USGS Water-Year Summary 2023

11143200 Carmel River at Robles Del Rio, CA

LOCATION - Lat 36°28'29.50", long 121°43'44" referenced to North American Datum of 1983, in sec.00, T.17 S., R.2 E., Monterey County, CA, Hydrologic Unit 18060006, in Los Laureles Grant, on right bank, downstream side of Esquiline Road bridge (Rosie's Bridge), 0.20 mi south of East Carmel Valley Road, 0.42 mi northeast of Robles Del Rio, and 11 mi southeast of Carmel.

DRAINAGE AREA - 193 mi².

REVISIONS HISTORY - WSP 1715: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 1957 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 268.57 ft above NGVD of 1929 and 271.35 ft above NAVD of 1988. Prior to June 1981, at site 150 ft upstream at same datum.

REMARKS - Low flow regulated by Los Padres Reservoir 11 mi upstream, usable capacity, 1,480 acre-ft, and San Clemente Reservoir 4 mi upstream, usable capacity, 76 acre-ft. San Clemente decommissioned and removed as of Aug 31, 2015. There is diversion for municipal supply.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec. 23, 1955, reached a stage of 11.7 ft, from floodmarks at site then in use, discharge, 6,930 ft³/s, from slope-area measurement of peak flow. Flood report noted as "Carmel River at Carmel Valley, CA".

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 16,000 ft³/s, Mar. 10, 1995, gage height, 12.90 ft; no flow at times in some years.