Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
07349815 Cypress Bayou Lake near Benton, LA
LOCATION - Lat 32°39'07", long 93°40'11" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.12, T.19 N., R.13 W., Bossier Parish, LA, Hydrologic Unit 11140204, attached to pier of catwalk to diversion structure about 4,500 ft northwest of spillway, and 5.0 mi southeast of Benton.
DRAINAGE AREA - 163 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1975 to September 1996, October 1997 to current year (gage heights only).
GAGE - Water-stage recorder. Datum of the gage is 170.00 ft above NGVD of 1929 (levels by Louisiana Department of Transportation and Development).
REMARKS - Reservoir is formed by a 6,000-ft earthfill dam on Cypress Bayou. The 250-ft concrete spillway with crest at 9.60 ft, gage datum, is located at
left end of dam. Capacity at spillway crest, 25,000 acre-ft. A 6- by 6-ft sluice gate with sill at -15.5 ft, gage datum, is located at diversion structure
4,500 ft northwest of spillway. Water from Cypress Bayou Lake is diverted into Black Bayou Lake by way of this structure. Dam completed and storage
began in 1975. Reservoir is used for flood control, conservation, and recreation.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 14.22 ft., Mar. 10, 2016.
