Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
430121074523001 He-1836, at Little Falls NY
New York and New England carbonate-rock aquifers
Little Falls Dolomite
Little Falls Dolomite
LOCATION - Lat 43°01'20.8", long 74°52'30.3" referenced to North American Datum of 1983, Herkimer County, NY, Hydrologic Unit 02020004, at Little Falls.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 97 ft. Upper casing diameter 6 in; top of first opening 37 ft, bottom of last opening 94 ft. Well filled in from original depth of 100 ft, cased to 21 ft, open hole.
DATUM - Land-surface datum is 426.4 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 6.15 ft above land-surface datum, Jul. 27, 2009 to present; Top of shelter shelf, 6.30 ft above land-surface datum, Nov. 2, 2016 to present.
PERIOD OF RECORD - October 2008 to current year.
GAGE - Water-stage recorder--15 minute; periodic manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 33.34 ft below land-surface datum, June 28, 2013; lowest water level recorded, 66.55 ft below land-surface datum, Aug. 14, 2011, but may have been lower during period of instrument malfunction.
