WILHOIT NEAR MOLALLA 16SSE |
| BLZO3 | BLAZED ALDER CREEK NEAR RHODEDENDRON NEAR SANDY 15ENE |
| BMFO3 | BULL RUN RIVER NEAR MULTNOMAH FALLS 7SE |
| BMOO3 | BEAR CREEK AT MOUTH NEAR CENTRAL POINT 8NW |
| BNFO3 | BURNT MOUNTAIN RAWS NEAR SITKUM 5NNW |
| BODO3 | BOULDER CREEK NEAR TOKETEE FALLS 8WNW |
| BOFO3 | BOULDER CREEK RAWS NEAR IDANHA 5SE |
| BONO3 | COLUMBIA RIVER BELOW BONNEVILLE DAM 1WSW |
| BOYO3 | KLAMATH RIVER BELOW JC BOYLE POWER PLANT NEAR KENO 10W |
| BQFO3 | BASQUE HILLS RAWS NEAR UKIAH 8NNE |
| BRBO3 | BREITENBUSH RIVER ABOVE FRENCH CREEK NEAR DETROIT 1NE |
| BRLO3 | BULL RUN LAKE NEAR BRIGHTWOOD 11NE |
| BRTO3 | BLUE RIVER BELOW TIDBITS CREEK NEAR BLUE RIVER 6NW |
| BRUO3 | BRUSH CREEK RAWS (EUGENE PORT) NEAR EUGENE 20NE |
| BRVO3 | BULL RUN RESERVOIR NO 1 NEAR CORBETT 10ESE |
| BTCO3 | BUTTE CREEK NEAR FOSSIL 4SE |
| BTFO3 | ROBERTS BUTTE RAWS NEAR WALLOWA 18NE |
| BTYO3 | SPRAGUE RIVER NEAR BEATTY 1E |
| BUCO3 | BUCKHORN SPRINGS RAWS NEAR ASHLAND 9SE |
| BULO3 | BULLY CREEK RESERVOIR NEAR VALE 8NW |
| BUMO3 | BUTTE CREEK AT MONITOR |
| BURO3 | BULL RUN RESERVOIR NO 2 NEAR BULL RUN 4ENE |
| BUSO3 | SILVIES RIVER NEAR BURNS 11NW |
| BWFO3 | BROWNS WELL RAWS NEAR BROTHERS 24SE |
| BYFO3 | BLUE CANYON RAWS NEAR BAKER 6SW |
| CAFO3 | CABIN LAKE RAWS NEAR FORT ROCK 8N |
| CALO3 | CALAPOOYA CREEK NEAR OAKLAND |
| CANO3 | MOLALLA RIVER NEAR CANBY 1S |
| CASO3 | CAMAS CREEK NEAR UKIAH 6E |
| CATO3 | CATHERINE CREEK AT UNION |
| CBAO3 | COLUMBIA RIVER AT PORT WESTWARD NEAR QUINCY 6N |
| CCRO3 | CLAY CREEK RAWS NEAR EUGENE 6WSW |
| CCTO3 | CANYON CREEK AT THISSELS RANCH NEAR CANYON CITY 9S |
| CDFO3 | CEDAR RAWS NEAR WILLAMINA 15NW |
| CEFO3 | CASE RAWS NEAR DALE 4SE |
| CENO3 | CENTRAL OREGON CANAL ABOVE PILOT BUTTE NEAR BEND 2S |
| CFGO3 | COLUMBIA COUNTY FAIRGROUNDS |
| CGFO3 | COLGATE RAWS NEAR SISTERS 3SW |
| CGRO3 | SOUTH FORK MCKENZIE RIVER NEAR RAINBOW |
| CHQO3 | NERRS WATER QUALITY SITE AT WINCHESTER SLOUGHT NEAR CHARLESTON |
| CHRO3 | CHARLOTTE RIDGE RAWS NEAR REEDSPORT 9ESE |
| CHSO3 | SPRAGUE RIVER NEAR CHILOQUIN |
| CHTO3 | CHETCO RIVER NEAR BROOKINGS 7NE |
| CIFO3 | CINNAMON RAWS NEAR DIAMOND LAKE 5NW |
| CKAO3 | CROOKED CREEK NEAR KLAMATH AGENCY |
| CKCO3 | CHICKEN CREEK NEAR SHERWOOD |
| CLFO3 | CLAIMUS RAWS NEAR CHILOQUIN 21NE |
| CMRO3 | MCKENZIE RIVER ABOVE SOUTH FORK NEAR RAINBOW 1W |
| CNCO3 | CANYON CREEK AT CANYON CITY |
| CNFO3 | CANNIBAL MOUNTAIN RAWS NEAR TIDEWATER 5SE |
| COCO3 | Clackamas River near Oregon City |
| COGO3 | COW CREEK ABOVE GALESVILLE RESERVOIR NEAR AZALEA 7NE |
| COQO3 | COQUILLE RIVER AT COQUILLE |
| CORO3 | WILLAMETTE RIVER AT CORVALLIS |
| COSO3 | USCRN SITE NEAR COOS BAY 8SW |
| COTO3 | COAST FORK WILLAMETTE RIVER BELOW COTTAGE GROVE DAM NEAR COTTAGE GROVE 6S |
| CPAO3 | CALAPOOIA RIVER AT ALBANY |
| CPFO3 | CRANE PRAIRIE RAWS NEAR SENECA 24E |
| CQFO3 | CHILOGUIN RAWS NEAR CHILOQUIN 2W |
| CRAO3 | DESCHUTES RIVER BELOW CRANE PRAIRIE RESERVOIR NEAR LA PINE 15NW |
| CRCO3 | CROOKED RIVER FEED CANAL NEAR PRINEVILLE |
| CREO3 | CRESCENT CREEK AT CRESCENT LAKE NEAR CRESCENT LAKE 1S |
| CRMO3 | CLEARWATER RIVER BELOW MOWICH CREEK NEAR TOKETEE FALLS 9ESE |
| CROO3 | CROOKED RIVER BELOW OPAL SPRINGS NEAR CULVER 5SW |
| CRPO3 | CROOKED RIVER ABOVE PRINEVILLE RESERVOIR NEAR POST 5W |
| CRSO3 | CROOKED RIVER AT SMITH ROCK S.P. NEAR TERREBONE 3E |
| CRYO3 | CRYSTAL CREEK NEAR ROCKY POINT |
| CSFO3 | COLD SPRINGS RAWS NEAR PAULINA 16NW |
| CSLO3 | COLD SPRINGS DAM NEAR HERMISTON 6NE |
| CSRO3 | COLD SPRINGS RECHARGE CANAL NEAR HERMISTON 6NE |
| CTCO3 | CULTUS CREEK ABOVE CRANE PRAIRIE RESERVOIR NEAR LA PINE 20NW |
| CTHO3 | CATHERINE CREEK NEAR UNION 6SE |
| CTRO3 | CRATER LAKE |
| CVFO3 | CALVERT PEAK AIRSTRIP RAWS NEAR GLENDALE 16WNW |
| CVSO3 | USCRN SITE NEAR CORVALLIS 10SSW |
| CWFO3 | CROW FLAT RAWS NEAR BURNS 18NNE |
| CWMO3 | COW CREEK BELOW MCCULLOUGH CREEK AT GLENDALE |
| CWQO3 | NERRS WATER QUALITY SITE AT SOUTH SLOUGH NEAR CHARLESTON |
| CWRO3 | CLEARWATER RIVER ABOVE TRAP CREEK NEAR TOKETEE FALLS 9E |
| DANO3 | DANNER |
| DBPO3 | DONNER UND BLITZEN RIVER BELOW PAGE SPRINGS DAM |
| DCHO3 | DAIRY CREEK AT HIGHWAY 8 NEAR HILLSBORO 3W |
| DCMO3 | DESCHUTES COUNTY MID CANAL NEAR BEND |
| DCSO3 | DRIFT CREEK NEAR SILVERTON 3SW |
| DCWO3 | DRIFT CREEK NEAR WALDPORT |
| DEBO3 | DESCHUTES RIVER BELOW BEND 1N |
| DECO3 | DESCHUTES RIVER NEAR CULVER 6SW |
| DEEO3 | DEER CREEK NEAR ROSEBURG |
| DEQO3 | BLOWOUT CREEK NEAR DETROIT 6S |
| DETO3 | DETROIT DAM NEAR DETROIT 5W |
| DEXO3 | MIDDLE FORK WILLIAMETTE NEAR DEXTER |
| DLEO3 | DILLON CANAL NEAR ECHO NEAR STANFIELD 1S |
| DLLO3 | TUALATIN RIVER NEAR DILLEY 1NNE |
| DONO3 | DONNER AND BLITZEN RIVER NEAR FRENCHGLEN 3SE |
| DORO3 | ROW RIVER AT DORENA DAM NEAR COTTAGE GROVE NEAR DORENA 4E |
| DRBO3 | DONNER UND BLITZEN RIVER BELOW SODHOUSE DAM NEAR CRANE 18SW |
| DREO3 | DREWS RESERVOIR NEAR LAKEVIEW |
| DRMO3 | DEER CREEK NEAR MCEWEN 3N |
| DRRO3 | ROW RIVER ABOVE PITCHER CREEK NEAR DORENA 1NW |
| DSNO3 | DESCHUTES RIVER BELOW SNOW CREEK NEAR LA PINE 17NW |
| DSRO3 | DODSON RAWS |
| DURO3 | FANNO CREEK AT DURHAM NEAR TUALATIN 1N |
| DVLO3 | DEVILS GRAVEYARD RAWS NEAR ELKTON 6NW |
| EBCO3 | EAST BIRCH CREEK AT PILOT ROCK EBCO |
| ECDO3 | ELK CREEK NEAR DRAIN |
| ECNO3 | NORTH FORK ECOLA CREEK (AKA ELK CREEK) NEAR CANNON BEACH 1ESE |
| ECWO3 | WEST FORK ECOLA CRK NEAR CANNON BEACH 2SE |
| EFAO3 | EAST FORK ASHLAND CREEK NEAR ASHLAND 3S |
| EFDO3 | EAST FORK DAIRY CREEK NEAR MEACHAM CORNER |
| EFIO3 | EAST FORK ILLINOIS RIVER NEAR TAKILMA NEAR OBRIEN 6SE |
| EGKO3 | EAGLE CREEK RAWS NEAR EAGLE CREEK 2ENE |
| EGLO3 | ROGUE RIVER AT DODGE BRIDGE NEAR EAGLE POINT 4NW |
| EKCO3 | ELK CREEK RAWS NEAR BAKER CITY 7SW |
| EKTO3 | UMPQUA RIVER NEAR ELKTON 4S |
| ELKO3 | ELK CREEK NEAR TRAIL 4NE |
| EMFO3 | EMIGRANT RAWS NEAR OAKRIDGE 22SE |
| EMIO3 | EMIGRANT LAKE AT DAM NEAR ASHLAND 6ESE |
| ENFO3 | EDEN RAWS NEAR WALLOWA 22 NNW |
| EPTO3 | ANTELOPE CREEK NEAR EAGLE POINT 4SW |
| ESTO3 | CLACKAMAS RIVER NEAR ESTACADA 1NNW |
| EUGO3 | WILLAMETTE RIVER AT EUGENE |
| EVFO3 | EVANS CREEK RAWS NEAR GOLD HILL 12NNE |
| EVWO3 | EVANS CREEK AT WIMER |
| FABO3 | FALL CREEK BELOW FALL CREEK DAM NEAR SWEET HOME |
| FAFO3 | FLAGSTAFF HILLS RAWS NEAR BAKER CITY 1N |
| FAIO3 | FAIRVIEW CREEK AT GLISAN ST NEAR GRESHAM, OR |
| FALO3 | FALL CREEK BELOW WINBERRY CREEK AT FALL CREEK DAM |
| FCBO3 | FIR CREEK NEAR BRIGHTWOOD 7N |
| FEFO3 | FIELDS RAWS NEAR OAKRIDGE 9ESE |
| FFFO3 | FISH FIN RAWS NEAR FRENCHGLEN 28SW |
| FGFO3 | P HILL (FRENCHGLEN RAWS) |
| FHCO3 | FISH CREEK ABOVE SIPPER CREEK NEAR TOKETEE FALLS 7SSE |
| FKFO3 | FORT ROCK RAWS NEAR FORT ROCK 13NE |
| FLFO3 | FOSTER FLAT RAWS NEAR FRENCHGLEN 19NE |
| FLKO3 | FISH LAKE DAM NEAR BUTTE FALLS 13SSE |
| FMCO3 | FOURMILE CANAL NEAR KLAMATH AGENCY |
| FMFO3 | FALL MOUNTAIN RAWS NEAR SENECA 8NNW |
| FMLO3 | FOURMILE LAKE NEAR ASHLAND NEAR KLAMATH FALLS 13NW |
| FNFO3 | FALL CREEK ABOVE NORTH FORK NEAR LOWELL 8ENE |
| FNNO3 | FANNO CREEK AT 56TH AVE AT PORTLAND OR |
| FNWO3 | FINLEY NATIONAL WILDLIFE REFUGE RAWS NEAR CORVALLIS 8S |
| FOSO3 | FOSTER RESERVOIR NEAR SWEET HOME 4ENE |
| FPRO3 | FLYNN PRAIRIE RAWS NEAR GOLD BEACH 3SE |
| FRMO3 | TUALATIN RIVER AT FARMINGTON NEAR HILLSBORO 4SSE |
| FRNO3 | LONG TOM RIVER NEAR ALVADORE AT FERN RIDGE DAM NEAR VENETA 6NNE |
| FSSO3 | NEHALEM RIVER NEAR FOSS NEAR MOHLER 6ESE |
| FURO3 | FURNISH CANAL NEAR ECHO |
| GALO3 | GALES CREEK NEAR FOREST GROVE 1SW |
| GARO3 | 10 METER WINDS NEAR GARIBALDI 2WNW |
| GASO3 | TUALATIN RIVER NEAR GASTON 2W |
| GCCO3 | GRANDE RONDE RIVER BELOW CLEAR CREEK NEAR STARKEY 12SSE |
| GCVO3 | GATE CREEK AT VIDA |
| GDFO3 | GRANDDAD BATTLE RAWS NEAR STEAMBOAT 9NE |
| GELO3 | GELLATLY RAWS NEAR BLODGETT 2ENE |
| GERO3 | GERBER RESERVOIR NEAR LORELLA 9NE |
| GIBO3 | UMATILLA RIVER ABOVE MEACHAM CREEK NEAR GIBBON 3NE |
| GILO3 | SOUTH FORK LITTLE BUTTE CREEK AT GILKEY NEAR LAKECREEK 10SE |
| GLNO3 | WEST FORK COW CREEK NEAR GLENDALE 11NW |
| GOSO3 | COAST FORK WILLAMETTE RIVER NEAR GOSHEN 3SE |
| GPFO3 | GOODWIN PEAK RAWS NEAR MAPLETON 8SSW |
| GPRO3 | GREEN PETER RESERVOIR NEAR SWEE |
| GRAO3 | ROGUE RIVER AT GRANTS PASS |
| GRBO3 | GERBER RESERVOIR RAWS NEAR BONANZA 14E |
| GREO3 | JOHNSON CREEK AT REGNER ROAD AT GRESHAM |
| GRWO3 | WAPATO CREEK AT SW GASTON ROAD, AT GASTON |
| GSFO3 | GRASSY MOUNTAIN RAWS NEAR ROME 18SE |
| GSVO3 | GALESVILLE RESERVOIR NEAR AZALEA 6NE |
| GZYO3 | GRIZZLY NEAR CULVER 14E |
| HARO3 | WILLAMETTE RIVER AT HARRISBURG |
| HATO3 | HYATT DAM AND RESERVOIR NEAR ASHLAND 12E |
| HCRO3 | M FK WILLAMETTE RIVER AT HILLS CREEK DAM NEAR OAKRIDGE 2SE |
| HHFO3 | HEHE BUTTE RAWS NEAR WARM SPRINGS 17NW |
| HODO3 | HOOD RIVER AT TUCKER BRIDGE NEAR HOOD RIVER 4SW |
| HONO3 | HONEY CR NR PLUSH,OR |
| HPCO3 | HOWARD PRAIRIE LAKE AND CANAL AT KEENE |
| HPPO3 | HOWARD PRAIRIE DAM NEAR ASHLAND 18ENE |
| HPRO3 | HEPPNER 5SSE |
| HPWO3 | HOWARD PRAIRIE DAM WEATHER STATION NEAR ASHLAND 15E |
| HRLO3 | HARL BUTTE RAWS NEAR JOSEPH 18E |
| HSDO3 | HAYSTACK DAM & RESERVOIR NEAR CULVER 3E |
| HSFO3 | HORSE CREEK RAWS NEAR MILL CITY 13NNE |
| HWLO3 | WILLOW CREEK ABOVE WILLOW CREEK LAKE NEAR HEPPNER 2SE |
| HYFO3 | HAYSTACK RAWS NEAR MADRAS 9S |
| ICLO3 | IRVING CREEK NEAR LENZ |
| IMHO3 | IMNAHA RIVER AT IMNAHA |
| IMNO3 | IMNAHA RIVER AT IMNAHA |
| IRFO3 | BRIAR RABBITT RAWS NEAR PAULINA 15NE |
| JASO3 | MIDDLE FORK WILLAMETTE RIVER AT JASPER |
| JBMO3 | JOHN DAY RIVER AT BLUE MOUNTAIN HOT SPRINGS NEAR PRAIRIE CITY 10SE |
| JCJO3 | JACKSON CREEK AT JACKSONVILLE |
| JCLO3 | JACKSON CREEK NEAR LENZ |
| JDMO3 | JOHN DAY RIVER AT MCDONALD FERRY NEAR WASCO 14E |
| JEFO3 | SANTIAM RIVER NEAR JEFFERSON 2WNW |
| JELO3 | JEWELL WILDLIFE MEADOWS NEAR JEWELL 1W |
| JFFO3 | SANTIAM RIVER AUX NEAR JEFFERSON 1W |
| JHNO3 | JOHN DAY RIVER NEAR JOHN DAY 3E |
| JPGO3 | JOHN DAY RIVER AT PICTURE GORGE NEAR DAYVILLE 6NW |
| JRFO3 | J RIDGE RAWS NEAR LA GRANDE 20SW |
| JUNO3 | ROGUE RIVER VALLEY CANAL BELOW JUNCTION NEAR SHADY GROVE 13NE |
| JWNO3 | NEHALEM RIVER AT JEWELL |
| KAHO3 | WARM SPRINGS RIVER NEAR KAHNEETA HOT SPRINGS 3E |
| KBFO3 | KELSEY BUTTE RAWS NEAR BEULAH 10E |
| KCMO3 | KELLOGG CREEK NEAR MILWAUKIE 1SE |
| KCPO3 | KELLEY CREEK AT SE 159TH DRIVE NEAR PORTLAND 8ESE |
| KEEO3 | KEENEY TWO RAWS NEAR JOHN DAY 17N |
| KELO3 | LOST RIVER AT KELLER BRIDGE NEAR BONANZA 5SE |
| KEOO3 | KLAMATH RIVER AT KENO 3W |
| KKFO3 | KLAMATH RIVER NEAR KLAMATH FALLS HWY 97 BRIDGE |
| KLAO3 | UPPER KLAMATH LAKE NEAR KLAMATH |
| KLLO3 | LINK RIVER AT KLAMATH FALLS |
| KMIO3 | KLAMATH RIVER AT MILLER ISLAND NEAR MIDLAND |
| KMRO3 | KLAMATH NWR NEAR SAND CREEK 12NW |
| KRBO3 | ILLINOIS RIVER NEAR KERBY 3NNW |
| KRKO3 | KLAMATH RIVER KENO RESERVOIR AT KENO |
| KSCO3 | SAND CREEK BELOW SAND CREEK CANAL NEAR CHINCHALO |
| KSDO3 | KLAMATH STRAITS DRAIN NEAR WORDEN |
| LAGO3 | LAGRANDE 16N RAWS |
| LAPO3 | LITTLE DESCHUTES RIVER NEAR LA PINE 1N |
| LARO3 | LITTLE APPLEGATE RIVER NEAR RUCH 3S |
| LBBO3 | LITTLE BUTTE CREEK AT BROWNSBORO |
| LBCO3 | LITTLE BUTTE CREEK AT LAKECREEK |
| LBEO3 | LITTLE BUTTE CREEK BELOW EAGLE POINT 1SW |
| LBFO3 | LAVA BUTTE RAWS NEAR BEND 9SW |
| LBGO3 | LITTLE BUTTE CREEK AT EAGLE POINT |
| LBUO3 | NORTH FORK LITTLE BUTTE CREEK CANAL NEAR EAGLE POINT 16ESE |
| LCCO3 | LARKIN CREEK NEAR CHILOQUIN |
| LEEO3 | LEES CAMP RAIN GAUGE |
| LGFO3 | LOG CREEK RAWS NEAR RHODODENDRON 12N |
| LGNO3 | GRANDE RONDE RIVER NEAR PERRY NEAR LA GRANDE 6WNW |
| LGPO3 | LONG PRAIRIE RAWS NEAR LANGLOIS 12NE |
| LMCO3 | LITTLE MCCOY CREEK RAWS |
| LNEO3 | LITTLE N SANTIAM RIVER ABOVE EVAN |
| LOBO3 | EAST FORK LOBSTER CREEK NEAR ALSEA 9S |
| LOCO3 | LOOKOUT CREEK NEAR BLUE RIVER |
| LOFO3 | HIGH POINT RAWS NEAR VENETA 11SSW |
| LONO3 | COAST FORK WILLAMETTE RIVER AT LONDON |
| LOPO3 | LOOKOUT POINT DAM AND RESERVOIR NEAR LOWELL 2E |
| LOSO3 | LOST CREEK DAM ON ROGUE RIVER NEAR TRAIL 7E |
| LRBO3 | LOST RIVER AT BONANZA |
| LRCO3 | LONE ROCK CREEK NEAR CONDON 18SE |
| LRHO3 | LOST RIVER AT HARPOLD DAM NEAR BONANZA 3SW |
| LRPO3 | LITTLE RIVER NEAR PEEL 1SE |
| LSNO3 | LITTLE SANDY RIVER NEAR BULL RUN 3E |
| LSRO3 | LOSTINE RIVER AT BAKER ROAD NEAR LOSTINE 4NW |
| LSTO3 | LOSTINE RIVER NEAR LOSTINE 4S |
| MABO3 | NORTH FORK MALHEUR RIVER ABOVE BEULAH RESERVOIR NEAR BEULAH 4NNW |
| MADO3 | MALHEUR RIVER ABOVE DREWSEY 3SE |
| MAOO3 | MALHEUR RIVER AT 36TH STREET BRIDGE NEAR ONTARIO 3WNW |
| MAXO3 | MAXWELL CANAL NEAR HERMISTON 4SW |
| MBMO3 | MILLER CREEK NEAR BEAVER MARSH |
| MCCO3 | MCCULLUGH RANCH WEATHER STATION NEAR POST 4SE |
| MCDO3 | MCDERMITT 26N |
| MCGO3 | MEACHAM CREEK NEAR GIBBON 1SE |
| MCKO3 | MCKAY CREEK NEAR PENDLETON 5S |
| MCLO3 | ROGUE RIVER NEAR MCLEOD 4E |
| MCMO3 | SOUTH YAMHILL RIVER AT MCMINNVILLE |
| MCZO3 | MCKENZIE RIVER NEAR WALTERVILLE 2E |
| MDCO3 | MEADOW CREEK ABOVE BEAR CREEK NEAR STARKEY 7W |
| MDOO3 | MEADOW CREEK BELOW DARK CANYON CREEK NEAR STARKEY 5W |
| MEFO3 | METOLIUS ARM RAWS NEAR WARM SPRINGS 21SW |
| MEHO3 | NORTH SANTIAM RIVER AT MEHAMA |
| METO3 | METOLIOUS RIVER NEAR GRANDVIEW NEAR MADRAS 17W |
| MFDO3 | BEAR CREEK AT MEDFORD |
| MFOO3 | MID FORK WILLAMETTE RIVER ABOVE HILLS CREEK RESERVOIR NEAR OAKRIDGE |
| MFSO3 | MID FORK WILLAMETTE ABV SALT CREEK NEAR OAKRIDGE |
| MGFO3 | MORGAN MOUNTAIN RAWS NEAR HUNTINGTON 12NNE |
| MIAO3 | MIAMI RIVER NEAR GARIBALDI 2NE |
| MIWO3 | JOHNSON CREEK AT MILWAUKIE |
| MKDO3 | MCKAY RESERVOIR NEAR PENDLETON 5S |
| MKLO3 | MCKENZIE RIVER NEAR LEASBURG |
| MLBO3 | BIG BUTTE CREEK NEAR MCLEOD |
| MLCO3 | MILL CREEK NEAR PRINEVILLE 13NE |
| MLFO3 | MERLIN SEED ORCHARD RAWS NEAR GRANTS PASS 8NE |
| MLLO3 | MILLER RAWS NEAR CLATSKANIE 8SSW |
| MLSO3 | METOLIUS RIVER ABOVE ALLINGHAM GUARD STATION NEAR SISTERS 11NW |
| MMFO3 | MUTTON MOUNTAIN RAWS NEAR WARM SPRINGS 11NNW |
| MMRO3 | MIDDLE MOUNTAIN RAWS NEAR PARKDALE 4N |
| MNMO3 | MINAM RIVER AT MINAM |
| MNRO3 | LONG TOM RIVER AT MONROE |
| MOCO3 | MCKENZIE RIVER AT OUTLET OF CLEAR LAKE NEAR SWEET HOME 30E |
| MODO3 | DESCHUTES RIVER AT MOODY NEAR BIGGS 12ESE |
| MONO3 | NORTH FORK JOHN DAY RIVER AT MONUMENT |
| MOWO3 | MOLALLA RIVER NEAR WILHOIT |
| MPLO3 | SIUSLAW RIVER NEAR MAPLETON 2NNW |
| MREO3 | MALHEUR RESERVOIR NEAR MALHEUR |
| MRGO3 | MCKENZIE RIVER NEAR COBURG 2SE |
| MRHO3 | MCKENZIE RIVER ABOVE HAYDEN BRIDGE NEAR SPRINGFIELD 2ENE |
| MRRO3 | MOMPANO RESRVOIR ON ABERNATHY CREEK NEAR REDLAND 2S |
| MSCO3 | MIDDLE SANTIAM RIVER NEAR CASCADIA 10NE |
| MSFO3 | MOUNT STELLA RAWS NEAR UNION CREEK 2N |
| MSGO3 | MIDDLE SANTIAM RIVER BELOW GREEN PETER DAM NEAR FOSTER |
| MSRO3 | MOSIER CREEK NEAR MOSIER 3SE |
| MTNO3 | MOUNTAIN CREEK NEAR MITCHELL 6ESE |
| MUCO3 | MURDERERS CREEK NEAR DAYVILLE |
| MULO3 | NORTH UMPQUA RIVER ABOVE WHITE MULE CREEK NEAR LEMOLO LAKE RESORT 1NNW |
| MUSO3 | MCKENZIE RIVER NEAR BELKNAP SPRINGS NEAR UPPER SODA 15SE |
| MYKO3 | MCKAY CREEK NEAR PILOT ROCK 6NE |
| MYNO3 | NORTH FORK COQUILLE RIVER NEAR MYRTLE POINT 2 ENE |
| MYPO3 | SOUTH FORK COQUILLE RIVER AT MYRTLE POINT |
| NBKO3 | NORTH BANK RAWS NEAR SUTHERLIN 7ESE |
| NBRO3 | NORTH FORK BULL RUN RIVER NEAR MULTNOMAH FALLS 7SE |
| NEBO3 | WILLAMETTE RIVER AT NEWBERG OR |
| NFBO3 | NORTH FORK LITTLE BUTTE CREEK BELOW FISH LAKE NEAR EAGLE POINT 32ESE |
| NFOO3 | MIDDLE FORK WILLAMETTE RIVER NR OAKRIDGE OR |
| NFSO3 | NORTH FORK BURNT RIVER ABOVE SECOND CREEK |
| NFWO3 | NORTH FORK WALLA WALLA RIVER NEAR MILTON-FREEWATER 9ESE |
| NLBO3 | NORTH FORK LITTLE BUTTE CREEK AT HIGHWAY 140 NEAR EAGLE POINT 13ESE |
| NMFO3 | NORTH FORK OF MIDDLE FORK WILLAMETTE RIVER NEAR OAKRIDGE 2WNW |
| NOTO3 | LONG TOM RIVER NEAR NOTI 1SE |
| NPFO3 | NORTH POLE RIDGE RAWS NEAR FOSSIL 11NE |
| NPRO3 | NORTH POWDER RIVER NEAR NORTH POWDER 7W |
| NRNO3 | NEHALEM RIVER AT NEHALEM, OR |
| NSBO3 | NORTH FORK SPRAGUE RIVER ABOVE SRIC CN NEAR BLY 6NNE |
| NSGO3 | NORTH SANTIAM RIVER AT GREENS BRIDGE NEAR JEFFERSON 2E |
| NTPO3 | RANGER STATION NEAR ENTERPRISE 1W |
| NUMO3 | N UMPQUA RIVER ABOVE COPELAND CREEK |
| NUSO3 | NORTH UMPQUA RIVER BELOW SLIDE CREEK NEAR TOKETEE FALLS 4NW |
| NUTO3 | NORTH UMPQUA RIVER NEAR TOKETEE FALLS 4NW |
| NUWO3 | NORTH UMPQUA RIVER BELOW WARM SPRINGS CREEK NEAR TOKETEE FALLS 18NE |
| NYFO3 | NORTH YAMHILL RIVER NEAR FAIRDALE 2WNW |
| NYMO3 | NORTH UNIT MAIN CANAL NEAR BEND 2N |
| OAKO3 | MIDDLE FORK WILLAMETTE RIVER BELOW NORTH FORK NEAR OAKRIDGE 7NW |
| OCDO3 | OCHOCO RESERVOIR NEAR PRINEVILLE 6E |
| OCHO3 | OCHOCO CREEK BELOW OCHOCO DAM NEAR PRINEVILLE 6E |
| OCRO3 | OCHOCO CREEK ABOVE RESERVOIR NEAR PRINEVILLE 13E |
| OCUO3 | OREGON CITY ABOVE WILLAMETTE FALLS |
| OCWO3 | OCHOCO RANGER STATION NEAR PRINEVILLE 21NE |
| OGCO3 | OAK GROVE FORK NEAR GOVERNMENT CAMP 15SSW |
| OGRO3 | OAK GROVE FORK AT RIPPLEBROOK CG NEAR ESTACADA 20SE |
| OKFO3 | BLACK ROCK RAWS NEAR CRESCENT 7NW |
| OKPO3 | OAK GROVE FORK ABOVE POWERPLANT INTAKE NEAR ESTACADA 24SE |
| OMFO3 | ONION MOUNTAIN #2 RAWS NEAR GRANTS PASS 17WNW |
| OOFO3 | MOON HILL RAWS NEAR FRENCHGLEN 12ENE |
| ORCO3 | WILLAMETTE RIVER BELOW OREGON CITY FALLS |
| ORNO3 | ORDNANCE CANAL NEAR HERMISTON 7SW |
| OWFO3 | OWYHEE RIDGE RAWS NEAR ADRAIN 13SW |
| OWYO3 | LAKE OWHEE AND OWYHEE RIVER NEAR ADRRIAN 11SW |
| OYFO3 | HOYT CREEK RAWS NEAR SILVER LAKE 21SW |
| PAFO3 | PATJENS RAWS NEAR MAUPIN 7ESE |
| PAIO3 | CHEWAUCAN RIVER NEAR PAISLEY 1W |
| PDTO3 | UMATILLA RIVER AT PENDLETON |
| PDUO3 | UMATILLA RIVER AT WEST RESERVATION BOUNDARY NEAR PENDLETON 3E |
| PEFO3 | PEBBLES RAWS NEAR MCKENZIE BRIDGE 1S |
| PHIO3 | MARYS RIVER NEAR PHILOMATH 2SE |
| PHLO3 | MASON DAM & PHILLIPS LAKE NEAR BAKER 10SW |
| PICO3 | BUTTER CREEK NEAR PINE CITY NEAR HEPPNER 17NE |
| PKFO3 | BUCKEYE BUTTE RAWS NEAR TILLER 5E |
| POWO3 | SOUTH FORK COQUILLE RIVER AT POWERS |
| PPFO3 | POINT PROMINENCE RAWS NEAR UNION 13NW |
| PRFO3 | PROVOLT SEED ORCHARD RAWS NEAR KERBY 8W |
| PRHO3 | POWDER RIVER AT HUDSPETH LANE NEAR SUMPTER 6SE |
| PRIO3 | PRINEVILLE 4NW |
| PROO3 | PILOT ROCK 11E RAIN |
| PRRO3 | POWDER RIVER NEAR RICHLAND 1S |
| PRTO3 | Willamette River at Portland |
| PRVO3 | CROOKED RIVER NEAR PRINEVILLE 13S |
| PTFO3 | COFFEE POT FLAT RAWS NEAR PAISLEY 14NNW |
| PTVO3 | POWDER RIVER ABOVE THIEF VALLEY RESERVOIR 4NE |
| PUWO3 | PUDDING RIVER NEAR WOODBURN |
| PVDO3 | PRINEVILLE RESERVOIR NEAR PRINEVILLE 13SSE |
| PWDO3 | POWDER RIVER AT BAKER |
| PYFO3 | POLLY RAWS NEAR PARKDALE 8SE |
| QCCO3 | QUARTZVILLE CREEK NEAR CASCADIA 10N |
| QPFO3 | QUAIL PRAIRIE #2 RAWS NEAR BROOKINGS 17NE |
| RCBO3 | ROCK CREEK AT VERNONIA |
| RCRO3 | ROCK CREEK RAWS NEAR FRENCHGLEN 17WSW |
| RDLO3 | COW CREEK NEAR RIDDLE 4SW |
| REEO3 | UMPQUA RIVER AT REEDSPORT |
| RFHO3 | ROGUE RIVER AT COLE M RIVERS FISH HATCHERY NEAR TRAIL 6ENE |
| RHEO3 | RHEA CREEK NEAR HEPPNER 7SW |
| RKHO3 | ROCKHOUSE 1 RAWS NEAR DALLAS 8W |
| RKYO3 | UPPER KLAMATH LAKE AT ROCKY POINT |
| RLFO3 | RIDDLE MOUNTAIN RAWS NEAR FRENCHGLEN 25NE |
| RLYO3 | USCRN SITE AT NORTHERN GREAT BASIN EXPERIMENTAL RANGE NEAR RILEY 10WSW |
| RMFO3 | RED MOUND RAWS NEAR BROOKINGS 5NNW |
| RNFO3 | ROUND MOUNTAIN RAWS NEAR LA PINE 11NW |
| ROKO3 | ROCK CREEK NEAR HAINES 8W |
| ROMO3 | OWYHEE RIVER NEAR ROME 2N |
| RRHO3 | ROGUE RIVER AT HWY 101 BRIDGE NEAR GOLD BEACH 1NE |
| RTFO3 | RED BUTTE RAWS NEAR RIVERSIDE 17E |
| RTLO3 | UPPER KLAMATH LAKE AT RATTLESNAKE POINT NEAR KLAMATH FALLS 9NNW |
| RTRO3 | MIDDLE FORK JOHN DAY RIVER AT RITTER |
| RUNO3 | BULL RUN RIVER NEAR BULL RUN NEAR SANDY 5NE |
| RWXO3 | RIPPLEBROOK HELIPAD WEATHER STATION |
| RXFO3 | RED BOX RAWS NEAR GOVERNMENT CAMP 18SSW |
| RYGO3 | ROGUE RIVER AT RAYGOLD DAM NEAR CENTRAL POINT 6NW |
| SAFO3 | SPARTA BUTTE RAWS NEAR RICHLAND 16NW |
| SBDO3 | SEVENMILE CREEK BELOW DRY CREEK |
| SBFO3 | ILLINOIS VALLEY AIRPORT RAWS NEAR CAVE JUNCTION 4SSW |
| SBRO3 | SOUTH FORK BULL RUN RIVER NEAR BULL RUN 6NE |
| SBXO3 | STANFIELD BRANCH EXCHANGE CANAL NEAR HERMISTON 7NE |
| SCCO3 | SPRING CREEK NEAR CHILOQUIN |
| SCGO3 | SAIN CR NR GASTON |
| SCLO3 | SCOGGINS CREEK ABOVE HENRY HAGG LAKE NEAR FOREST GROVE 7WSW |
| SCNO3 | SYCAN RIVER NEAR BEATTY 3N |
| SCOO3 | SCOGGINS CREEK BELOW HENRY HAGG LAKE NEAR GASTON 4NW |
| SCRO3 | STEAMBOAT CREEK NEAR GLIDE 19NE |
| SCSO3 | SILVER CREEK NEAR SILVERTON |
| SCVO3 | SUNSHINE CREEK NEAR LOGSDEN 5NNE |
| SDFO3 | SELDOM CREEK RAWS NEAR CHILOQUIN 18SW |
| SERO3 | JOHN DAY RIVER AT SERVICE CREEK NEAR SPRAY 10WSW |
| SFCO3 | SOUTH FORK MCKENZIE RIVER ABOVE COUGER LAKE NEAR RAINBOW NEAR BLUE RIVER 10SE |
| SFJO3 | SOUTH FORK JOHN DAY RIVER NEAR DAYVILLE 3S |
| SFKO3 | SOUTH FORK RAWS NEAR TILLAMOOK 15ENE |
| SFLO3 | SOUTH FORK LITTLE BUTTE CREEK AT MOUTH NEAR LAKECREEK 1ESE |
| SFMO3 | SOUTH FORK MALHEUR RIVER NEAR RIVERSIDE |
| SFSO3 | SOUTH FORK NECANICUM RIVER NEAR SEASIDE 8SE |
| SGFO3 | SUGARLOAF RAWS NEAR OAKRIDGE 12SW |
| SGRO3 | STAR GULCH NEAR RUCH 5SSW |
| SHFO3 | SAGE HEN RAWS NEAR BURNS 14SW |
| SHIO3 | SHITIKE CREEK AT PETERS PASTURE NEAR WARM SPRINGS 18W |
| SHRO3 | USCRN SITE AT JOHN DAY NM SHEEP ROCK UNIT NEAR JOHN DAY 35WNW |
| SILO3 | SILETZ RIVER NEAR SILETZ 2E |
| SJNO3 | SNAKE RIVER AT JOHNSON BAR NEAR IMNAHA 16SE |
| SKAO3 | SEVENMILE CANAL AT DIKE ROAD BRIDGE NEAR KLAMATH AGENCY |
| SKRO3 | SUN CREEK AT RANGER STA |
| SLCO3 | SCHAFER CREEK NEAR LACOMB 8E |
| SLFO3 | SLIDE MOUNTAIN RAWS NEAR MITCHELL 10SW |
| SLKO3 | SUMMER LAKE RAWS |
| SLMO3 | WILLAMETTE RIVER AT SALEM |
| SLOO3 | NERRS WATER QUALITY SITE AT SOUTH SLOUGH ELLIOT CREEK |
| SLPO3 | SPRAGUE RIVER AT LONE PINE NEAR SPRAGUE RIVER 9NW |
| SLTO3 | SALT CREEK - PRINVILLE PORT RAWS NEAR POST 12SW |
| SMCO3 | SEVEN MILE CREEK RAWS NEAR COQUILLE 5NW |
| SMFO3 | SUMMIT RAWS NEAR LAKEVIEW 5E |
| SNDO3 | SANDY RIVER BELOW BULL RUN RESERVOIR NEAR BULL RUN 4N |
| SNRO3 | SILVER CREEK BELOW NICHOL CREEK NEAR RILEY 12NW |
| SNTO3 | NERRS METEOROLOGICAL SITE AT SOUTH SLOUGH TOM'S CREEK NEAR CHARLESTON 4S |
| SOQO3 | NERRS WATER QUALITY SITE AT VALINO ISLE |
| SPBO3 | SOUTH FORK SPRAGUE RIVER AT SPRAGUE RIVER PARK NEAR BLY 4SE |
| SPGO3 | SPRAGUE RIVER BELOW BROWN CREEK NEAR BEATTY 19WNW |
| SPKO3 | SPENCER CREEK NEAR KENO |
| SPRO3 | MOHAWK RIVER NEAR SPRINGFIELD 4NE |
| SPSO3 | SPOUT SPRINGS SKI LODGE PRECIPITATION SITE NEAR TOLLGATE NEAR ELGIN 14NNW |
| SQFO3 | ACORN WOMAN PEAK NEAR ASHLAND 18SW |
| SQKO3 | WHYCHUS CREEK NEAR SISTERS 4S |
| SQSO3 | WHYCHUS CREEK AT SISTERS |
| SRMO3 | SANDY RIVER BELOW MARMOT DAM NEAR MARMOT NEAR SANDY |
| SRPO3 | SOUTH FORK ROGUE RIVER NEAR PROSPECT 6SE |
| SRRO3 | SALMON RIVER BELOW SLICK ROCK CREEK AT ROSE LODGE |
| SRSO3 | STEAMBOAT RANGER STATION NEAR GLIDE 14E |
| SRTO3 | SILVIES RIVER NEAR TROUT CREEK 1WSW |
| SSBO3 | SOUTH FORK SPRAGUE RIVER BELOW FISHHOLE CREEK NEAR BLY 2NW |
| SSFO3 | SOUTH SANTIAM RIVER NEAR FOSTER 1W |
| SSNO3 | NERRS WATER QUALITY SITE AT SOUTH SLOUGH NORTH SPIT NEAR NORTH BEND 2WNW (CTCLUSI) |
| SSPO3 | NORTH UMPQUA RIVER BELOW SODA SPRINGS NEAR TOKETEE FALLS 6NW |
| STAO3 | STRAWBERRY CREEK NEAR PRAIRIE CITY 7SSE |
| STFO3 | STRAW RAWS NEAR LAKEVIEW 26W |
| STSO3 | SCOTT CREEK BELOW SAND CREEK CANAL NEAR CHINCHALO |
| SUMO3 | SOUTH UMPQUA RIVER AT MELROSE, |
| SUSO3 | SMITH RIVER ABOVE TRAIL BRIDGE RESERVOIR NEAR BELKNAP SPRINGS 14SE |
| SUVO3 | LUCKIAMUTE RIVER NEAR SUVER 3NW |
| SVFO3 | SILVER BUTTE RAWS NEAR CANYONVILLE 3SW |
| SVRO3 | SILVER CREEK NEAR SILVER LAKE |
| SVSO3 | SILVIES RIVER BELOW SODA SPRINGS 3SSE |
| SWCO3 | SWALLEY CANAL NEAR BEND 1N |
| SYCO3 | JOHNSON CREEK AT SYCAMORE NEAR GRESHAM 3W |
| SYNO3 | JORDAN RAWS |
| TARO3 | TANNER RAWS |
| TCFO3 | TROUT CREEK RAWS NEAR VIDA 3S |
| TDAO3 | COLUMBIA RIVER AT THE DALLES, OR |
| TFCO3 | TUMALO FEED CANAL NEAR BEND 3NW |
| TGCO3 | TUALATIN RIVER AT GOLF COURSE ROAD NEAR CORNELIUS 1S |
| TGRO3 | TIGER CANYON WEATHER STATION NEAR MILTON-FREEWATER 18E |
| THFO3 | THIEF VALLEY DAM AND RESERVOIR NEAR NORTH POWDER 7SE |
| TIDO3 | ALSEA RIVER NEAR TIDEWATER 4SE |
| TILO3 | SOUTH UMPQUA RIVER AT TILLER |
| TKTO3 | NORTH UMPQUA RIVER AT TOKETEE FALLS |
| TLFO3 | TUALATIN RIVER BELOW LEE FALLS NEAR GASTON 6WNW |
| TLMO3 | WILSON RIVER NEAR TILLAMOOK 8ENE |
| TLPO3 | TROUT CREEK NEAR LONE PINE |
| TLYO3 | THREE LYNX |
| TMFO3 | TIMOTHY RAWS NEAR FORT ROCK 17SW |
| TMKO3 | TILLAMOOK RAWS NEAR TILLAMOOK 2E |
| TMRO3 | TUMALO RIDGE RAWS NEAR BEND 5W |
| TOFO3 | TOKETEE RAWS NEAR DIAMOND LAKE 15NW |
| TPEO3 | TEPEE DRAW RAWS NEAR BEND 19SE |
| TRAO3 | TRASK RIVER ABOVE CEDAR CREEK NEAR TILLAMOOK 7E |
| TRBO3 | MCKENZIE RIVER BELOW TRAIL BRIDGE NEAR BELKNAP SPRINGS 9NE |
| TRFO3 | SIGNAL TREE RAWS NEAR CAMAS VALLEY 5SW |
| TROO3 | TROUT CREEK NEAR FIELDS 13SE |
| TRRO3 | TUALATIN RIVER AT ROOD BRIDGE ROAD NEAR HILLSBORO 1S |
| TRSO3 | THOMAS CREEK NEAR SCIO 4SE |
| TRYO3 | GRANDE RONDE RIVER AT TROY |
| TUAO3 | TUALATIN RIVER AT TUALATIN |
| TUCO3 | TUCCA CREEK NEAR BLAINE NEAR BEAVER 11ENE |
| TUFO3 | TUPPER RAWS NEAR HARDMAN 12SE |
| TWRO3 | TIDEWATER RAWS NEAR JEWELL 6NNW |
| TYCO3 | TRYON CREEK ABOVE NETTLE CREEK NEAR LAKE OSWEGO 2N |
| UKIO3 | UKIAH RAIN |
| UMAO3 | UMATILLA RIVER NEAR UMATILLA, O |
| UMDO3 | UMATILLA RIVER BELOW DILLON DIVERSION NEAR STANFIELD |
| UMMO3 | UMATILLA RIVER BELOW MAXWELL DIVERSON NEAR HERMISTON 2WSW |
| UMTO3 | UMATILLA RAWS NEAR IRRIGON 3NW |
| UMUO3 | UMATILLA RIVER BELOW FEED CANAL NEAR ECHO 2SSE |
| UNYO3 | UNITY DAM AND BURNT RESERVOIR NEAR UNITY 4N |
| VALO3 | MALHEUR RIVER BELOW NEVADA DAM NEAR VALE 2E |
| VCFO3 | VILLAGE CREEK RAWS NEAR NOTI 10NNW |
| VENO3 | NEHALEM RIVER NEAR VERNONIA 7SW |
| VIAO3 | VERNONIA |
| VIDO3 | MCKENZIE RIVER NEAR VIDA 5E |
| WACO3 | WOOD RIVER ABOVE CROOKED CREEK NEAR KLAMATH |
| WADO3 | CLEAR LAKE AT WASCO DAM NEAR GOVERNMENT CAMP 9SSE |
| WALO3 | WALLOWA LAKE NEAR JOSEPH 2S |
| WARO3 | MALHEUR RIVER BELOW WARM SPRINGS RESERVOIR NEAR RIVERSIDE 4NW |
| WASO3 | WILLIAMSON RIVEr ABOVE SPRING CREEK |
| WAWO3 | WILLAMINA CREEK NEAR WILLAMINA 4N |
| WBCO3 | WEST BIRCH CREEK AT PILOT ROCK |
| WBSO3 | WOOD RIVER BELOW SUN CREEK |
| WBWO3 | WALLOWA RIVER BELOW WATER CANYON NEAR WALLOWA 5NW |
| WCCO3 | WILLOWA RIVER ABOVE CROSS COUNTY CANAL NEAR ENTERPRISE 6NW |
| WCLO3 | WINBERRY CREEK NEAR LOWELL 5E |
| WCTO3 | WAGNER CREEK MOUTH AT TALENT |
| WFHO3 | WEST FORK HOOD RIVER NEAR DEE 1NNW |
| WICO3 | WICKIUP RESERVOIR NEAR LAPINE |
| WILO3 | WILLOW CREEK BELOW DAM NEAR HEPPNER 1SE |
| WIMO3 | WILLOW CREEK AT MORGAN STREET AT HEPPNER |
| WKAO3 | WILLAMSON RIVER NEAR KLAMATH AGENCY 8NNE |
| WKFO3 | WILKINSON RIDGE RAWS NEAR ALSEA 5SW |
| WLAO3 | SOUTH YAMHILL RIVER NEAR WILLAMINA 2SW |
| WLEO3 | WALLOWA RIVER AT ENTERPRISE |
| WLOO3 | WILLOW CREEK LAKE AT HEPPNER, OR |
| WMFO3 | WAMIC MILLS RAWS NEAR TYGH VALLEY 14W |
| WMNO3 | WILLIAMSON RIVER NEAR CHILOQUIN 30NNE |
| WMPO3 | WILLIAMSON RIVER AT MODOC POINT ROAD NEAR CHILOQUIN 5SW |
| WMSO3 | WILLIAMSON RIVER BELOW SPRAGUE RIVER NEAR CHILOQUIN 1SW |
| WNKO3 | WINCHUCK RIVER NEAR BROOKINGS 5SE |
| WNRO3 | NORTH UMPQUA RIVER NEAR WINCHESTER 3W |
| WPKO3 | WANDERER'S PEAK RAWS NEAR COLTON 10ESE |
| WREO3 | WILLAMETTE RIVER AT OWOSSO BRIDGE AT EUGENE |
| WRKO3 | WOOD RIVER NEAR KLAMATH AGENCY |
| WRMO3 | WARM SPRINGS DAM & RESERVOIR NEAR RIVERSIDE 5NW |
| WRNO3 | WARRENDALE WATER QUALITY STATION |
| WRSO3 | WILLIAMSON RIVER ABOVE SPRAGUE RIVER AT CHILOQUIN |
| WSBO3 | WASCO BUTTE RAWS NEAR THE DALLES 6W |
| WSFO3 | MOUNT WILSON RAWS NEAR GOVERNMENT CAMP 20SE |
| WSLO3 | TUALATIN RIVER NEAR WEST LINN 1WNW |
| WSNO3 | SOUTH UMPQUA RIVER NEAR WINSTON 1N |
| WSRO3 | WARM SPRINGS BASE RAWS NEAR WARM SPRINGS 1E |
| WTFO3 | WAGONTIRE RAWS NEAR RILEY 21SE |
| WTLO3 | SOUTH SANTIAM RIVER AT WATERLOO |
| WTSO3 | WILSON RIVER AT SOLLIE SMITH BRIDGE AT TILLAMOOK |
| WUPO3 | WICKIUP DAM |
| WWCO3 | WILLOW CREEK RAWS NEAR EUGENE 4WSW |
| YEFO3 | YELLOWSTONE MOUNTAIN RAWS NEAR SWEET HOME 21NE |
| YLPO3 | YELLOWPINE RAWS NEAR UNITY 9NW |
| YNFO3 | MOUNT YONCALLA RAWS NEAR DRAIN 1S |
| YOKO3 | UMATILLA RIVER AT YOAKUM NEAR PENDLETON 12W |
| YRCO3 | YAQUINA RIVER NEAR CHITWOOD 1W |
| YRYO3 | YACHATS RIVER NEAR YACHATS 4E |
