USGS Water-Year Summary 2023
07381590 Wax Lake Outlet at Calumet, LA
LOCATION - Lat 29°41'52", long 91°22'22" referenced to North American Datum of 1927, in sec.56, T.15 S., R.11 E., St. Mary Parish, LA, Hydrologic Unit 08080101, at Southern Railways System bridge, 0.03 mi downstream from State Highway 90, 0.35 mi downstream from Bayou Teche, 0.5 miles west of Calumet, and 9.8 mi west of Morgan City.
DRAINAGE AREA - Indeterminate.
REVISIONS HISTORY -
Parameter codes 80154 (suspended sediment concentration, mg/L), 80155 (suspended sediment discharge, tons/day), and 70331 (suspended sediment sieve diameter percent <0.0625 mm) were revised in November 2018, as described in USGS SIR 2018-5147 (https://pubs.er.usgs.gov/publication/sir20185147) for the period Oct. 17, 1989 to February 10, 2015.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1986 to September 2015, October 2015 to current year(unit values only). April 1973 to June 1975 (discharge measurements only). October 1976 to May 1986 (gage height and discharge measurements only). Gage heights, May 1942 to September 1976 (collected in same vicinity) are in reports of Corps of Engineers, New Orleans District.
GAGE - Water-stage recorder and acoustic velocity meter. Datum of gage is 1.79ft below NAVD88, GEOID 18.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum gage height since 1942, 11.02 ft, May 27, 1973; minimum gage height, -2.82 ft, Oct 18, 1948, from records of the Corps of Engineers, New Orleans District.
EXTREMES FOR PERIOD OF RECORD - Maximum positive discharge, 323,000 ft³/s, May 27, 2011; maximum gage height, 11.08 ft, Jul 13, 2019, Hurricane Barry; Maximum negative discharge, -174,000 ft³/s, Oct 3, 2002; minimum gage height, -1.15 ft, Dec 23, 1989.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1956, 1959-60, 1973 to current year.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: October 1976 to September 1984, May 1990 to September 1992.
CHLORIDE-SURFACE: October 1974 to September 1984, May 1990 to September 1992.
CHLORIDE-25 FT DEPTH: December 1980 to September 1984, May 1990 to September 1992.
CHLORIDE-45 FT DEPTH: December 1980 to September 1984, May 1990 to September 1992.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum daily, 33.0°C July 20, 1978; minimum daily, 2.0°C Jan. 4, 5, 1984.
CHLORIDE-SURFACE: Maximum daily, 150 mg/L June 13, 14, 1977; minimum daily, 9.1 mg/L Apr. 15, 1976.
CHLORIDE-25 FT DEPTH: Maximum daily, 110 mg/L Nov. 5,7,8,10,11, 1981; minimum daily, 12 mg/L May 27, 1984.
CHLORIDE-45 FT DEPTH: Maximum daily, 110 mg/L Mar. 8, Nov. 5,7,8,10,11, 1981; minimum daily, 12 mg/L May 27, 28, 1984.