USGS Water-Year Summary 2019
08128030 S Concho Rv abv Twin Buttes Res nr San Angelo, TX
LOCATION - Lat 31°16'21.94", long 100°30'15.19" referenced to North American Datum of 1983, Tom Green County, TX, Hydrologic Unit 12090102, on right bank 0.97 mi above Gardner Dam, 3.3 mi above Twin Buttes Dam; by road, ca. 8.4 mi south of Mathis Field Airport, and ca. 17.7 mi south of downtown San Angelo.
DRAINAGE AREA - 446 mi².
PERIOD OF RECORD - July 30, 2015 to current year, discharges less than 35 ft³/s.
GAGE - Water stage recorder and satellite telemeter at station. Datum of the gage is 1921.316 ft. (NAVD of 1988).
COOPERATION - This gage is funded by the City of San Angelo, Texas.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 21.89 ft., Oct. 18, 2018 (discharge not determined).