USGS Water-Year Summary for Site 02226000

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

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

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USGS Water-Year Summary 2023

02226000 ALTAMAHA RIVER AT DOCTORTOWN, GA

LOCATION - Lat 31°39'16.8", long 81°49'39" referenced to North American Datum of 1983, Wayne County, GA, Hydrologic Unit 03070106, on right bank 60.0 feet downstream from Seaboard Coast Line Railroad bridge at Doctortown, 4.5 miles northeast of Jesup, and at mile 64.5.

DRAINAGE AREA - 13,600 mi².

REVISIONS HISTORY - WSP 822: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: October 1931 to current year.
GAGE-HEIGHT: October 1991 to current year. Gage-heights collected at same site since 1925 are contained in reports of National Weather Service.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 23.6 feet above the North American Vertical Datum (NAVD) of 1988. Prior to September 5, 1934, a non-recording gage was installed, and from September 5, 1934 to September 30, 1975, a water-stage recorder was located at same site at datum 4.0 feet higher. Peak stages for 1925-1975 have been converted to present datum.

COOPERATION - USGS National Streamflow Information Program (NSIP).

REMARKS - Gage-height records are generally fair. 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 OUTSIDE PERIOD OF RECORD - Maximum stage known since at least 1800, 18.6 feet, at present datum, on January 23, 1925, with a discharge of 300,000 cfs taken from a rating curve extended above 180,000 cfs.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 178,000 cfs, April 18, 1936; maximum gage-height recorded, 16.00 feet, April 18, 1936; minumum daily discharge, 1,1600 cfs, November 07, 2012.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - May 2002 to current year.

INSTRUMENTATION - Tipping-bucket raingage.

WATER-QUALITY RECORDS

REMARKS -
For Period: 01/06/2016-10/16/2018: Water temperature records poor.
For Period: 10/16/2018-07/09/2019 : Water temperature records good.
For Period: 07/09/2019-10/08/2019 : Water temperature records fair..
For Period: 10/08/2019-12/11/2019 : Water temperature records good.
For Period: 10/08/2019-02/04/2021: Water temperature records fair.

EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 32.8°C, August 14, 2019; minimum recorded, 5.4°C, January 7, 2018.