USGS Water-Year Summary 2024
445216074593001 St-404, near Louisville NY
New York and New England carbonate-rock aquifers
Beekmantown Group
LOCATION - Lat 44°52'16", long 74°59'30" referenced to North American Datum of 1927, St. Lawrence County, NY, Hydrologic Unit 04150305, near Louisville.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 179 ft. Upper casing diameter 6 in; top of first opening 113 ft, bottom of last opening 160 ft. Cased to 54 ft, open hole.
DATUM - Land-surface datum is 246.88 ft above North American Vertical Datum of 1988. Measuring point: Top of extended casing, 3.90 ft above land-surface datum, Sep. 14, 2004 to present; Top of coupling on extended casing, 4.16 ft above land-surface datum, Sep. 14, 2004 to present; Top of shelter shelf, 4.58 ft above land-surface datum, Jul. 9, 2014 to present.
PERIOD OF RECORD - June 1958 to November 1964, November 1985 to August 1995, October 2004 to current year.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel. November 1985 to August 1995, monthly tape measurement by observer.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 11.83 ft below land-surface datum, Nov. 24, 1986; lowest water level, 17.53 ft below land-surface datum, Sept. 3, 4, 2012.