USGS Water-Year Summary 2024
431120071284201 NH-PBW 148 Pembroke, NH
New York and New England crystalline-rock aquifers
Bedrock
LOCATION - Lat 43°11'19.75", long 71°28'42.11" referenced to North American Datum of 1983, Merrimack County, NH, Hydrologic Unit 01070002, at southeast corner of 331 Commerce Way, 0.3 mi northeast of intersection of Commerce Way and Rte 106, and 0.8 mi northeast of Rte 3 and 106 junction in Pembroke. Owner: US Geological Survey.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 94 ft. Upper casing diameter 4 in; top of first opening 18 ft, bottom of last opening 94 ft. Drilled, unused water-table well.
DATUM - Land-surface datum is 383.22 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 2.2 ft above land-surface datum, May. 16, 2000 to present.
PERIOD OF RECORD - May 2000 to current year.
GAGE - Electronic water-level recorder with hourly readings. Prior to October 2008, monthly readings were published.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 5.70 ft below land-surface datum, March 19, 2011; lowest water level measured, 11.98 ft below land-surface datum, October 13, 2020.