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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
393622075375201 Dc43-29
Northern Atlantic Coastal Plain aquifer system
Potomac Group
Potomac Group
LOCATION - Lat 39°36'22.05", long 75°37'52.18" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 68 ft. Upper casing diameter 2 in; top of first opening 63 ft, bottom of last opening 68 ft. Drilled, observation well.
DATUM - Land-surface datum is 3.82 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of inner casing, 3.18 ft above land-surface datum, May 14, 2007 to present.
PERIOD OF RECORD - May 2007 to September 15, 2015.
GAGE - Water Years 2014-2015: Records good.
Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, May 2007 to October 2007, October 2009 to September 15, 2015.
Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, May 2007 to October 2007, October 2009 to September 15, 2015.
REMARKS - Well PW-5S - Potomac Aquifer Study at Standard Chlorine, Delaware City. Missing data due to recorder malfunction.
EXTREMES FOR PERIOD OF RECORD - Highest water-level measured, 3.89 ft above sea level, October 1, 2010 (recorder); lowest measured, 0.57 ft above sea level, Feburary 17, 2009. Lowest water level measured during 2010 aquifer pump test was -1.06 ft above sea level, August 31, 2010 (recorder).
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 68 ft. Upper casing diameter 2 in; top of first opening 63 ft, bottom of last opening 68 ft. Drilled, observation well.
DATUM - Land-surface datum is 3.82 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of inner casing, 3.18 ft above land-surface datum, May 14, 2007 to present.
PERIOD OF RECORD - Intermittent water-quality data collected August 2007 to current year.
