USGS Water-Year Summary 2024
08143600 Pecan Bayou near Mullin, TX
LOCATION - Lat 31°31'02", long 98°44'25" referenced to North American Datum of 1927, Mills County, TX, Hydrologic Unit 12090107, on right bank 44 ft downstream from bridge on Farm Road 573, 0.6 mi downstream from Blanket Creek, 5.5 mi southwest of Mullin, and 13.6 mi upstream from mouth.
DRAINAGE AREA - 2,073 mi².
REVISIONS HISTORY - WDR TX-81-3: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1967 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Mar. 1964 to Aug. 1996.
BIOCHEMICAL DATA: Mar. 1964 to Aug. 1996.
RADIOCHEMICAL DATA: Nov. 1980, Feb. 1981.
GAGE - Water-stage recorder. Datum of gage is 1,198.02ft above NAVD88 as determined by GNSS survey. Prior to December 20, 2023, datum of gage changed from 1,202.93ft. above NGVD 1929 to 1197.93ft. above NGVD 1929 on Dec 01, 2020. New datum is 5.00ft below previous datum. Radio telemeter at station maintained by LCRA. Satellite telemeter at station maintained by USGS.
COOPERATION - Texas Water Development Board, TWDB and the U.S. Geological Survey, USGS
EXTREMES FOR PERIOD OF RECORD - Maximum stage, 42.15ft, Apr. 27, 1990, discharge, 38,300cfs.