USGS Water-Year Summary 2024
08129300 Spring Creek above Tankersley, TX
LOCATION - Lat 31°19'48", long 100°38'24" referenced to North American Datum of 1927, Tom Green County, TX, Hydrologic Unit 12090102, on right bank at downstream side of bridge on Farm Road 2335, 1.4 mi south of Tankersley, 2.5 mi upstream from Dove Creek, and 10.4 mi upstream from mouth.
DRAINAGE AREA - 425 mi² of which 20 mi² probably is noncontributing.
REVISIONS HISTORY - WDR TX-81-3: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1960 to Sept. 1995 (daily mean discharge), Oct. 1995 to current year (peak discharges greater than base discharge).
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Sept. 1964 to May 1967.
BIOCHEMICAL DATA: Sept. 1964 to May 1967
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of the gage is 1,964.88 ft. above NAVD88. Prior to Feb. 15, 2023 Datum of gage published as 1,964.72 ft. above NGVD of 1929. Prior to
Nov. 10, 1960, nonrecording gage at same site and NGVD29 datum. Satellite telemeter at station.
COOPERATION - City of San Angelo, TX and the U.S. Geological Survey, USGS
EXTREMES OUTSIDE PERIOD OF RECORD - Notable floods since at least 1853 occurred in 1882 and 1884. Flood of Oct. 3, 1959, reached a stage of 18.4 ft, from floodmarks. At former gage near Tankersley 8.0 mi downstream, the flood of Oct. 3, 1959, had a discharge of 82,100 ft³/s and was found to be about 3.0 ft lower than the 1882 flood, the greatest at that location since at least 1853.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,400 ft³/s, Aug. 12, 1971, gage height, 16.57 ft; no flow at times most years.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 35 years (water years 1961-95), 13.1 ft³/s (9,490 acre-ft/year).