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Water-Year Summary for Site 11374305

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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)  
00060 Discharge(Mean) [(2)]  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
11374305 Middle Fork Cottonwood Creek below diversion to Arbuckle Mountain Powerplant, near Platina, CA
LOCATION - Lat 40°24'34", long 122°52'58" referenced to North American Datum of 1983, Shasta County, CA, Hydrologic Unit 18020152, unsurveyed, on left bank, 0.4 mi downstream from confluence with Knob Gulch, and 3.4 mi northeast of Platina.
DRAINAGE AREA - 46.3 mi².
PERIOD OF RECORD - October 1997 to current year (low-flow records only, collected only seasonally during period of upstream diversion for power generation).
GAGE - Water-stage recorder and V-notched weir. Elevation of gage is 1,920 ft above NGVD of 1929, from topographic map.
COOPERATION - Records, including discharge for Arbuckle Mountain Powerplant (station 11374300), provided by Arbuckle Mountain Hydro, LLC, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission Project no. 7178.
REMARKS - Records for the 2017-19 water year were not provided for review and therefore not published. No record collected in 2015 and 2016 water year. Records published to 11 ft³/s. Prior to February 2004 records published to 90 ft³/s. Record is only collected during the part of the year when flow is generally high enough to allow for upstream diversion of water to Arbuckle Mountain Powerplant. During times of powerplant operation, the minimum release requirement is 5.0 ft³/s. See schematic diagram of upper Sacramento River Basin available from the California Water Science Center.