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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
08181435 Leon Creek at Loop 410 at San Antonio, TX
LOCATION - Lat 29°26'52.35", long 98°38'01.36" referenced to North American Datum of 1983, Bexar County, TX, Hydrologic Unit 12100302,
DRAINAGE AREA - 172 mi².
REVISIONS HISTORY - Apr. 30th, 2011 to Sep. 30th, 2012.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 06, 2011 to Mar. 27, 2016
Nov. 25, 2019 to current.
GAGE - Water-stage recorder. Datum of gage is 717.81 ft above NAVD of 1988. Jul 6, 2011 to Mar 27, 2016 gage at same location, previous datum of gage was 725 ft above NAVD of 1988. Satellite telemeter at station.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 45800 ft³/s, maximum gage height of 31.04, October 09, 2011. Zero flow many days.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - PRECIPITATION DATA: Apr. 30, 2011 to 11/27/2015; Apr. 30, 2016 to July 26, 2016; Nov. 25, 2019 to current.
INSTRUMENTATION - Rainfall is registered by an unshielded, 8-in. diameter tipping bucket precipitation raingage, mounted 10 ft above the ground.
