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 11428800

Click to hide state-specific text

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 2023: 2022-10-01 to 2023-09-30
 
Print this page
USGS Water-Year Summary 2023
11428800 Rubicon River below Hell Hole Dam, near Meeks Bay, CA
LOCATION - Lat 39°03'24", long 120°24'25" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.21, T.14 N., R.14 E., Placer County, CA, Hydrologic Unit 18020128, in Eldorado National Forest, on right bank, 600 ft downstream from outlet of dam, 2.4 mi upstream from Cottonwood Creek, and 15.3 mi west of Meeks Bay.
DRAINAGE AREA - 114 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1965 to current year.
GAGE - Water-stage recorder and V-notch sharp-crested weir. Datum of gage is 4,231.52 ft above NGVD of 1929 (levels by Placer County Water Agency).
COOPERATION - Records, including diversion from Hell Hole Reservoir through Middle Fork Powerplant (station 11428600) through the 2013 water year, provided by Placer County Water Agency, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2079.
REMARKS - Flow completely regulated by Hell Hole Reservoir (station 11428700) 600 ft upstream from station. During years when Hell Hole Dam spills, records include flow which bypasses the station. Transbasin diversions upstream from station through Buck-Loon Tunnel (station 11428300) to Loon Lake Reservoir (station 11429350); from Middle Fork American River Basin through tunnel from French Meadows Reservoir (station 11427400) to Hell Hole Reservoir; from Hell Hole Reservoir through tunnel to Middle Fork Powerplant. Diversion began Sept. 8, 1966. See schematic diagram of Middle Fork American and Rubicon River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 28,800 ft³/s, Jan. 2, 1997, including flow over spillway; no flow Aug. 25 to Sept. 11, 1966.