USGS Water-Year Summary 2021
420530078445201 Ct-121, near Red House NY
Sand and gravel aquifers (glaciated regions)
Sand and Gravel
LOCATION - Lat 42°05'30", long 78°44'52" referenced to North American Datum of 1927, Cattaraugus County, NY, Hydrologic Unit 05010001, 3.6 mi south of State Route 83, in Allegheny State Park, near Red House.
- The elevation of land-surface datum was corrected on Dec. 15, 2020, from 1,467.08 ft above NGVD of 1929 to 1,464.33 ft above NGVD of 1929 and from 1,466.59 ft above NAVD of 1988 to 1,463.83 ft above NAVD of 1988.
WELL CHARACTERISTICS - Depth 52.8 ft. Upper casing diameter 6 in; top of first opening undefined, bottom of last opening undefined. Cased to 52.8 ft, open end. Elevation of land-surface datum is 1,464.33 ft above NGVD of 1929 and 1,463.83 ft above NAVD of 1988.
DATUM - Land-surface datum is 1,463.83 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 2.23 ft above land-surface datum, Sep. 21, 2012 to present; File marks on 2" PVC pipe, 2.22 ft above land-surface datum, Mar. 6, 2018 to present.
PERIOD OF RECORD - September 1950 to current year.
GAGE - Water-stage recorder--15 minute; periodic measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 0.97 ft below land-surface datum, June 26, 1989; lowest measured, 34.87 ft below land-surface datum, Nov. 21, 1972 due to nearby pumping.