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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
391933075435001 Hb12-05
Northern Atlantic Coastal Plain aquifer system
Columbia Group
Columbia Group
LOCATION - Lat 39°19'32.9", long 75°43'49.8" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02060002,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 22 ft. Upper casing diameter .17 in; top of first opening 14 ft, bottom of last opening 20 ft.
DATUM - Land-surface datum is 67 ft above North American Vertical Datum of 1988. Measuring point: unknown, 1.76 ft above land-surface datum, Dec. 1, 2016 to present.
PERIOD OF RECORD - December 2016 to current year
GAGE - Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder from December 2016 to current year.
REMARKS -
For Water Years 2017-2023: Records good.
Maryland Groundwater-Level Monitoring Network observation well. Water levels are affected by natural climatic changes. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 2.57 ft below land surface, December 25, 2020; lowest measured, 9.54 ft below land surface, October 02, 2022.
