USGS Water-Year Summary 2020
08130500 Dove Creek at Knickerbocker, TX
LOCATION - Lat 31°16'26", long 100°37'50" referenced to North American Datum of 1927, Tom Green County, TX, Hydrologic Unit 12090102, on left downstream end of bridge on Farm Road 2335, 0.5 mi west of Knickerbocker, and 5.7 mi upstream from mouth.
DRAINAGE AREA - 226 mi² of which 8 mi² probably is noncontributing.
- WDR TX-81-3: Drainage area.
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: Feb. 1965 to May 1967.
BIOCHEMICAL DATA: Feb. 1965 to May 1967.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,001.45 ft above NGVD of 1929. Prior to Nov. 10, 1960, nonrecording gage, Nov. 10, 1960 to Mar. 17, 1986, water-stage recorder, both at site 278 ft to the right at present datum. Satellite telemeter at station.
COOPERATION - The City of San Angelo, TX and the U.S. Geological Survey, USGS
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1882, 30.4 ft in 1906 and Oct. 3, 1959; floods in 1882 and 1884 reached about the same stage, from information by local resident.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,500 ft³/s, Aug. 12, 1971, gage height, 20.66 ft; no flow at times.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 35 years (water years 1961-95), 16.2 ft³/s (11,740 acre-ft/year).