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Water-Year Summary for Site 11179100

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Available Parameters
00060 Discharge(Mean)  

Water year 2022: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2022
11179100 Alameda Creek near Fremont, CA
LOCATION - Lat 37°34'00", long 122°00'02" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.20, T.4 S., R.1 W., Alameda County, CA, Hydrologic Unit 18050004, on downstream side Sequoia Terrace Bridge, 0.8 mi downstream of BART Crossing, 2.5 mi upstream of Dry Creek, and 1.5 mi northwest of Freemont.
DRAINAGE AREA - 638 mi².
PERIOD OF RECORD - December 04, 2012 to current year.
GAGE - Water stage recorder and crest stage gage. Datum of gage is 24.03 ft above NAVD of 1988. 
REMARKS - Flow regulated by Calaveras Reservoir, usable capacity, 96,800 acre-ft, most of which is diverted for San Francisco water supply; by San Antonio Reservoir, capacity 51,000 acre-ft; and by Del Valle Reservoir 23 mi upstream, capacity 77,100 acre-ft. Natural flow of stream affected by water imported from Delta-Mendota Canal. Diversions made from ground-water basin for irrigation of 9,000 acres at several locations upstream of station, and for offsite groundwater storage.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage 11.27 ft, Dec. 2, 2012, from floodmark, discharge, 5,600 ft³/s, estimated.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 19,200 ft³/s, Feb. 20, 2017, gage height, 18.34 ft. ; no flow at times.