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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 14192500 SOUTH YAMHILL RIVER NEAR WILLAMINA, OREG.
Polk County, Oregon
Hydrologic Unit Code 17090008
Latitude  45°02'50", Longitude 123°30'10" NAD27
Drainage area 133  square miles
Gage datum 235.55 feet above NGVD29
Output formats
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HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
4661993-12-17 10:26PSTYesVMD/DKZUSGS5902.520.001.20GoodClearNONE1Imported Channel 1CRANunspeunkno59085.02102.80UNSPUNSPUNSPunknUNSPUNSPUNSP
4651993-10-04 17:12PDTYesVMDUSGS12.10.500.001.00PoorClearNONE1Imported Channel 1WADEunspeunkno12.179.049.60.24UNSPUNSPUNSPunknUNSPUNSPUNSP
4641993-08-13 10:14PDTYesVMD/DKZUSGS34.20.730.001.30FairClearNONE1Imported Channel 1WADEunspeunkno34.289.673.60.46UNSPUNSPUNSPunknUNSPUNSPUNSP
4631993-06-17 08:55PDTYesVMDUSGS2141.600.001.10FairClearNONE1Imported Channel 1WADEunspeunkno21478.01511.42UNSPUNSPUNSPunknUNSPUNSPUNSP
4621993-04-29 10:33PDTYesVMDUSGS9143.200.021.50GoodClearNONE1Imported Channel 1CRANunspeunkno91490.02633.48UNSPUNSPUNSPunknUNSPUNSPUNSP
4611993-02-25 08:35PSTYesVMDUSGS1871.430.001.50GoodClearNONE1Imported Channel 1CRANunspeunkno18782.01191.57UNSPUNSPUNSPunknUNSPUNSPUNSP
4601992-12-16 13:45PSTYesVMD/DMCUSGS7032.790.011.20FairClearNONE1Imported Channel 1CRANunspeunkno70387.02063.23UNSPUNSPUNSPunknUNSPUNSPUNSP
4591992-10-21 10:30PDTYesDMCUSGS1261.240.000.90PoorDebrisModerateNONE1Imported Channel 1WADEunspeunkno12683.095.21.32UNSPUNSPUNSPunknUNSPUNSPUNSP
4581992-07-31 13:55PDTYesDMCUSGS9.010.41-0.010.60PoorClearNONE1Imported Channel 1WADEunspeunkno9.0170.024.60.37UNSPUNSPUNSPunknUNSPUNSPUNSP
4571992-06-29 09:00PDTYesDMCUSGS32.40.730.000.90FairClearNONE1Imported Channel 1WADEunspeunkno32.493.046.60.70UNSPUNSPUNSPunknUNSPUNSPUNSP
4561992-04-23 11:00PDTYesDMCUSGS4722.360.000.80FairClearNONE1Imported Channel 1CRANunspeunkno47283.01772.67UNSPUNSPUNSPunknUNSPUNSPUNSP
4551992-02-13 12:55PSTYesDMCUSGS3912.070.000.80FairClearNONE1Imported Channel 1CRANunspeunkno39183.01642.34UNSPUNSPUNSPunknUNSPUNSPUNSP
4541991-12-05 13:30PSTYesDMC/GWOUSGS7432.840.051.00GoodClearNONE1Imported Channel 1CRANunspeunkno74386.02363.51UNSPUNSPUNSPunknUNSPUNSPUNSP
4531991-10-10 14:10PDTYesGWOUSGS9.750.440.000.70PoorClearNONE1Imported Channel 1WADEunspeunkno9.7532.024.30.40UNSPUNSPUNSPunknUNSPUNSPUNSP
4521991-08-12 15:50PDTYesGWOUSGS17.70.570.000.80PoorClearNONE1Imported Channel 1WADEunspeunkno17.768.545.80.39UNSPUNSPUNSPunknUNSPUNSPUNSP
4511991-06-05 14:30PDTYesGWOUSGS1481.320.000.80FairClearNONE1Imported Channel 1WADEunspeunkno14883.01051.41UNSPUNSPUNSPunknUNSPUNSPUNSP
4501991-04-18 13:00PDTYesGWOUSGS4672.230.000.90GoodClearNONE1Imported Channel 1CRANunspeunkno46785.01802.59UNSPUNSPUNSPunknUNSPUNSPUNSP
4491991-02-28 12:20PSTYesGWOUSGS4392.170.001.00GoodClearNONE1Imported Channel 1CRANunspeunkno43984.01742.52UNSPUNSPUNSPunknUNSPUNSPUNSP
4481990-12-04 08:50PSTYesGWO/DMCUSGS17004.400.340.90FairClearNONE1Imported Channel 1CRANunspeunkno170088.03634.68UNSPUNSPUNSPunknUNSPUNSPUNSP
4471990-10-12 10:00PDTYesGWO/JMCUSGS21.50.640.000.80FairClearNONE1Imported Channel 1WADEunspeunkno21.579.242.40.51UNSPUNSPUNSPunknUNSPUNSPUNSP
4461990-08-29 12:20PDTYesGWOUSGS22.40.630.001.00PoorClearNONE1Imported Channel 1WADEunspeunkno22.489.01270.18UNSPUNSPUNSPunknUNSPUNSPUNSP
4451990-06-06 11:00PDTYesGWOUSGS2691.75-0.010.80FairDebrisLightNONE1Imported Channel 1WADEunspeunkno26981.01322.04UNSPUNSPUNSPunknUNSPUNSPUNSP
4441990-04-11 11:45PDTYesGWOUSGS1561.330.001.20GoodClearNONE1Imported Channel 1WADEunspeunkno15692.01910.82UNSPUNSPUNSPunknUNSPUNSPUNSP
4431990-02-08 13:00PSTYesGWOUSGS35706.410.171.80GoodClearNONE1Imported Channel 1CRANunspeunkno35701126305.67UNSPUNSPUNSPunknUNSPUNSPUNSP
4421989-12-11 10:40PSTYesGWOUSGS6952.82-0.021.50GoodClearNONE1Imported Channel 1CRANunspeunkno69586.02293.03UNSPUNSPUNSPunknUNSPUNSPUNSP
4411989-10-04 12:00PDTYesGWO/RLKUSGS12.60.530.000.80FairDebrisLightNONE1Imported Channel 1WADEunspeunkno12.686.01210.10UNSPUNSPUNSPunknUNSPUNSPUNSP
4401989-08-03 10:20PDTYesGWOUSGS48.70.85-0.011.10GoodClearNONE1Imported Channel 1WADEunspeunkno48.789.51440.34UNSPUNSPUNSPunknUNSPUNSPUNSP
4391989-05-31 10:30PDTYesGWOUSGS1081.140.001.90GoodClearNONE1Imported Channel 1WADEunspeunkno10891.01790.60UNSPUNSPUNSPunknUNSPUNSPUNSP
4381989-03-30 08:47PSTYesGWOUSGS12003.36-0.021.30FairDebrisLightNONE1Imported Channel 1CRANunspeunkno120089.02934.11UNSPUNSPUNSPunknUNSPUNSPUNSP
4371989-03-15 14:00PSTYesCRK/HMUSGS19104.40-0.011.30UnspecifiedClearNONE1Imported Channel 1CRANunspeunkno191096.04004.77UNSPUNSPUNSPunknUNSPUNSPUNSP
4361989-02-10 09:57PSTYesGWO/JKPUSGS2611.770.000.90FairIceShoreNONE1Imported Channel 1CRANunspeunkno26183.51391.88UNSPUNSPUNSPunknUNSPUNSPUNSP
4351988-12-01 11:15PSTYesPJF/GWOUSGS9583.22-0.031.20GoodClearNONE1Imported Channel 1CRANunspeunkno95888.02833.38UNSPUNSPUNSPunknUNSPUNSPUNSP
4341988-07-26 10:00PDTYesPJFUSGS26.00.680.001.00FairClearNONE1Imported Channel 1WADEunspeunkno26.025.538.20.68UNSPUNSPUNSPunknUNSPUNSPUNSP
4331988-06-09 -- ----YesPJFUSGS2831.730.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno28394.01372.07UNSPUNSPUNSPunknUNSPUNSPUNSP
4321988-04-22 -- ----YesPJFUSGS2421.670.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno24293.01291.88UNSPUNSPUNSPunknUNSPUNSPUNSP
4311988-02-18 -- ----YesPJFUSGS6182.58-0.011.20GoodClearNONE1Imported Channel 1CRANunspeunkno61886.02142.89UNSPUNSPUNSPunknUNSPUNSPUNSP
4301987-12-16 -- ----YesPJFUSGS6642.62-0.010.90GoodClearNONE1Imported Channel 1CRANunspeunkno66487.02242.96UNSPUNSPUNSPunknUNSPUNSPUNSP
4291987-10-30 -- ----YesPJFUSGS9.840.730.001.00FairDebrisHeavyNONE1Imported Channel 1WADEunspeunkno9.8422.426.20.38UNSPUNSPUNSPunknUNSPUNSPUNSP
4281987-09-16 -- ----YesPJFUSGS25.80.810.000.70GoodDebrisHeavyNONE1Imported Channel 1WADEunspeunkno25.889.035.60.73UNSPUNSPUNSPunknUNSPUNSPUNSP
4271987-07-24 -- ----YesPJFUSGS28.20.700.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno28.272.038.80.73UNSPUNSPUNSPunknUNSPUNSPUNSP
4261987-05-19 -- ----YesPJFUSGS1061.140.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno10691.088.10.00UNSPUNSPUNSPunknUNSPUNSPUNSP
4251987-03-13 -- ----YesPJF/TAHUSGS24405.260.001.10Good NONE1Imported Channel 1CRANunspeunkno24401104805.08UNSPUNSPUNSPunknUNSPUNSPUNSP
4241986-12-22 -- ----YesPJFUSGS5272.360.291.80Fair NONE1Imported Channel 1CRANunspeunkno52783.01872.82UNSPUNSPUNSPunknUNSPUNSPUNSP
4231986-10-10 -- ----YesPJFUSGS33.30.750.001.00GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno33.392.038.60.86UNSPUNSPUNSPunknUNSPUNSPUNSP
4221986-08-14 -- ----YesPJF/BBLUSGS13.80.510.001.80GoodClearNONE1Imported Channel 1WADEunspeunkno13.889.037.80.36UNSPUNSPUNSPunknUNSPUNSPUNSP
4211986-06-03 -- ----YesPJF/RSTUSGS1021.100.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno10299.079.01.29UNSPUNSPUNSPunknUNSPUNSPUNSP
4201986-03-31 -- ----YesPJF/RSTUSGS3431.930.001.00GoodClearNONE1Imported Channel 1CRANunspeunkno3431001552.21UNSPUNSPUNSPunknUNSPUNSPUNSP
4191986-01-31 -- ----YesRSTUSGS10403.34-0.021.20GoodClearNONE1Imported Channel 1CRANunspeunkno104090.02903.59UNSPUNSPUNSPunknUNSPUNSPUNSP
4181985-10-08 -- ----YesEOUSGS21.20.65 Unspecified NONE1Imported Channel 1UNSPother 21.2 UNSPUNSPUNSPunknUNSPUNSPUNSP
4171985-08-30 -- ----YesRTUSGS19.00.53 Unspecified NONE1Imported Channel 1UNSPother 19.0 UNSPUNSPUNSPunknUNSPUNSPUNSP
4161985-06-25 -- ----YesRTUSGS1161.19 Unspecified NONE1Imported Channel 1UNSPother 116 UNSPUNSPUNSPunknUNSPUNSPUNSP
4151985-04-29 -- ----YesRTUSGS3481.93 Unspecified NONE1Imported Channel 1UNSPother 348 UNSPUNSPUNSPunknUNSPUNSPUNSP
4141985-02-27 -- ----YesRTUSGS4252.12 Unspecified NONE1Imported Channel 1UNSPother 425 UNSPUNSPUNSPunknUNSPUNSPUNSP
4131985-01-04 -- ----YesRTUSGS7432.78 Unspecified NONE1Imported Channel 1UNSPother 743 UNSPUNSPUNSPunknUNSPUNSPUNSP
4121984-10-26 -- ----YesRTUSGS4192.09 Unspecified NONE1Imported Channel 1UNSPother 419 UNSPUNSPUNSPunknUNSPUNSPUNSP
4111984-08-23 -- ----YesEOUSGS25.30.65 Unspecified NONE1Imported Channel 1UNSPother 25.3 UNSPUNSPUNSPunknUNSPUNSPUNSP
4101984-07-27 -- ----YesMLUSGS57.70.87 Unspecified NONE1Imported Channel 1UNSPother 57.7 UNSPUNSPUNSPunknUNSPUNSPUNSP
4091984-06-14 -- ----YesEOUSGS2871.75 Unspecified NONE1Imported Channel 1UNSPother 287 UNSPUNSPUNSPunknUNSPUNSPUNSP
4071984-04-13 -- ----YesEOUSGS14404.01 Unspecified NONE1Imported Channel 1UNSPother 1440 UNSPUNSPUNSPunknUNSPUNSPUNSP
4061984-02-07 -- ----YesEOUSGS2961.81 Unspecified NONE1Imported Channel 1UNSPother 296 UNSPUNSPUNSPunknUNSPUNSPUNSP
4051983-12-08 -- ----YesEOUSGS26405.26 Unspecified NONE1Imported Channel 1UNSPother 2640 UNSPUNSPUNSPunknUNSPUNSPUNSP
4041983-10-11 -- ----YesEOUSGS23.90.66 Unspecified NONE1Imported Channel 1UNSPother 23.9 UNSPUNSPUNSPunknUNSPUNSPUNSP
2571965-12-28 -- ----YesWLNUSGS55608.17 Unspecified NONE1Imported Channel 1UNSPother 5560 UNSPUNSPUNSPunknUNSPUNSPUNSP
2481964-12-21 -- ----YesH/SUSGS741010.48 Unspecified NONE1Imported Channel 1UNSPother 7410 UNSPUNSPUNSPunknUNSPUNSPUNSP
1671956-01-16 -- ----YesJFUSGS62608.55 Unspecified NONE1Imported Channel 1UNSPother 6260 UNSPUNSPUNSPunknUNSPUNSPUNSP
1661955-12-22 -- ----YesWAHUSGS69009.02 Unspecified NONE1Imported Channel 1UNSPother 6900 UNSPUNSPUNSPunknUNSPUNSPUNSP
1471953-11-23 -- ----YesEHSUSGS53608.00 Unspecified NONE1Channel 1UNSPother 5360 UNSPUNSPUNSPunknUNSPUNSPUNSP
1191951-01-17 -- ----YesRWCUSGS75709.46 Unspecified NONE1Imported Channel 1UNSPother 7570 UNSPUNSPUNSPunknUNSPUNSPUNSP
861946-11-22 -- ----YesBWUSGS53707.88 Unspecified NONE1Imported Channel 1UNSPother 5370 UNSPUNSPUNSPunknUNSPUNSPUNSP
811946-02-06 -- ----YesD/BUSGS57908.50 Unspecified NONE1Imported Channel 1UNSPother 5790 UNSPUNSPUNSPunknUNSPUNSPUNSP
801946-02-06 -- ----YesJFCUSGS899010.75 Unspecified NONE1Imported Channel 1UNSPother 8990 UNSPUNSPUNSPunknUNSPUNSPUNSP
291937-12-30 -- ----YesIACUSGS63308.51 Unspecified NONE1Imported Channel 1UNSPother 6330 UNSPUNSPUNSPunknUNSPUNSPUNSP
181936-01-13 -- ----YesW/CUSGS55308.01 Unspecified NONE1Imported Channel 1UNSPother 5530 UNSPUNSPUNSPunknUNSPUNSPUNSP
171936-01-12 -- ----YesW/CUSGS1290013.35 Unspecified NONE1Imported Channel 1UNSPother 12900 UNSPUNSPUNSPunknUNSPUNSPUNSP
71934-11-05 -- ----YesARPUSGS52107.88 Unspecified NONE1Imported Channel 1UNSPother 5210 UNSPUNSPUNSPunknUNSPUNSPUNSP