USGS Water-Year Summary 2024
08175000 Sandies Creek near Westhoff, TX
LOCATION - Lat 29°12'54", long 97°26'57" referenced to North American Datum of 1927, De Witt County, TX, Hydrologic Unit 12100202, on left bank 100 ft downstream from bridge on CR 148, 1.9 mi upstream from Birds Creek, 2.0 mi northeast of Westhoff, and 20.4 mi upstream from mouth.
DRAINAGE AREA - 549 mi².
REVISIONS HISTORY - WSP 2123: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Mar. 1930 to Nov. 1934, Aug. 1959 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Apr. 1962 to Sept. 1999.
BIOCHEMICAL DATA: Apr. 1962 to Sept. 1973.
PESTICIDE DATA: Oct. 1992 to July 1999.
RADIOCHEMICAL DATA: Feb. 1981 to June 1981.
SEDIMENT DATA: Nov. 1965 to May 1966.
GAGE - Water-stage recorder. Datum of gage is 177.872 ft. above NADV88 on 02/27/2024. Prior datum of gage was 178.27 ft above NGVD of 1929. Prior to Nov. 9, 1934, water-stage recorder at site 150 ft upstream at datum 0.86 ft higher. Aug. 10, 1959 to Feb. 2, 1960, nonrecording gage at present site and datum. Satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge since at least 1864, 92,700 ft³/s, July 2, 1936 (gage height, 33.1 ft, from floodmarks), on basis of computation of peak flow, at present site and datum. Flood in Oct. 1913 reached a stage of 26.0 ft, present site and datum, from information by local residents.