USGS Water-Year Summary 2021
08180640 Medina River at La Coste, TX
LOCATION - Lat 29°19'26", long 98°48'46" referenced to North American Datum of 1927, Medina County, TX, Hydrologic Unit 12100302, at downstream side of Farm Road 471, one mile north of La Coste, five miles upstream from Sherer Creek, and 27.4 miles upstream from mouth.
DRAINAGE AREA - 805 mi². of which 634 mi² is above dam forming Medina Lake.
GAGE - Water-stage recorder. Datum of gage is 667.36 ft above NAVD88. Dec 19,1986 to Sept. 30, 2000, water-stage recorder at current site and previous datum of 667.15 ft above NGVD29. Satellite telemeter at station.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Jan. 1987 to Sept. 2001.
WATER TEMPERATURE: Jan. 1987 to Sept. 2001.
pH: Jan. 1987 to Sept. 2001.
DISSOLVED OXYGEN: Jan. 1986 to Sept. 2001.