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 2025
02336410 NANCY CREEK AT WEST WESLEY ROAD, AT ATLANTA, GA
LOCATION - Lat 33°50'17.6", long 84°26'21.4" referenced to North American Datum of 1983, Fulton County, GA, Hydrologic Unit 03130001, on downstream left bank of bridge on West Wesley Road, 0.6 miles upstream from confluence with Peachtree Creek, 1.3 miles upstream from confluence of Peachtree Creek and the Chattahoochee River, and 0.6 miles west of Interstate 75.
DRAINAGE AREA - 37.7 mi².
REVISIONS HISTORY -
Discharge for the period Dec. 27, 2018, to Dec. 29, 2018, was revised on Dec. 14, 2018, based changes in the estimated discharge during this period.
Gage datum was revised on January 18, 2023, based on an error in the determination of the gage datum.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: February 1961 to October 1995 (peak streamflow only), August 1994 to January 1998, and October 2002 to current year.
GAGE-HEIGHT: October 2002 to current year.
DISCHARGE: February 1961 to October 1995 (peak streamflow only), August 1994 to January 1998, and October 2002 to current year.
GAGE-HEIGHT: October 2002 to current year.
GAGE - Satellite telemetry with water-stage recorder and continuous water-quality monitor. Datum of gage is 753.73 feet above NAVD88.
COOPERATION - City of Atlanta.
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 FOR PERIOD OF RECORD - Maximum discharge recorded, 5,720 cfs, September 17, 2004; maximum gage-height, 25.46 feet, backwater from Peachtree Creek, September 21, 2009; minimum daily discharge, 0.55 cfs, October 4, 2008.
WATER-QUALITY RECORDS
PERIOD OF RECORD - August 1976; January 2000 to December 2000; July 2003 to December 2010; April 2014 to June 2014.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: April 2003 to current year.
pH: April 2003 to current year.
WATER TEMPERATURE: April 2003 to current year.
DISSOLVED OXYGEN: April 2003 to current year.
TURBIDITY: April 2003 to current year.
SPECIFIC CONDUCTANCE: April 2003 to current year.
pH: April 2003 to current year.
WATER TEMPERATURE: April 2003 to current year.
DISSOLVED OXYGEN: April 2003 to current year.
TURBIDITY: April 2003 to current year.
INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor.
REMARKS -
For period 10/01/2013-09/30/2014: Specific conductance, pH, water temperature, and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2014-09/30/2015: Specific conductance, pH, water temperature, and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2015-09/30/2016: Specific conductance, pH, water temperature, and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2016-09/30/2017: Specific conductance, pH, and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2017-09/30/2018: Specific conductance, pH, and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2018-09/30/2019: Specific conductance, pH, and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
Data for parameter code 63680 (turbidity) were collected using a probe with the following specifications: turbidity, water, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (Formazin Nephelometric Units). Prior to October 1, 2004, turbidity data were published using parameter code 00076: turbidity, water, unfiltered, NTU (Nephelometric Turbidity Units).
For period 10/01/2013-09/30/2014: Specific conductance, pH, water temperature, and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2014-09/30/2015: Specific conductance, pH, water temperature, and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2015-09/30/2016: Specific conductance, pH, water temperature, and dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2016-09/30/2017: Specific conductance, pH, and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2017-09/30/2018: Specific conductance, pH, and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
For period 10/01/2018-09/30/2019: Specific conductance, pH, and water temperature record is rated good. Dissolved oxygen record is rated fair. Turbidity record is rated poor.
Data for parameter code 63680 (turbidity) were collected using a probe with the following specifications: turbidity, water, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (Formazin Nephelometric Units). Prior to October 1, 2004, turbidity data were published using parameter code 00076: turbidity, water, unfiltered, NTU (Nephelometric Turbidity Units).
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 1100 microsiemens, January 22, 2018; minimum recorded, 22 microsiemens, April 8, 2023.
pH: Maximum recorded, 9.8 units, July 31, 2008; minimum recorded, 3.7 units, March 9, 10, 2005.
WATER TEMPERATURE: Maximum recorded, 30.6°C, July 26, 2010; minimum recorded, -0.2°C, On several days.
DISSOLVED OXYGEN: Maximum recorded, 14.9 mg/L, January 21, 2008; minimum recorded, 4.2 mg/L, June 12, 2008.
TURBIDITY: Maximum recorded, >2,200 FNU, August 25, 2004, February 21, 22, 2005; minimum recorded, <0.5 FNU on many days.
SPECIFIC CONDUCTANCE: Maximum recorded, 1100 microsiemens, January 22, 2018; minimum recorded, 22 microsiemens, April 8, 2023.
pH: Maximum recorded, 9.8 units, July 31, 2008; minimum recorded, 3.7 units, March 9, 10, 2005.
WATER TEMPERATURE: Maximum recorded, 30.6°C, July 26, 2010; minimum recorded, -0.2°C, On several days.
DISSOLVED OXYGEN: Maximum recorded, 14.9 mg/L, January 21, 2008; minimum recorded, 4.2 mg/L, June 12, 2008.
TURBIDITY: Maximum recorded, >2,200 FNU, August 25, 2004, February 21, 22, 2005; minimum recorded, <0.5 FNU on many days.
