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Water-Year Summary for Site 11363930

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Available Parameters
00060 Discharge(Mean)  
00060 Discharge(Mean) [(2)]  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11363930 Iron Canyon Creek below Iron Canyon Dam, near Big Bend, CA
LOCATION - Lat 41°02'22", long 121°59'03" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.28, T.37 N., R.1 W., Shasta County, CA, Hydrologic Unit 18020003, on left bank, 0.2 mi downstream from Iron Canyon Dam, and 4.2 mi west of Big Bend.
DRAINAGE AREA - 11.2 mi².
REVISIONS HISTORY - WDR CA-95-4: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1966 to current year (beginning October 1994, operated as a low-flow station only).
GAGE - Water-stage recorder, 60° sharp-crested V-notch weir, and concrete control with flashboards in 2- by 10-ft opening. Datum of gage is 2,461.52 ft above NGVD of 1929 (levels by Pacific Gas and Electric Co.).
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 - Flow is completely regulated by Iron Canyon Reservoir (station 11363920). There is an interbasin diversion from Lake McCloud (station 11367740) to Iron Canyon Reservoir and then through a tunnel to James B. Black Powerplant on the Pit River (station 11363910). This station records fishwater release only. The minimum release requirement is 3.0 ft³/s at all times. Flow is computed to 7.6 ft³/s. See schematic diagram of Pit River and McCloud River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 650 ft³/s, Feb. 5, 1986, gage height unknown (flashboards removed from weir), from equation for a 4- by 4-ft slide gate. Flow was the result of full travel test of slide gate at Iron Canyon Dam; maximum gage height, 3.24 ft, Feb. 25, 1978 (flashboards in weir), was the result of failure of the James B. Black Penstock; no flow, July 15-18, 1967.