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- 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.
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USGS Water-Year Summary 2024
412154071462901 Westerly well WEW 522
Sand and gravel aquifers (glaciated regions)
Stratified Deposits, Undifferentiated
Stratified Deposits, Undifferentiated
LOCATION - Lat 41°21'54", long 71°46'29" referenced to North American Datum of 1927, Washington County, RI, Hydrologic Unit 01090005, Located approximately 380 ft north of Pound Road and 350 ft west of Dunns Corner Road in Westerly.
REVISIONS HISTORY - Field measurements reported in North American Vertical Datum of 1988 and National Geodetic Vertical Datum of 1929 were revised on October 22, 2024 to reflect update to land-surface datum elevation.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 16 ft. Upper casing diameter 30 in; top of first opening 16 ft, bottom of last opening 16 ft.
DATUM - Land-surface datum is 48.5 ft above North American Vertical Datum of 1988. Measuring point: southwest corner of stone casing, 0.91 ft above land-surface datum, Apr. 20, 1966 to Jul. 26, 2003; hole in rock cap, 0.72 ft above land-surface datum, Jul. 25, 2003 to present.
PERIOD OF RECORD - April 1966, January 1969 to current year.
GAGE - Digital recorder with telephone telemeter, July 2008 to current year. Digital recorder, November 2002 to February 2005. Monthly measurement with calibrated electric tape or chalked steel tape by U.S. Geological Survey personnel prior to November 2002. Land-surface datum of gage is 48.5 ft above North American Vertical Datum of 1988, prior to March 12, 2024 datum was previously reported at 44.06 ft above North American Vertical Datum of 1988.
COOPERATION - Rhode Island Department of Environmental Management, Rhode Island Water Resources Board.
REMARKS - Records are good. Periods of missing record are not estimated.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 7.34 ft below land-surface datum, Mar. 30, 2010; lowest, 14.99 ft below land-surface datum, Aug. 25, 1999.
