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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
08175800 Guadalupe River at Cuero, TX
LOCATION - Lat 29°05'25", long 97°19'46" referenced to North American Datum of 1927, De Witt County, TX, Hydrologic Unit 12100204,
DRAINAGE AREA - 4,934 mi².
REVISIONS HISTORY - WDR TX-69-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jan. 1964 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Dec. 1966 to Aug. 1985.
BIOCHEMICAL DATA: Dec. 1966 to Sept. 1973.
RADIOCHEMICAL DATA: Dec. 1980 to June 1981.
GAGE - Water-stage recorder. Datum of gage is 128.83 ft above NAVD88 done by RTK on Feb. 17, 2023. Prior datum of gage was 128.64 ft above NGVD of 1929. Satellite telemeter at station.
REMARKS - Records good for the Water Year. Since installation of gage in 1964, at least 10% of contributing drainage area has been regulated. Flow is affected at times by discharge from the flood-detention pools of 53 floodwater-retarding structures. These structures control runoff from 302 mi² in the Comal, San Marcos, and Plum Creek drainage basins. Many small diversions above station. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1900 probably occurred July 2, 1936, 44.33 ft, present site and datum, from information by Texas Department of Transportation.
