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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
08164350 Navidad River near Speaks, TX
LOCATION - Lat 29°19'18", long 96°42'32" referenced to North American Datum of 1927, Lavaca County, TX, Hydrologic Unit 12100102, on right bank at downstream side of bridge on F.M. 530 , and 5.1 mi north of Speaks.
DRAINAGE AREA - 437 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1981 to Sept. 1989, Oct. 1994 to Sept. 1996 (periodic measurements), Oct. 1996 to Sept. 2000 (daily mean discharge). Oct. 1, 2004 to current (daily mean stage).
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Apr. 1996 to Aug. 1997.
PESTICIDE DATA: Apr. 1996 to Aug. 1997.
GAGE -
Water-stage recorder. Datum of gage is 120.00 ft. above NGVD of 1929. Satellite telemeter at station.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL DATA: Apr. 1996 to Aug. 1997.
PESTICIDE DATA: Apr. 1996 to Aug. 1997.
