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
073556009 Red River 6.5 miles below Black River, LA
LOCATION - Lat 31°13'10.1", long 91°45'08.7" referenced to North American Datum of 1983, Concordia Parish, LA, Hydrologic Unit 08040301, site is located south of river mile 28 on the eastern bank of the Red River.
DRAINAGE AREA - Undetermined.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2021 to present; gage height. Jan 2022 to present; discharge.
GAGE - Water stage recorder and acoustic velocity meter. Datum of gage is 0.00ft NAVD88, GEOID18.
REMARKS - Site affected by regulation from a series of locks and dams in the upper Red River and backwater from Old River Control Structure.
EXTREMES FOR PERIOD OF RECORD - Maximum recorded gage height; 37.63ft, Apr 10, 2023. Minimum recorded gage height; 2.89ft, Oct 26, 2022. Maximum recoded discharge, 232,000 ft³/s, Feb 14, 2023. Minimum recorded discharge, -571 ft³/s, Oct. 24, 2023.
