USGS Water-Year Summary 2020
07386880 VERMILION RIVER AT SURREY STREET, AT LAFAYETTE, LA
LOCATION - Lat 30°13'02", long 91°59'34" referenced to North American Datum of 1927, in sec.76, T.9 S., R.5 E., Lafayette Parish, LA, Hydrologic Unit 08080103, at bridge on Surrey Street at Lafayette, 0.6 mi north of Lafayette Airport, and 1.4 mi upstream from Coulee des Poches.
DRAINAGE AREA - Indeterminate.
PERIOD OF RECORD - December 1967 to September 2015, October 2015 to current (Unit values only).
GAGE - Water-stage recorder and acoustic velocity meter. Datum of gage is 2.74 ft below NAVD 88. Prior to Oct. 1, 1985, water-stage recorder for Vermilion River at State Highway 3073, near Lafayette (station 07386935) used as auxiliary gage for this station.
EXTREMES FOR PERIOD OF RECORD - Maximum positive discharge, 6,280 ft³/s, July 17, 1989; maximum gage height 17.62 ft, Aug. 15, 2016; maximum negative discharge, -11,300e ft³/s, Aug. 13, 2016; minimum gage height 0.79 ft, Nov. 20, 1969.
PERIOD OF RECORD - Mar. 2018 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: Mar. 2018 to current year. DISSOLVED OXYGEN: Mar. 2018 to current year. TURBIDITY: Mar. 2018 to current year.
INSTRUMENTATION - Water-quality multiprobe recording temperature, dissolved oxygen, and turbidity.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 31.9°C, Jul. 22, 2018; minimum, 9.4°C, Jan. 31, 2019. DISSOLVED OXYGEN: Maximum, 8.9 mg/L, Nov. 18, 19, 2019; minimum, <0.5 mg/L, on many days. TURBIDITY: Maximum, 423 FNU, Aug. 27, 2020; Minimum, 1.5 FNU, Sep. 15, 2020.