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Water-Year Summary for Site 02224940

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The daily maximum and minimum water level values for groundwater wells after September 30, 2023 are no longer being displayed on NWISWeb. However, these values can be determined using the instantaneous values that are available through the Time-Series: Current/Historical Observations option in the available data dropdown box for the station.


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  • 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(Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02224940 ALTAMAHA RIVER AT US 221, NR CHARLOTTEVILLE, GA
LOCATION - Lat 31°57'28.3", long 82°31'01.3" referenced to North American Datum of 1983, Montgomery County, GA, Hydrologic Unit 03070106,
DRAINAGE AREA - 11,400 mi². revised.
REVISIONS HISTORY - WDR GA-2013: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: December 2008 to current year.
GAGE-HEIGHT: December 2008 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 73.46 feet above the National American Vertical Datum (NAVD) of 1988.
COOPERATION - USGS National Streamflow Information Program (NSIP).
REMARKS -

For Period: 10/01/2013 - 03/03/2014: Discharge records good, except Estimated Discharge which are poor. Gage Height records good.
For Period: 03/04/2014 - 09/30/2015: Discharge records fair, except Estimated Discharge which are poor. Gage Height records fair.
For Period: 10/01/2015 - 01/23/2017: Discharge records poor. Gage Height records poor.
For Period: 01/23/2017 - 05/10/2017: Discharge records poor. Gage Height records fair.
For Period: 05/10/2017 - 08/14/2017: Discharge records fair. Gage Height records fair.
For Period: 08/14/2017 - 12/09/2019: Discharge records poor. Gage Height records poor.
For Period: 12/09/2019 - 03/15/2021: Discharge records poor. Gage Height records poor.
For Period: 03/15/2021 - 10/25/2021: Discharge records poor. Gage Height records poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 118,000 cfs, April 8, 2009; Maximum gage-height recorded, 23.08 feet, January 06, 2016; minimum daily discharge, 1,100 cfs, September 18-20, 2011.