USGS Water-Year Summary 2024
393603075382701 Dc42-59
Potomac Group
LOCATION - Lat 39°36'02.53", long 75°38'26.78" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 148.4 ft. Upper casing diameter 2 in; top of first opening 143.4 ft, bottom of last opening 148.4 ft.
DATUM - Land-surface datum is 48.26 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 2" Sch80 PVC, 2.36 ft above land-surface datum, May 6, 2014 to present.
PERIOD OF RECORD - June 2014 to October 29, 2015.
GAGE -
Water Years 2014-2016: Records good.
Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, June 2014 to present.
EXTREMES FOR PERIOD OF RECORD - Highest water-level measured, 1.98 ft above sea level, June 13, 2014; lowest measured, -1.47 ft above sea level, September 21, 2015.