USGS Water-Year Summary 2024
301527088521500 MISSISSIPPI SOUND AT USGS EAST SHIP ISLAND LIGHT
LOCATION - Lat 30°15'16", long 88°52'08" referenced to North American Datum of 1983, Harrison County, MS, Hydrologic Unit 03170009, on the USGS East Ship Island platform, 12 miles southeast of Gulfport.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2008 to current year.
EXTREMES FOR PERIOD OF RECORD -
Maximum instantaneous gage height = 8.94 feet on Oct. 7, 2017.
Minimum instantaneous gage height = -2.55 feet on Feb. 7, 2011.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2008 to current year.
PERIOD OF DAILY RECORD.--
TURBIDITY: November 2009 to current year.
DISSOLVED OXYGEN: November 2009 to current year.
SPECIFIC CONDUCTANCE: August 2008 to current year.
WATER TEMPERATURE: August 2008 to current year.
INSTRUMENTATION - Water-quality monitor since August 2008.
EXTREMES FOR PERIOD OF DAILY RECORD - TURBIDITY: Maximum recorded, 200 FNU, Aug. 29, 2012, but may have been higher during periods of missing data; minimum recorded, <1.0 FNU, on many days in October 2012, but may have been lower during periods of missing data.
DISSOLVED OXYGEN: Maximum recorded, 13.5 mg/l, July 23, 2011, but may have been higher during periods of missing data; minimum recorded, <0.5 mg/l, on many days during 2011 and several days 2013, but may have been lower during periods of missing data.
SPECIFIC CONDUCTANCE: Maximum recorded, 54,500 microsiemens, Mar. 7, 2011, but may have been higher during periods of missing data; minimum recorded, 9,560 microsiemens, June 4, 2011, but may have been lower during periods of missing data.
WATER TEMPERATURE: Maximum recorded, 32.5 °C, Aug. 6, 2010, but may have been higher during periods of missing data; minimum recorded, 6.0 °C, Jan. 11, 2010, but may have been lower during periods of missing data.