USGS Water-Year Summary 2020
430327073475401 Sa-529, at Saratoga Springs NY
New York and New England carbonate-rock aquifers
LOCATION - Lat 43°03'27", long 73°47'54" referenced to North American Datum of 1927, Saratoga County, NY, Hydrologic Unit 02020003, at Saratoga Springs.
WELL CHARACTERISTICS - Depth 290 ft. Upper casing diameter 6 in; top of first opening 190 ft, bottom of last opening 270 ft. Cased to 189 ft, open hole. Elevation of land-surface datum is 306.31 ft above NGVD of 1929 and 305.74 ft above NAVD 1988 (VERTCON).
DATUM - Land-surface datum is 306.31 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 2.31 ft above land-surface datum, Jun. 1, 1978 to present; Top of shelter shelf, 2.56 ft above land-surface datum, Apr. 27, 2016 to present.
PERIOD OF RECORD - May 1949 to November 1961, August 1964 to August 1995, October 2006 to current year.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 38.63 ft below land-surface datum, Apr. 16, 2007; lowest water level, 56.20 ft below land-surface datum, July 29, 1949.