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Water-Year Summary for Site USGS 11075720

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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
11075720 Carbon Creek below Carbon Canyon Dam, CA
LOCATION - Lat 33°54'48", long 117°50'30" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.17, T.3 S., R.9 W., Orange County, CA, Hydrologic Unit 18070106, on right wall of outlet channel, 250 ft downstream from toe of Carbon Canyon Dam, and 2.4 mi northwest of Yorba Linda.
DRAINAGE AREA - 19.5 mi².
REVISIONS HISTORY - WDR CA-88-1: 1983 (instantaneous maximum discharge).
PERIOD OF RECORD - October 1961 to current year.
GAGE - Water-stage recorder and concrete-lined flood-control channel. Datum of gage is 396.35 ft above NGVD of 1929, U.S. Army Corps of Engineers datum. Prior to Dec. 3, 1971, at datum 2.00 ft higher.
REMARKS - Flow regulated by Carbon Canyon Flood-Control Reservoir, capacity, 6,610 acre-ft. No diversion upstream from station. See schematic diagram of Santa Ana River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 796 ft³/s, Mar. 1, 1983, gage height, 5.11 ft, present datum, from rating curve extended above 110 ft³/s, on basis of optical current-meter measurement at 241 ft³/s and normal depth solution for discharge computation at gage height 4.27 ft; no flow for many days each year.