USGS Water-Year Summary for Site 08067650

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Max.,Min.,Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

08067650 West Fork San Jacinto River below Lake Conroe near Conroe, TX

LOCATION - Lat 30°20'31", long 95°32'34" referenced to North American Datum of 1927, Montgomery County, TX, Hydrologic Unit 12040101, on right bank at downstream side of bridge on State Highway 105, 3.0 mi downstream from Lake Conroe Dam, and 5.9 mi west of Conroe.

DRAINAGE AREA - 451 mi².

REVISIONS HISTORY - WDR TX-96-2: 1995 (M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - Aug. 1972 to Sept. 1989 (daily mean discharges for periods of outflow from Lake Conroe only), Oct. 1989 to Sept. 1993 (daily mean discharges 10 ft³/s or greater), Oct. 1993 to Sept. 1994 (daily mean discharges 100 ft³/s or greater), Oct. 1994 to Sept. 1997 (daily mean discharges 20 ft³/s or greater), Oct. 1997 to Sept. 2000 (daily mean discharges), Oct. 2000 to Sept. 2015 (daily mean discharges 10 ft³/s or greater), Oct. 2015 to current year (daily mean discharges 100 ft³/s or greater). PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Oct. 1972 to Sept. 1986, Oct. 1987 to Aug. 1989, Aug. 2011. BIOCHEMICAL DATA: Oct. 1972 to Sept. 1986, Oct. 1987 to Aug. 1989, Aug. 2011. PESTICIDE DATA: Oct. 1972 to Sept. 1986, Oct. 1987 to Aug. 1989. SUSPENDED SEDIMENT DATA: Nov. 2005, Sept. 2008 to Aug. 2011.

GAGE - Water-stage recorder. Datum of gage is 116.06 ft above NGVD of 1929. Satellite telemeter at station.

REMARKS - Since Jan. 9, 1973, at least 10% of contributing drainage area has been regulated. No known diversions. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood in Nov. 1940 reached a stage of 41.94 ft, from information by the Texas Department of Transportation.

WATER-QUALITY RECORDS

PERIOD OF RECORD - CHEMICAL DATA: Oct. 1972 to Sept. 1986, Oct. 1987 to Aug. 1989, Aug. 2011. BIOCHEMICAL DATA: Oct. 1972 to Sept. 1986, Oct. 1987 to Aug. 1989, Aug. 2011. PESTICIDE DATA: Oct. 1972 to Sept. 1986, Oct. 1987 to Aug. 1989. SUSPENDED SEDIMENT DATA: Nov. 2005, Sept. 2008 to current year.