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Water-Year Summary for Site 08143600

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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
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
REMARKS - Since installation of gage in water year 1968, at least 10% of contributing drainage area has been regulated. In addition, flow from 152 mi² (from an intervening drainage area of 641 mi²) above this station and below Lake Brownwood is partly controlled by 41 floodwater-retarding structures. No flow at times. Some records listed in the period of record may not be available electronically.
EXTREMES FOR PERIOD OF RECORD - Maximum stage, 42.15ft, Apr. 27, 1990, discharge, 38,300cfs.