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Water-Year Summary for Site 08206700

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

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
08206700 San Miguel Creek near Tilden, TX
LOCATION - Lat 28°35'14", long 98°32'44" referenced to North American Datum of 1927, McMullen County, TX, Hydrologic Unit 12110109, on left bank 25 ft downstream from State Highway 16, 0.3 mi upstream from mouth of Bruce Branch, 0.9 mi downstream from mouth of Far Live Oak Creek, 3.0 mi upstream from San Patricio Creek, 7.0 mi downstream from Clear Creek, 8.7 mi north of Tilden, and 12.9 mi upstream from mouth.
DRAINAGE AREA - 783 mi².
REVISIONS HISTORY - WDR TX-83-3: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jan. 1964 to current year. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Dec. 1965 to May 1968, Dec. 1977 to Oct. 1983. BIOCHEMICAL DATA: Dec. 1965 to May 1967, July 1978 to Oct. 1983. PESTICIDE DATA: Aug. 1978 to Aug. 1983. RADIOCHEMICAL DATA: Jan. 1981 to June 1981. SEDIMENT DATA: Dec. 1977, June 1979 to May 1980.
GAGE - Water-stage recorder. Datum of gage is 242.95 ft above NGVD of 1929. Satellite telemeter at station.
REMARKS - No known regulation. There are five diversions above station, but amounts are unknown. At times, water from Bexar-Medina-Atascosa Counties Water Improvement District No. 1 system enters San Miguel Creek basin via Chacon Creek 52 mi upstream (amounts unknown). No flow at times. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since 1919, 32.6 ft in 1942; stage of 1919 flood not known, from information by local residents.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL DATA: Dec. 1965 to May 1968, Dec. 1977 to Oct. 1983, July 2003 to Sept. 2003. BIOCHEMICAL DATA: Dec. 1965 to May 1967, July 1978 to Oct. 1983. BIOLOGICAL DATA: July 1978 to Oct. 1983. PESTICIDE DATA: Aug. 1978 to Apr. 1983, July 2003 to Sept. 2003. RADIOCHEMICAL DATA: Jan. 1981 to June 1981. SEDIMENT DATA: Dec. 1977, June 1979 to May 1980.