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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
412149073445601 P-1217, at Carmel NY
New York and New England crystalline-rock aquifers
Precambrian Erathem
Precambrian Erathem
LOCATION - Lat 41°21'49.4", long 73°44'55.5" referenced to North American Datum of 1983, Putnam County, NY, Hydrologic Unit 02030101, at Carmel.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 655 ft. Upper casing diameter 6 in; top of first opening 115 ft, bottom of last opening 215 ft. Well filled in from original depth of 683 ft, cased to 39 ft, open hole.
DATUM - Land-surface datum is 767.62 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.35 ft above land-surface datum, Aug. 3, 2004 to Oct. 25, 2021; Top of shelter shelf, 1.39 ft above land-surface datum, Sep. 13, 2012 to Aug. 28, 2017; Top of shelter shelf, 1.37 ft above land-surface datum, Aug. 28, 2017 to Oct. 25, 2021; Top of casing, 1.3 ft above land-surface datum, Oct. 25, 2021 to present; Top of shelter shelf, 1.35 ft above land-surface datum, Oct. 25, 2021 to present.
PERIOD OF RECORD - October 2004 to current year. Prior to October 2011, published as number 412149073455501.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel.
REMARKS - Satellite water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 8.63 ft below land-surface datum, Mar. 7, 2011; lowest water level, 18.74 ft below land-surface datum, Sept. 5, 2022.
