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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
11342000 Sacramento River at Delta, CA
LOCATION - Lat 40°56'23", long 122°24'58" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.35, T.36 N., R.5 W., Shasta County, CA, Hydrologic Unit 18020005, U.S. Bureau of Reclamation property, on left bank, 0.2 mi downstream from Dog Creek, 0.6 mi southeast of Delta, 2.8 mi south of Lamoine, 25 mi north of city of Redding, and 29 mi downstream from Lake Siskiyou.
DRAINAGE AREA - 425 mi².
REVISIONS HISTORY - WSP 1395: 1951 (instantaneous maximum discharge). WDR-CA-94-4: 1993 (peaks above the base).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1944 to current year. Monthly discharge only for some periods, published in WSP 1315-A.
CHEMICAL DATA: Water years 1951-81.
WATER TEMPERATURE: Water years 1951, 1954-57, 1963-79.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,077.96 ft above NAVD of 1988.
REMARKS - Some regulation by Lake Siskiyou, capacity, 26,100 acre-ft, since December 1968. Some minor diversions for irrigation upstream from station. See schematic diagram of Pit River and McCloud River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 69,800 ft³/s, Jan. 16, 1974, gage height, 27.20 ft in gage well, 28.7 ft from floodmarks, from rating curve extended above 19,000 ft³/s, on basis of slope-area measurements at gage height 19.50 ft, and of peak flow; minimum daily, 117 ft³/s, Aug. 5, 6, 12-15, 1977.
