USGS Water-Year Summary for Site 384526075091601

Click to hide Water-Year Summary instructions and information

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.

	Available Parameters
	00010 Temperature, water(Med.)
	00095 Specific cond at 25C(Med.)
	00300 Dissolved oxygen(Med.)
	00400 pH(Med.)

Select a water year

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

Print this page

USGS Water-Year Summary 2024

384526075091601 Ni51-32

Northern Atlantic Coastal Plain aquifer system
Columbia Group

LOCATION - Lat 38°45'26.36", long 75°09'15.91" referenced to North American Datum of 1983, Sussex County, DE, Hydrologic Unit 02040207,

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 139 ft. Upper casing diameter 16 in; top of first opening 85 ft, bottom of last opening 135 ft.

DATUM - Land-surface datum is 13.81 ft above National Geodetic Vertical Datum of 1929. Measuring point: Undefined, 0.00 ft above land-surface datum, Apr. 2, 1984 to present.

PERIOD OF RECORD - WATER TEMPERATURE: November 2014 to May 2019. SPECIFIC CONDUCTANCE: November 2014 to May 2019. pH: November 2014 to May 2019. DISSOLVED OXYGEN: October 2014 to May 2019.

REMARKS - U.S. Geological Survey telemeter-ed data collection platform near well. Water quality data are affected by well stabilization and are only collected during known pumping intervals as controlled by the DCP.

EXTREMES FOR PERIOD OF RECORD -

WATER TEMPERATURE: Maximum, 19.3°C, August 28, 2015. Minimum 14.0°C, March 7, 2019.

SPECIFIC CONDUCTANCE: Maximum, 194 microsiemens per centimeter, May 23, 2017 (recorder); minimum, 149 microsiemens per centimeter, August 17, 2000 (discrete).

pH: Maximum, 6.0, August 20, 018 and multiple occurrences following; minimum, 4.8, November 29, 2014.

DISSOLVED OXYGEN: : Maximum, 5.9 milligrams per liter, June 09, 2018; minimum, 3.2 milligrams per liter, August 27, 2018.

WATER-QUALITY RECORDS

WELL CHARACTERISTICS - Depth 139 ft. Upper casing diameter 16 in; top of first opening 85 ft, bottom of last opening 135 ft.

DATUM - Land-surface datum is 13.81 ft above National Geodetic Vertical Datum of 1929. Measuring point: Undefined, 0.00 ft above land-surface datum, Apr. 2, 1984 to present.

INSTRUMENTATION - Multi-parameter water-quality monitor with flow-cell installed near well.

REMARKS -

Water Year 2019; Records good.
Water Year 2018; Records good.
Water Year 2017; Records good.