Map of surrounding area

Station IDHOPElevation498' ft
Hydrologic AreaNORTH COASTNearby CityHOPLAND
OperatorUSGS/USACEData Collection

Zero DatumPeak of RecordMonitor StageFlood StageGuidance Plots
497.61' NGVD12/01/1937 00:00 30.00' 18.0' 21.0'HOP_gp

The following data types are available online. Select one of the links below to retrieve recent data.

Sensor DescriptionSensor NumberDurationPlotData CollectionData Available
FLOW, MEAN DAILY, cfs 41 (daily) (M FLOW)COMPUTED 01/01/1993 to present.
BATTERY VOLTAGE, volts 14 (event) (BAT VOL)SATELLITE 02/02/1995 to present.
FLOW, RIVER DISCHARGE, cfs 20 (event) (FLOW)COMPUTED 02/02/1995 to present.
RIVER STAGE, feet 1 (event) (RIV STG)SATELLITE 02/02/1995 to present.
TEMPERATURE, WATER, deg f 25 (event) (TEMP W)SATELLITE 07/16/2008 to present.
BATTERY VOLTAGE, volts 14(hourly)(BAT VOL)SATELLITE 01/01/1995 to present.
FLOW, RIVER DISCHARGE, cfs 20(hourly)(FLOW)COMPUTED 01/01/1984 to present.
FORECASTED STAGE, feet 169(hourly)(STAGE F)DATA XCHG-NWS 10/07/2009 to 10/07/2009.
RIVER STAGE, feet 1(hourly)(RIV STG)SATELLITE 01/01/1984 to present.

Station comments:

10/24/2014A temporary orifice line was installed and used for the data from 4/1/2014 to 7/10/2014. On 7/10/2014, gage was fully rebuilt and relocated to the opposite bank to make a shorter run of orifice.
12/02/2012River Stage Data under-reporting by ~5 feet, issue with equipment. Gage repaired by USGS by 1300 on 12/2/2012.
03/24/2011Latitude and longitude updated according to information downloaded from USGS website.