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Water-Year Summary for Site 07381590

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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
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.
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 0.56 ft below NAVD 88.
REMARKS -
Records good.
Relief outlet for Atchafalaya Basin.
Site affected by tide at all stages.
Satellite telemetry at station.

Positive and negative flows at this site are defined by direction and are specified to be parallel to the channel at the gage location. The Positive flow direction is South-southwest.

Streamflow at this site is affected significantly by astronomical tides. Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of the 24.84 hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data published from June 1986 to September 2015.
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, 10.94 ft, May 29, 2011; 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.