USGS Water-Year Summary 2024
441644073315101 Ex-157, near Lewis NY
New York and New England crystalline-rock aquifers
Precambrian Erathem
LOCATION - Lat 44°16'43.9", long 73°31'51.2" referenced to North American Datum of 1983, Essex County, NY, Hydrologic Unit 04150408, near Lewis.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 300 ft. Upper casing diameter 6.5 in; top of first opening 60 ft, bottom of last opening 267 ft. Cased to 55.5 ft, open hole.
DATUM - Land-surface datum is 496.66 ft above North American Vertical Datum of 1988. Measuring point: Top of extended casing, 3.30 ft above land-surface datum, Sep. 26, 2006 to present.
PERIOD OF RECORD - October 2006 to current year.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel. Prior to May 20, 2009, field measurements by USGS personnel (see REMARKS).
EXTREMES FOR PERIOD OF RECORD - Highest water level, 15.81 ft below land-surface datum, May 28, 2011; lowest water level, 19.21 ft below land-surface datum, Aug. 1, 2010.