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Water-Year Summary for Site 11367720

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2020
11367720 McCloud-Iron Canyon Diversion Tunnel near McCloud, CA
LOCATION - Lat 41°08'06", long 122°04'26" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.22, T.38 N., R.2 W., Shasta County, CA, Hydrologic Unit 18020004, Shasta National Forest, on left bank of Lake McCloud, and 8.8 mi southeast of McCloud.
PERIOD OF RECORD - December 1965 to current year.
GAGE - None. Water-stage recorders on Iron Canyon Reservoir and Lake McCloud (stations 11363920 and 11367740) used to compute record.
COOPERATION - Records were collected by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2106.
REMARKS - Water is diverted from Lake McCloud (station 11367740) via tunnel to Iron Canyon Reservoir (station 11363920) and then via penstock into James B. Black Powerplant (station 11363910) on the Pit River. Diversion began Dec. 1, 1965. See schematic diagram of Pit River and McCloud River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 1,890 ft³/s, several days during May and June 1967; no flow at times in some years.