USGS Water-Year Summary 2024
393603075382702 Dc42-60
Potomac Group
LOCATION - Lat 39°36'02.50", long 75°38'26.72" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 206.1 ft. Upper casing diameter 2 in; top of first opening 201.1 ft, bottom of last opening 206.1 ft.
DATUM - Land-surface datum is 48.24 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 2" Sch80 PVC, 2.54 ft above land-surface datum, Apr. 29, 2014 to present.
PERIOD OF RECORD - June 2014 to December 2016.
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 December 2016.
EXTREMES FOR PERIOD OF RECORD - Highest water-level measured, 2.04 ft above sea level, June 13, 2014 (recorder); lowest measured, -1.51 ft above sea level, September 15, 2015 (recorder).