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.
REVISIONS HISTORY - WDR-US-2008: 2007.
SURFACE-WATER RECORDS
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
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).