Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 0219897945

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
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  
00480 Salinity(Max.,Min.,Med.)  
63680 Turbidity, Form Neph(Min.,Max.,Med.)  

Water year 2024: 2024-10-01 to 2025-09-30
 

Print this page
USGS Water-Year Summary 2024
0219897945 BACK RIVER 0.4 MILES DOWNSTREAM US 17, NEAR SAVANNAH, GA
LOCATION - Lat 32°05'52", long 81°04'58" referenced to North American Datum of 1983, Chatham County, GA, Hydrologic Unit 03060109,
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: November 2013 to current year.

pH: November 2013 to current year.

WATER TEMPERATURE: November 2013 to current year.

DISSOLVED OXYGEN: November 2013 to current year.

TURBIDITY: November 2013 to current year.

SALINITY: November 2013 to current year.

PHYCOERYTHRIN: March 2019 to December 2019 and March 2020 to November 2020.

COOPERATION - U.S. Army Corps of Engineers, Savannah District.
INSTRUMENTATION - Satellite telemetry with a continuous water-quality monitor.
REMARKS -
For period: 10/01/2014-10/31/2017: Specific Conductance, pH, and Water Temperature rated good. Dissolved Oxygen rated fair, except when concentrations fell below 4.0 mg/L, which are rated poor. Turbidity rated poor.
EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 35,700 microsiemens, September 11, 2017; minimum recorded, 61 microsiemens, February 27, 2020.

pH: Maximum recorded, 8.0 units, January 14 & 15, 2023; minimum recorded, 6.2 standard units; December 30, 2019

WATER TEMPERATURE: Maximum recorded, 32.3°C, August 11, 2019; minimum recorded, 3.9°C; January 5-7, 2018

DISSOLVED OXYGEN: Maximum recorded, 11.7 mg; January 06, 2018; minimum recorded, 1.2 mg/L; August 12, 2018, and July 4, 2019

TURBIDITY: Maximum recorded, 981 FNU; October 26, 2019; minimum recorded, 0.9 FNU, May 7, 2014.

SALINITY: Maximum recorded Salinity: 22.5 parts-per-thousand; September 11, 2017; Minimum recorded Salinity: <0.04 parts per thousand; multiple occurrences during the period of record

PHYCOERYTHRIN: Maximum recorded, 32.9 RFU; April 02, 2019. Minimum recorded, 1.20 RFU; July 05, 2019