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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
393617075380001 SCD-DP-15B
Northern Atlantic Coastal Plain aquifer system
Columbia Group
Columbia Group
LOCATION - Lat 39°36'17.12", long 75°38'00.08" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 13.6 ft. Upper casing diameter 2 in; top of first opening 12.6 ft, bottom of last opening 13.6 ft.
DATUM - Land-surface datum is 0.14 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 2" stainless, 2.8 ft above land-surface datum, Jun. 15, 2011 to Jul. 1, 2011; Top of 4" PVC, 3.52 ft above land-surface datum, Jun. 30, 2011 to present.
PERIOD OF RECORD - June 2011 to current year.
GAGE - For Water Years 2021-end of record in 2024: Records good.
For Water Years 2017-2020: No data collected.
For 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 2011 to January 26, 2017.
Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, June 2011 to January 26, 2017.
REMARKS -
Drive point 15B; USGS - Potomac Aquifer Study at Standard Chlorine, Delaware City. Missing data due to instrument removal during water quality sampling.
Site was discontinued; all equipment was removed during the 04/24/2024 visit.
EXTREMES FOR PERIOD OF RECORD -
New equipment installed on 09/03/2020: Highest water-level recorded, 2.84 ft above land surface, April 03, 2024 (recorder); lowest measured, 0.27 ft above land surface, September 29, 2022 (recorder).
Discontinued on 01/26/2017: Highest water-level recorded, 3.63 ft above sea level, May 1, 2014 (recorder); lowest measured, 0.55 ft above sea level, October 15, 2012 (recorder).
