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Water-Year Summary for Site 07382500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 30°37'05", long 92°03'20" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.81, T.5 S., R.4 E., St. Landry Parish, LA, Hydrologic Unit 08080102, near center of span on downstream side of bridge on State Highway 10 at Washington, 0.2 mi upstream from Southern Pacific Transportation Company bridge, 1.2 mi upstream from Bayou Carron, 3.5 mi downstream from confluence of Bayou Cocodrie and Bayou Boeuf, and 6.0 mi north of Opelousas.
PERIOD OF RECORD - July 1946 to current year.
GAGE - Water-stage recorder. Datum of gage is 1.05 feet below NAVD88 GEOID09. Prior to Aug. 23, 1948, nonrecording gage at same site and datum.

Water-stage recorder for Bayou Courtableau near Washington (station 07382495) used as auxiliary gage for this station from Feb. 28, 1949 to Oct. 31, 2005. Prior to Feb. 28, 1949, auxiliary nonrecording gage 3.5 mi upstream from base at same datum.

Records good except below 100 cfs, which are poor. Some flow diverted from Bayou Boeuf into Chatlin Lake Canal through Bayou Lamourie. Since April 1952, floodflow is diverted from 76.1 mi² in Bayou Rapides basin into Bayou Boeuf when stage of Red River makes it necessary to close gates at mouth of Bayou Rapides. In extreme floods, considerable flow bypasses the station.

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 Southeast.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,490 ft³/s, May 21, 1953; maximum gage height, 35.29 ft, May 22, 1953; no flows at times; maximum negative discharge, -536 ft³/s, Apr. 30, 2004; minimum gage height, 10.72 ft, Oct. 18, 1956.