USGS Water-Year Summary for Site 393617075380402

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	62610 Elevation, GW, NGVD29(Max.,Min.,Mean) [Discontinued]
	72019 Water level, depth LSD(Max.,Min.,Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

393617075380402 SCD-DP-10B

Northern Atlantic Coastal Plain aquifer system
Columbia Group or Aquifer

LOCATION - Lat 39°36'16.8", long 75°38'03.55" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205,

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 10.9 ft. Upper casing diameter 2 in; top of first opening 9.9 ft, bottom of last opening 10.9 ft.

DATUM - Land-surface datum is 1.20 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 2" stainless, 2.54 ft above land-surface datum, Apr. 27, 2011 to Jul. 1, 2011; Top of 4" PVC, 3.51 ft above land-surface datum, Jun. 30, 2011 to present.

PERIOD OF RECORD -

April 27, 2011, to March 21, 2013,

July 14, 2015, to September 01, 2016.

September 03, 2020, to April 24, 2024.

GAGE -

For Water Year 2024, records good through February 7, 2024, then fair until the end of data collection on April 24, 2024.

For Water Years 2021-2023, records good.

For Water Years 2015-2016, records good. Recorder removed September 1, 2016.

Water-level measurements by U.S. Geological Survey personnel. Equipped with a digital water-level recorder - 15 minute recording interval, July 22 to August 12, 2015 and September 21, 2015 to September 1, 2016. And from October 20, 2020, to the present date.

REMARKS -

Drive point 10B; USGS - Weltands Study at Standard Chlorine, Delaware City. Missing data due to instrument removal during water-quality sampling. Recorder removed on September 1, 2016.

Site was discontinued; all equipment was removed during the 04/24/2024 visit.

EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 2.80 ft above land surface, (Recorder: max, October 30, 2012); lowest measured, 0.07 ft below land surface, (Recorder: min, September 02, 2022).