Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 11441800

Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

Print this page
USGS Water-Year Summary 2020
11441800 Silver Creek below Junction Dam, near Pollock Pines, CA
LOCATION - Lat 38°51'08", long 120°27'22" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.30, T.12 N., R.14 E., El Dorado County, CA, Hydrologic Unit 18020129, in Eldorado National Forest, at outlet structure on Junction Dam, and 9 mi northeast of Pollock Pines.
DRAINAGE AREA - 146 mi².
PERIOD OF RECORD - October 1987 to current year (low-flow records only). Unpublished records for water years 1965-87 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Elevation of gage is 4,280 ft above NGVD of 1929, from topographic map. August 1964 to December 1986, nonrecording gage at site 500 ft downstream at different datum. December 1986 to September 1987, nonrecording gage at site 550 ft downstream.
COOPERATION - Records were collected by Sacramento Municipal Utility District, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2101.
REMARKS - Records not computed above 80 ft³/s. Prior to October 2014, records not computed above 30 ft³/s. Flow completely regulated by Junction Dam. Diversion through Jaybird Powerplant since 1962 bypasses this station. See schematic diagram of South Fork American River Basin available from the California Water Science Center.