USGS Water-Year Summary 2024
11465660 Copeland Creek at Rohnert Park, CA
LOCATION - Lat 38°20'36", long 122°42'03" referenced to North American Datum of 1927, in sec.00, T.6 N., R.8 W., Sonoma County, CA, Hydrologic Unit 18010110, in Cotate Grant, on left bank, downstream of footbridge, 0.2 mi downstream of Seed Farm Drive, in Rohnert Park.
DRAINAGE AREA - 5.48 mi².
REVISIONS HISTORY - WDR US-2008: 2007 (instantaneous maximum discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2006 to current year (seasonal records only).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 93.09 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 672ft³/s, Dec. 15, 2016, gage height 9.45ft; no flow several days each year.