USGS Water-Year Summary for Site 02213000

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.

	Available Parameters
	00045 Precipitation(Sum)
	00045 Precipitation(Sum) [Operational]
	00060 Discharge(Mean)
	00065 Gage height(Mean)

Select a water year

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

Print this page

USGS Water-Year Summary 2023

02213000 OCMULGEE RIVER AT MACON, GA

LOCATION - Lat 32°50'19", long 83°37'14" referenced to North American Datum of 1983, Bibb County, GA, Hydrologic Unit 03070103, at downstream end of right pier of Fifth Street Bridge in Macon, 1.5 miles upstream from Walnut Creek, and at mile 198.0.

DRAINAGE AREA - 2,240 mi².

REVISIONS HISTORY -

WSP 822: Drainage area. WSP 1504: 1893-1903, 1905-10, 1932, 1937, 1942(M). WDR US-2010:2009.

Gage datum was revised on Nov 22, 2021, based on an error in the determination of the gage datum.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: February 1893 to July 1912, August 1912 to December 1913 (gage heights and discharge measurements only), October 1928 to current year.
GAGE HEIGHT: February 1893 to July 1912, August 1912 to December 1913 (gage heights and discharge measurements only), October 1998 to current year. Gage height records collected at same site since 1895 are contained in reports of National Weather Service.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 269.351 feet above North American Vertical Datum (NAVD) of 1988. Prior to October 9, 1905, a non-recording gage was located at site within 1.5 miles downstream at about same datum. From October 9, 1905 to December 31, 1913, a non-recording gage was located at present site and datum. From January 10, 1929 to June 25, 1934, a water-stage recorder was located at a site 500 feet downstream at same datum. From June 25, 1934 to June 25, 1973, a water-stage recorder was located at the present site and datum, and from June 26, 1973 to October 13, 1974, a non-recording gage was located at present site and datum.

COOPERATION - City of Macon and Bibb County EMA.

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 - Flood of January 19, 1925, reached a stage of 26.0 feet, from flood marks at Central of Georgia Railroad bridge, 500 feet downstream, discharge 72,500 cfs; minimum gage-height observed, -1.0 feet October 5, 1924, at site and datum then in use.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 107,000 cfs, July 6, 1994; maximum gage height recorded, 35.40 feet, July 6, 1994; minimum daily discharge, 128 cfs, October 24, 1954.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - October 2007 to October 2017.

INSTRUMENTATION - Tipping-bucket raingage.