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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
08188590 North End of GBRA Calhoun Canal near Long Mott,TX
LOCATION - Lat 28°30'19.76", long 96°46'53.14" referenced to North American Datum of 1983, Calhoun County, TX, Hydrologic Unit 12100403,
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
Feb 2015 to current year. Jun 1992 to Mar 2007 listed under USGS gaging location 08188600 (GBRA Calhoun Canal Pump Sta, nr Long Mott, TX). Apr 1968 to Mar 1986 listed under USGS gaging location 08188750 (GBRA Calhoun Canal Flume #2 nr Long Mott, TX).
GAGE - Water-stage recorder. Datum of gage is 35 feet above NAVD of 1988. Apr 1968 to Mar 1986 1.3 miles downstream at a different datum. Satellite telemeter at station.
REMARKS - Water year records fair. Since installation of the gage, at least 10% of the contributing drainage area has been regulated. Some records listed in the "Period of Record" for surface water may not be available electronically.
