USGS Water-Year Summary 2022
404834073403701 N 12507. 1
Northern Atlantic Coastal Plain aquifer system
LOCATION - Lat 40°48'34", long 73°40'37" referenced to North American Datum of 1927, Nassau County, NY, Hydrologic Unit 02030201, Located at southwest side of Bonnie Heights Road, in Flower Hill Village Hall parking lot, Flower Hill.
WELL CHARACTERISTICS - Depth 615 ft. Upper casing diameter 4 in; top of first opening 585 ft, bottom of last opening 605 ft.
PERIOD OF RECORD - September 1994 to March 1998, January 2002 to current year.
GAGE - Water-level recorder installed July 2004; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 27.38 ft above sea level, March 25, 2013; lowest recorded, 4.19 ft above sea level, August 23, 1995.