USGS Water-Year Summary 2018
11316670 North Fork Mokelumne River below Tiger Creek Reservoir, near West Point, CA
LOCATION - Lat 38°26'25", long 120°30'14" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.23, T.7 N., R.13 E., Amador County, CA, Hydrologic Unit 18040012, on right bank, 500 ft downstream from Tiger Creek Reservoir Dam, and 3.1 mi northeast of West Point.
DRAINAGE AREA - 357 mi².
PERIOD OF RECORD - October 1985 to current year (low-flow records only). Unpublished records for water years 1982-85 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder and concrete control. Elevation of gage is 2,220 ft above NGVD of 1929, from topographic map. Prior to Aug. 11, 2003, at different datum.
COOPERATION - Records were provided by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 137.