USGS Water-Year Summary 2020
11229500 Ward Tunnel Intake at Florence Lake, CA
LOCATION - Lat 37°16'20", long 118°58'17" referenced to North American Datum of 1927, Fresno County, CA, Hydrologic Unit 18040006, unsurveyed, in Sierra National Forest, in gatehouse at entrance of tunnel, 0.4 mi south of left abutment of Florence Lake Dam, and 16 mi northeast of town of Big Creek.
- WSP 1515: 1931.
PERIOD OF RECORD - April 1925 to current year. Monthly discharge only for some periods, published in WSP 1315-A. Published as "Florence Lake Tunnel at Intake" 1925-36 and as "Ward Tunnel at Intake" 1937-60.
GAGE - Water-stage recorder, concrete control, and Venturi meter. Elevation of gage is 7,213.89 ft above NGVD of 1929 (levels by Southern California Edison Co.).
COOPERATION - Records were collected by Southern California Edison Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project nos. 67 and 120.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 1,990 ft³/s, Apr. 30, 1926; no flow at times.