USGS Water-Year Summary 2018
08188600 Guadalupe-Blanco River Authority Calhoun Canal Pump Station near Long Mott, TX
LOCATION - Lat 28°29'47", long 96°46'15" referenced to North American Datum of 1927, Calhoun County, TX, Hydrologic Unit 12100403, on left bank at upstream side of State Highway 185 bridge, approx 1/2 mile south of the Union Carbide plant, and 1.3 mi northwest of Long Mott.
PERIOD OF RECORD - Mar. 1968 to Feb. 1970 (monthly discharge only), Mar. 1970 to Sept. 2016.
GAGE - Water stage recorder with Acoustic Velocity Meter. Mar. 1968 to Mar. 1981, Parshall flume and deflection-vane recorder; Mar. 1981 to Oct. 1989, water-stage and velocity recorders with duplex water-stage recorder at present site; Oct. 1989 to June 1999 nonrecording gage at site 0.5 mi downstream; June 1999 to May 2007, totalizing flow meters on rated pumps. Satellite telemeter at station.
COOPERATION - Log of pumping station on Goff Bayou provided by the Guadalupe-Blanco River Authority.