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Streamflow Measurements for the Nation

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USGS 11183670 WALNUT C A DIAMOND BLVD BRIDGE NR CONCORD CA


Contra Costa County, California
Hydrologic Unit Code 18050001
Latitude  37°58'10.39", Longitude 122°03'13.62" NAD83
Drainage area 85.3  square miles
Gage datum 33 feet above NAVD88
Output formats
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HTML table 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
 
162022-05-19 09:26:54PDTYesBDCYRUSGS7.458.800.000.40GoodClearNONE
152022-04-28 12:54:06PDTYesBDCYRUSGS10.78.880.010.50GoodClearNONE
142022-04-21 10:02PDTYesBDCYRUSGS45213.04-0.040.40FairClearOTHR
132022-04-05 11:14:45PDTYesBDCYRUSGS9.638.870.000.50GoodClearNONE
122022-03-11 08:49:46PSTYesBDCYRUSGS9.899.010.000.50FairDebrisLightNONE
112022-01-28 11:15:04PSTYesBDCYRUSGS14.49.020.000.50GoodClearNONE
102022-01-04 11:09:56PSTYesBDCYRUSGS15610.96-0.060.70GoodClearNONE
92021-12-23 12:29:14PSTYesBDCYRUSGS242016.97-0.580.80Fair NONE
82021-12-16 14:31:51PSTYesBDCYRUSGS23011.71-0.140.70GoodUnspecifedNONE
72021-12-13 12:30:10PSTYesLCANNAR/BDCYUSGS150015.90-0.170.70FairDebrisLightNONE
62021-12-13 10:39:35PSTYesLCANNAR/BDCYUSGS127015.520.310.40PoorDebrisLightNONE
52021-11-22 13:36:20PSTYesBDCYRUSGS6.598.930.000.50GoodClearNONE
42021-11-09 09:21:22PSTYesBDCYRUSGS15311.28-0.100.50GoodVegetationLightNONE
32021-11-04 12:16:33PDTYesBDCYRUSGS9.879.100.000.60GoodDebrisLightNONE
22021-01-05 12:24:40PSTYesBDCUSGS23.69.38-0.030.60GoodDebrisHeavyNONE
12020-12-29 15:47:18PSTYesLAC/CSS/TKNUSGS6.789.09 FairDebrisLightNONE