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Streamflow Measurements for the Nation


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
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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
 
22021-01-05 12:24:40PSTYesBDCUSGS23.69.38-0.030.60GoodDebrisHeavyNONE
12020-12-29 15:47:18PSTYesLAC/CSS/TKNUSGS6.789.09 FairDebrisLightNONE