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USGS Water-Year Summary 2024
08143500 Pecan Bayou at Brownwood, TX
LOCATION - Lat 31°44'11.04", long 98°58'31.76" referenced to North American Datum of 1983, Brown County, TX, Hydrologic Unit 12090107,
DRAINAGE AREA - 1,660 mi².
REVISIONS HISTORY - WSP 1312: 1928. WSP 1512: 1924(M), 1926-27, 1928(M), 1930-32, 1935(M), 1936, 1941.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1917 to June 1918, Oct. 1923 to Oct. 4, 1983, Jan. 2018 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,313.71 ft. above NAVD88. Prior to Jan. 5, 2022 Datum of gage lowered 5 ft. and published as 1313.58 ft. above NGVD29. Prior to gage reinstatement Jan. 24, 2018, Datum of gage published at 1318.58 ft. above NGVD29. Satellite telemeter at station.
COOPERATION - Texas State Soil and Water Conservation Board (TSSWCB) and Texas Water Development Board (TWDB)
REMARKS - Flow largely regulated by Lake Brownwood near Brownwood, TX. Diversion at Lake Brownwood, 10 miles upstream (see records for Brown County Water Improvement District No. 1 canal).
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known, 21.7 ft. in September 1900, from information by Gulf, Colorado and Santa Fe Railway Co.
EXTREMES FOR PERIOD OF RECORD -
1917-18, 1923-60: Maximum discharge, 31,600 ft³/s on Oct. 14, 1930 (gage height, 16.92 ft.).
Flood of July 3, 1932, probably the greatest known, reached a discharge of about 235,000 ft³/s as it entered Brownwood Reservoir (computed from rate of change of contents in reservoir; data furnished by engineers of Brown County Water Improvement District No. 1).
