USGS Water-Year Summary 2024
430739078502701 Ni-869, at Shawnee NY
New York and New England carbonate-rock aquifers
Lockport Dolomite
LOCATION - Lat 43°07'39", long 78°50'27" referenced to North American Datum of 1927, Niagara County, NY, Hydrologic Unit 04120104, behind fire station at Shawnee.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 36.7 ft. Upper casing diameter 4 in; top of first opening 12 ft, bottom of last opening 36.7 ft. Cased to 36.7 ft (screen, 12 ft to 36.7 ft).
DATUM - Land-surface datum is 618.53 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 2.83 ft above land-surface datum, Aug. 20, 2013 to present.
PERIOD OF RECORD - August 2003 to current year.
GAGE - Water-stage recorder--15 minute; periodic measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.72 ft above land-surface datum, July 31, 2004; lowest water level, 7.83 ft below land-surface datum, Nov. 18, 2007.