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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 342535118350801 SANTA CLARA R A OLD RD NR VALENCIA CA
Los Angeles County, California
Hydrologic Unit Code 18070102
Latitude  34°25'35", Longitude 118°35'08" NAD27
Drainage area 411  square miles
Gage datum 1,080 feet above NGVD29
Output formats
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HTML table without channel data
Tab-separated data with 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)
1292000-05-04 12:50PDTYesejcUSGS15.3 FairClearNONE1Imported Channel 1WADEunspeunkno15.329.98.101.88UNSPUNSPUNSPunknUNSPUNSPUNSP
1282000-05-02 09:15PDTYeswbkUSGS15.6 FairClearNONE1Imported Channel 1WADEunspeunkno15.635.09.681.61UNSPUNSPUNSPunknUNSPUNSPUNSP
1272000-05-02 07:20PDTYeswbkUSGS15.7 FairClearNONE1Imported Channel 1WADEunspeunkno15.734.09.541.65UNSPUNSPUNSPunknUNSPUNSPUNSP
1262000-05-02 05:20PDTYeswbkUSGS18.7 FairClearNONE1Imported Channel 1WADEunspeunkno18.733.59.661.95UNSPUNSPUNSPunknUNSPUNSPUNSP
1252000-05-02 03:30PDTYeswbkUSGS17.7 FairClearNONE1Imported Channel 1WADEunspeunkno17.733.09.861.79UNSPUNSPUNSPunknUNSPUNSPUNSP
1242000-05-02 01:25PDTYeswbkUSGS17.6 FairClearNONE1Imported Channel 1WADEunspeunkno17.633.010.11.75UNSPUNSPUNSPunknUNSPUNSPUNSP
1232000-05-01 23:20PDTYeswbkUSGS17.7 FairClearNONE1Imported Channel 1WADEunspeunkno17.732.010.41.69UNSPUNSPUNSPunknUNSPUNSPUNSP
1222000-04-30 11:55PDTYesERHUSGS14.2 FairClearNONE1Imported Channel 1WADEunspeunkno14.232.88.991.58UNSPUNSPUNSPunknUNSPUNSPUNSP
1212000-04-05 15:20PDTYesGOMUSGS20.3 GoodClearNONE1Imported Channel 1WADEunspeunkno20.329.010.21.99UNSPUNSPUNSPunknUNSPUNSPUNSP
1201999-10-22 18:20PDTYesGOM/MCUSGS10.9 GoodClearNONE1Imported Channel 1WADEunspeunkno10.914.011.80.92UNSPUNSPUNSPunknUNSPUNSPUNSP
1191999-10-22 14:05PDTYesGOM/MCUSGS6.25 GoodClearNONE1Imported Channel 1WADEunspeunkno6.2513.58.820.71UNSPUNSPUNSPunknUNSPUNSPUNSP
1181999-10-22 11:00PDTYesGOM/MCUSGS5.24 GoodClearNONE1Imported Channel 1WADEunspeunkno5.2413.58.220.64UNSPUNSPUNSPunknUNSPUNSPUNSP
1171999-10-22 09:10PDTYesGOM/MCUSGS5.39 GoodClearNONE1Imported Channel 1WADEunspeunkno5.3913.58.360.64UNSPUNSPUNSPunknUNSPUNSPUNSP
1161999-10-22 07:00PDTYesGOM/MCUSGS5.41 GoodClearNONE1Imported Channel 1WADEunspeunkno5.4114.08.580.63UNSPUNSPUNSPunknUNSPUNSPUNSP
1151999-10-22 04:30PDTYesWBKUSGS5.32 GoodClearNONE1Imported Channel 1WADEunspeunkno5.3213.08.600.62UNSPUNSPUNSPunknUNSPUNSPUNSP
1141999-10-22 02:30PDTYesWBKUSGS5.51 FairClearNONE1Imported Channel 1WADEunspeunkno5.5113.08.690.63UNSPUNSPUNSPunknUNSPUNSPUNSP
1131999-10-22 00:25PDTYesWBKUSGS5.12 FairClearNONE1Imported Channel 1WADEunspeunkno5.1213.08.590.60UNSPUNSPUNSPunknUNSPUNSPUNSP
1121999-10-21 22:05PDTYesWBKUSGS5.26 GoodClearNONE1Imported Channel 1WADEunspeunkno5.2613.08.630.61UNSPUNSPUNSPunknUNSPUNSPUNSP
1111999-10-21 20:30PDTYesWKUSGS6.15 GoodClearNONE1Imported Channel 1WADEunspeunkno6.1513.09.330.66UNSPUNSPUNSPunknUNSPUNSPUNSP
1101999-10-19 09:00PDTYesMJUSGS5.58 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.586.005.610.99UNSPUNSPUNSPunknUNSPUNSPUNSP
1091999-10-19 08:10PDTYesMJ /RSUSGS5.23 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.236.005.630.93UNSPUNSPUNSPunknUNSPUNSPUNSP
1081999-10-19 07:05PDTYesMJ /RSUSGS5.42 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.426.005.201.05UNSPUNSPUNSPunknUNSPUNSPUNSP
1071999-10-19 06:05PDTYesMJ /RSUSGS5.51 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.516.005.660.98UNSPUNSPUNSPunknUNSPUNSPUNSP
1061999-10-19 05:05PDTYesMJ /RSUSGS5.61 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.616.005.601.00UNSPUNSPUNSPunknUNSPUNSPUNSP
1051999-10-19 04:00PDTYesMJ /RSUSGS5.40 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.406.005.431.00UNSPUNSPUNSPunknUNSPUNSPUNSP
1041999-10-19 03:00PDTYesMJ /RSUSGS5.37 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.376.005.650.95UNSPUNSPUNSPunknUNSPUNSPUNSP
1031999-10-19 02:10PDTYesMJ /RSUSGS5.43 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.436.005.600.97UNSPUNSPUNSPunknUNSPUNSPUNSP
1021999-10-19 -- ----YesMJ /RSUSGS5.87 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.876.005.601.06UNSPUNSPUNSPunknUNSPUNSPUNSP
1011999-10-19 00:01PDTYesMJ /RSUSGS5.58 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno5.586.005.401.04UNSPUNSPUNSPunknUNSPUNSPUNSP
1001999-10-05 10:20PDTYesGOM/BLUSGS7.27 GoodClearNONE1Imported Channel 1WADEunspeunkno7.2714.06.601.11UNSPUNSPUNSPunknUNSPUNSPUNSP