USGS Water-Year Summary 2020
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.
- WSP 1395: 1951 (instantaneous maximum discharge). WDR-CA-94-4: 1993 (peaks above the base).
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 1,075.00 ft above NGVD of 1929 (levels by U.S. Bureau of Reclamation).
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.