USGS Water-Year Summary for Site 02215000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	00045 Precipitation(Sum) [Operational]
	00060 Discharge(Mean)
	00065 Gage height(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

02215000 OCMULGEE RIVER AT HAWKINSVILLE, GA.

LOCATION - Lat 32°16'58.8", long 83°27'44.3" referenced to North American Datum of 1983, Pulaski County, GA, Hydrologic Unit 03070104, at downstream side of bridge on US 341, 0.9 mi downstream from confluence with Double Branch, 0.9 mi upstream from confluence with Mile Creek, and 0.8 mi east of Hawkinsville.

DRAINAGE AREA - 3,800 mi².

REVISIONS HISTORY -

Gage datum was revised on December 6, 2021, based on an error in the determination of the gage datum.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: October 1928 to December 1931, October 1943 to September 1959, October 1959 to September 1996 (annual maximum only), and June 2007 to current year.
GAGE HEIGHT: June 2007 to current year.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 188.97ft above NAVD of 1988. The NAVD88 Datum of gage was determined from GNSS survey.

COOPERATION - USGS National Streamflow Information Program (NSIP).

REMARKS - Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-ga_nwisweb_data_inquiries@usgs.gov.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 100,000 cfs, July 9, 1994; maximum gage-height recorded, 40.91 feet, July 9, 1994; minimum daily discharge, 280 cfs, October 7, 1931.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - October 2007 to October 2017.

INSTRUMENTATION - Tipping-bucket raingage.

WATER-QUALITY RECORDS

PERIOD OF RECORD - December 1957 to May 1958, March 1961, June 1970, December 1973, January 2007 to current year.

COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.

REMARKS - Analyzing agency is represented by the five-digit code listed under USGS Water Science Center special parameter code 99920. Laboratory analyses with analyzing agency code 81341 are by the Laboratory Services Section, Environmental Protection Division, Georgia Department of Natural Resources. Field determinations of Discharge, Specific Conductance, pH, Water Temperature, Air Temperature, and Dissolved Oxygen are by the U.S. Geological Survey.