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
02346180 FLINT RIVER NEAR THOMASTON, GA
LOCATION - Lat 32°50'18.6", long 84°25'27.3" referenced to North American Datum of 1983, Upson County, GA, Hydrologic Unit 03130005, on State Highway 36, 2.5 mi upstream from Lazar Creek, and 7.8 mi southwest of Thomaston.
DRAINAGE AREA - 1,220 mi². Approximately.
REVISIONS HISTORY -
The maximum discharge and stage for water year 1971 has been revised.
Gage datum was revised on February 28, 2022 based on an error in the determination of the gage datum.
The mean gage heights for measurements 269-294 were adjusted using the proration comp tool due to a datum correction found during the April 2025 levels.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: January 2017 to present. May 1996 to September 1992 (discontinued).
GAGE HEIGHT: January 2017 to present.
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 494.170 feet above National American Vertical Datum (NAVD) of 1988. May 1966 to September 1992, water-stage recorder, datum of gage 490.00 ft above National Geodetic Vertical Datum (NGVD) of 1929 (levels by US Army Corps of Engineers).
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Nov. 28, 1948, reached a stage of 19.3 ft, from floodmarks.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 38,100 cfs, March 3, 1971, at site then in use; maximum stage, 19.00 ft, from floodmarks, March 3, 1971, at site and datum then in use; minimum mean daily discharge, 55 cfs, July 22, 1986.
