Funding for this site is provided by:
STATION.--403429075392401 LEHIGH COUNTY, local well
number LE 644
LOCATION.--Lat 40`34'30.4", long
75`39'22.4", Hydrologic Unit 02040106, at Haafsville.
OWNER.--Privately owned.
AQUIFER.--Beekmantown Group of Middle Ordovician
age.
WELL CHARACTERISTICS.--Drilled observation observation
well, diameter 10 in, depth 184 ft, cased to 63 ft, open hole.
INSTRUMENTATION.--Data collection platform with
15-minute recording interval since June 2023; prior, 60-minute
recording interval. Satellite telemetry at station.
DATUM.--Elevation of land surface is 473 ft above
North American Vertical Datum of 1988, from Lidar. Measuring point: Top
of plywood shelf, 2.65 ft above land-surface datum. Prior to Mar. 18,
1981, top of casing, 1.45 ft above land-surface datum.
REMARKS.--Daily maximum, minimum, and mean water
levels since October 1994 and water-quality records for 1973-75 are
available from the District Office.
PERIOD OF RECORD.--January 1971 to current year.
COOPERATION.--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection and the U.S. Geological Survey.
