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Water-Year Summary for Site 08099500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean,Max.,Min.)  
00065 Gage height(Mean)  

Water year 2022: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2022
08099500 Leon River near Hasse, TX
LOCATION - Lat 31°57'28", long 98°27'32" referenced to North American Datum of 1927, Comanche County, TX, Hydrologic Unit 12070201, On left side, approximately 10 ft downstream of end of bridge on U.S. Highway 67/377 2.1 miles northeast of Hasse, TX, 2.0 miles downstream from Proctor Reservoir Dam.
DRAINAGE AREA - 1,261 mi².
PERIOD OF RECORD - Jan. 1939 to Sept. 1991, July 14, 2007 to current year. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Oct. 1961 to July 2006. BIOCHEMICAL DATA: Oct. 1961 to July 2006. RADIOCHEMICAL DATA: Jan. 1981 to July 2006.
GAGE - Water-stage recorder. Datum of gage is 1115.01 ft above NGVD of 1929. Satellite telemeter at site.
COOPERATION - U.S. Army Corps of Engineers, Fort Worth, TX District
REMARKS - Since Apr. 1954 at least 10% of contributing drainage area has been regulated by Leon Reservoir. Some records listed in the period of record may not be available electronically.
EXTREMES OUTSIDE PERIOD OF RECORD - A stage of 21.49 ft (discharge 38,500 cfs) May 24, 1952, 2 1/2 miles upstsream from gage. The flood of Oct. 4, 1959 reached a stage of 21.72 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 21,900 cfs, May 3, 1990 (gage height 18.19 ft).
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - 24 years (water years 1940-63), prior to completion of Proctor Lake, 151 ft³/s (109,4000 acre-feet/yr).