USGS Water-Year Summary 2022
08202700 Seco Creek at Rowe Ranch near D'Hanis, TX
LOCATION - Lat 29°22'14", long 99°17'15" referenced to North American Datum of 1927, Medina County, TX, Hydrologic Unit 12110107, on left bank 2.9 mi north of D'Hanis and 8.0 mi downstream from Rocky Creek.
DRAINAGE AREA - 168 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Nov. 1960 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Sept. 1991 to May 1992.
BIOCHEMICAL DATA: Sept. 1991 to May 1992.
BIOLOGICAL DATA: Sept. 1991 to May 1992.
PESTICIDE DATA: Sept. 1991 to May 1993.
SEDIMENT DATA: Sept. 1991 to May 1993.
GAGE - Water-stage recorder. Datum of gage is 900.88 ft above NGVD of 1929. Prior to Oct. 1970, published as "at Crook Ranch, near D'Hanis". Satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1852, 35.7 ft, May 31, 1935, from information by local resident. Other floods occurred Aug. 31, 1894, 33 ft; Sept. 1919, 28 ft; July 2, 1932, 28.2 ft (discharge, 35,800 ft³/s, by slope-area measurement); and June 17, 1958, 32.4 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
CHEMICAL DATA: Sept. 1991 to May 1992.
BIOCHEMICAL DATA: Sept. 1991 to May 1992.
BIOLOGICAL DATA: Sept. 1991 to May 1992.
PESTICIDE DATA: Sept. 1991 to May 1993.
SEDIMENT DATA: Sept. 1991 to May 1993.