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Water-Year Summary for Site 08100500

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Available Parameters
00060 Discharge(Mean,Max.,Min.)  
00065 Gage height(Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
08100500 Leon River at Gatesville, TX
LOCATION - Lat 31°26'05", long 97°45'30" referenced to North American Datum of 1983, Coryell County, TX, Hydrologic Unit 12070201, on left bank at downstream side of U.S. Highway 84 bridge in Gatesville, 0.2 mi downstream from Dodds Creek, 5.4 mi upstream from Cottonwood Creek, and 99.0 mi upstream from mouth.
DRAINAGE AREA - 2,342 mi².
REVISIONS HISTORY - WDR TX-76-2: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1950 to current year. PERIOD OF RECORD, Water-Quality.-- SEDIMENT DATA: June 1964 to Sept. 1964.
GAGE -

Water-stage recorder. Satellite telemetry at station.

Datum of the gage is 723.82 ft NAVD88 based on a Level 2 Static GNSS survey processed through OPUS with Ref Frame NAD83 (2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2021.0897) and Geoid 18.  The survey was completed on 02/02/2021 over objective point RM7.

Prior Gage Datums:  723.85 ft above NGVD of 1929. Oct. 1, 1950, to Feb. 8, 1951, nonrecording gage and Feb. 9, 1951, to Jan. 21, 1969, water-stage recorder at site 800 ft upstream at same datum. 

REMARKS - Records good. Since 1954, at least 10% of contributing drainage area has been regulated. There are numerous diversions above station for irrigation, municipal supply, and oil field operation. The city of Hamilton, located about 70 mi upstream from this station, diverts flow from the river for municipal use and returns wastewater effluent to the stream. No flow at times. 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 1854, about 35 ft in May 1908, from information by local residents.
EXTREMES FOR PERIOD PRIOR TO REGULATION - WATER YEARS,1951-1953: Maximum discharge, 7,230 ft³/s May 28, 1952 (gage height, 24.79 ft.) No flow at times in 1951-52.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 3 years, (water years, 1951-53), 84.3 ft³/s (61,060 acre-ft/yr)