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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.
USGS Water-Year Summary 2024
381428075081402 WO Dg 24
Northern Atlantic Coastal Plain aquifer system
Sinepuxent Formation
Sinepuxent Formation
LOCATION - Lat 38°14'28.3", long 75°08'10.9" referenced to North American Datum of 1983, Worcester County, MD, Hydrologic Unit 02040303, at Assateague Island State Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 35 ft. Upper casing diameter 2 in; top of first opening 32 ft, bottom of last opening 35 ft. Drilled, observation, water table well.
DATUM - Land-surface datum is 4.26 ft above North American Vertical Datum of 1988. Measuring point: Top of well cap, 2.6 ft above land-surface datum, Sep. 30, 2014 to present.
PERIOD OF RECORD - October 1999 to current year.
GAGE - For 2015 Water Year, records fair. Water-level measurements by U.S. Geological Survey personnel. Equipped with non vented pressure sensor with 6 minute recording interval, October 2014 to September 2015.
REMARKS - Ocean City Groundwater Monitoring Network observation well and Assateague sea level rise study network.. Water levels are affected by local groundwater withdrawal.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 2.01 ft below land surface, August 31, 2017; lowest measured, 4.48 ft below land surface, August 26, 2003.
