USGS Water-Year Summary 2023
08210000 Nueces River near Three Rivers, TX
LOCATION - Lat 28°25'38", long 98°10'40" referenced to North American Datum of 1927, Live Oak County, TX, Hydrologic Unit 12110111, on right bank at U.S. Highway 281, 1.0 mi downstream from Frio River, 2.2 mi south of Three Rivers, and at mile 100.2.
DRAINAGE AREA - 15,427 mi².
REVISIONS HISTORY - WSP 548: 1920-21. WSP 1562: 1916, 1918-21, 1922(M), 1923, 1929. WDR TX-83-3: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1915 to current year. Monthly discharge only for Nov. 1919 to Jan. 1920, published in WSP 1312.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Aug. 1941 to Sept. 1952, May 1965 to Jan. 2010.
BIOCHEMICAL DATA: May 1965 to Jan. 2010.
BIOLOGICAL DATA: Oct. 1974 to Sept. 1981.
PESTICIDE DATA: Jan. 1968 to May 1982, Oct. 1996 to Jan. 2010.
SEDIMENT DATA: Oct. 1941 to Aug. 1945, Mar. 1951 to Sept. 1952, Oct. 1974 to Aug. 1994.
GAGE - Water-stage recorder. Datum of gage is 166.307 ft. above NAV88. Datum of gage is 99.26 ft above NGVD of 1929. Prior to Apr. 5, 1932, nonrecording gage at railroad bridge 0.8 mi upstream at datum 1.87 ft higher. Apr. 5, 1932 to Aug. 9, 1983, water-stage recorder at site 0.8 mi upstream at datum 1.87 ft higher. Satellite telemeter at station.
EXTREMES FOR PERIOD PRIOR TO REGULATION -
WATER YEARS 1916-1948: Maximum discharge, 85,000 ft³/s, Sept. 18, 1919, gage height, 46.0 ft, site and datum then in use; no flow at times.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 33 years (water years 1916-48) 945 ft³/s (684,500 acre-ft/yr).
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL DATA: Aug. 1941 to Sept. 1952, May 1965 to Jan. 2010. (discontinued).
BIOCHEMICAL DATA: May 1965 to Jan. 2010. (discontinued).
BIOLOGICAL DATA: Oct. 1974 to Sept. 1981.
PESTICIDE DATA: Jan. 1968 to May 1982, Oct. 1996 to Jan. 2010. (discontinued).
SEDIMENT DATA: Oct. 1941 to Aug. 1945, Mar. 1951 to Sept. 1952, Oct. 1974 to Aug. 1994.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Oct. 1941 to Sept. 1952, Oct. 1974 to Sept. 1981.
WATER TEMPERATURE: Oct. 1950 to Sept. 1952, Oct. 1974 to Sept. 1981.
SUSPENDED-SEDIMENT: Oct. 1950 to Sept. 1951.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum daily, 4,310 microsiemens/cm, Jan. 17, 1977; minimum daily, 157 microsiemens/cm, May 26, 1975.
WATER TEMPERATURE: Maximum daily, 32.0°C, on several days during summers of 1977, 1978, and 1981; minimum daily, 7.0°C, Jan. 2, 3, 1979.