USGS Water-Year Summary 2024
440939075191301 L-174, at Harrisville NY
Sand and gravel aquifers (glaciated regions)
Lake Deposits
LOCATION - Lat 44°09'39", long 75°19'13" referenced to North American Datum of 1983, Lewis County, NY, Hydrologic Unit 04150302, at Harrisville.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 45 ft. Upper casing diameter 2 in; top of first opening 35 ft, bottom of last opening 40 ft. Cased to 45 ft (screen, 35 ft to 40 ft).
DATUM - Land-surface datum is 778.65 ft above North American Vertical Datum of 1988. Measuring point: Top of 4-in casing, 3.22 ft above land-surface datum, Jul. 22, 2013 to present; Metal strip on shelter shelf over well opening, 3.49 ft above land-surface datum, Jul. 22, 2013 to present.
PERIOD OF RECORD - August 2002 to current year.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 19.75 ft below land-surface datum, May 27, 2011; lowest water level, 26.36 ft below land-surface datum, Oct. 21, 2016.