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- 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.
USGS Water-Year Summary 2025
11362880 Nelson Creek Overflow Weir below Powerplant Diversion, nea
LOCATION - Lat 41°02'32", long 121°52'34" referenced to North American Datum of 1927, Shasta County, CA, Hydrologic Unit 18020003,
DRAINAGE AREA - 13.2 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1993 to current year (beginning October 1996, low-flow records only).
COOPERATION - Records provided by Sierra Pacific Industries, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission (FERC) project no. 9029.
REMARKS - Water is diverted upstream of weirs through a tunnel to Nelson Creek Powerplant, returning to Nelson Creek at its confluence with the Pit River. Flow is computed to 100 ft³/s. See schematic diagram of Pit River and McCloud River Basins available from the California Water Science Center.
