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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.

USGS 403429075392401 LE 644 Lehigh County Observation Well

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--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.
This station managed by the PAWSC Downingtown Field Office.

Available Parameters Period of Record
  
1971-01-14  2024-11-07








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Depth to water level, feet below land surface

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