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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.
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USGS Water-Year Summary 2024
404239076362001 NU 567
Valley and Ridge aquifers
Irish Valley Member of Catskill Formation
Irish Valley Member of Catskill Formation
LOCATION - Lat 40°42'38.9", long 76°36'19.7" referenced to North American Datum of 1983, Northumberland County, PA, Hydrologic Unit 02050301, at 0.3 mi southwest of intersection T371 and T488, 1.2 mi east of Leck Kill.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 156 ft. Upper casing diameter 6 in; top of first opening 24 ft, bottom of last opening 156 ft. Drilled observation well, cased to 23.5 ft.
DATUM - Land-surface datum is 946.47 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of metal shelf, 3.25 ft above land-surface datum, Mar. 19, 2001 to present. Elevation of land surface is from survey.
PERIOD OF RECORD - January 1995 to current year.
GAGE - Data collection platform with 15-minute recording interval since April 2023; prior, 60-minute recording interval. Satellite telemetry at station.
COOPERATION - Site maintained in cooperation with the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
REMARKS - Data from Jan 1, 1995 to Mar 16, 2001 collected by Agricultural Research Service (ARS). Well is part of the ground-water monitoring network within the ARS experimental watershed WE-38. Daily mean water levels are available for this well for the period of record. For some years, daily minimum and daily maximum water levels may also be available from the USGS Pennsylvania Water Science Center Office.
EXTREMES FOR PERIOD OF RECORD - The extremes shown are extremes of the instantaneous depth below land surface for the period of record indicated above. Highest water level, 12.41 ft below land-surface datum, Apr 3, 2005; lowest, 32.65 ft below land-surface datum, Dec 11, 12, 2001.
