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.
- 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.
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.