USGS Water-Year Summary 2024
440013074244101 Local number, H-71, near Long Lake NY
New York and New England crystalline-rock aquifers
Precambrian Erathem
LOCATION - Lat 44°00'13.3", long 74°24'41.2" referenced to North American Datum of 1983, Hamilton County, NY, Hydrologic Unit 04150305, near Long Lake.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 700 ft. Upper casing diameter 6 in; top of first opening 65 ft, bottom of last opening 700 ft.
DATUM - Land-surface datum is 1,644.02 ft above North American Vertical Datum of 1988. Measuring point: Top of shelter shelf, 1.62 ft above land-surface datum, Jun. 9, 2020 to Sep. 8, 2022; Top of shelter shelf, 1.63 ft above land-surface datum, Sep. 8, 2022 to present.
PERIOD OF RECORD - June 2020 to current year.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 4.21 ft below land-surface datum, May 2, 3, 2023; lowest water level, 8.60 ft below land-surface datum, Mar. 22, 2021.