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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
393553075382403 Dc52-178
Potomac Group
LOCATION - Lat 39°35'52.79", long 75°38'23.67" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 192.2 ft. Upper casing diameter 2 in; top of first opening 187.2 ft, bottom of last opening 192.2 ft.
DATUM - Land-surface datum is 28.55 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 2" Sch80 PVC, 2.23 ft above land-surface datum, Apr. 25, 2014 to present.
PERIOD OF RECORD - May 2014 to current year.
GAGE - Water Year 2016: records good.
Water Year 2015: records good with deleted data from 09/14/15 to 10/28/15 due to instrument malfunction.
Water Year 2014: records good.
Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, May 2014 to January 26, 2017.
Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, May 2014 to January 26, 2017.
REMARKS - Well PW-19D; USGS - Potomac Aquifer Study at Standard Chlorine, Delaware City. Missing data due to instrument removal during water quality sampling.
EXTREMES FOR PERIOD OF RECORD - Highest water-level measured, -6.78 ft above sea level, July 28, 2014 (recorder); lowest measured, -30.76 ft above sea level, September 14, 2015 (recorder).
