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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 404140077354001 MF 344 Mifflin County Observation Well


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Station gage imageSTATION.--404140077354001 MIFFLIN COUNTY, local well number MF344
LOCATION.--Lat 40 41'41.2", long 77 35'38.2", Hydrologic Unit 02050304, at Roseann.
OWNER.--Privately owned.
AQUIFER.--Bellefonte Formation, Early-Middle Ordovician age.
WELL CHARACTERISTICS.--Drilled observation well, diameter 6 in, depth 200 ft, cased to 42 ft, open hole.
INSTRUMENTATION.--Data collection platform with 15-minute recording interval since April 2023; prior, 60-minute recording interval. Satellite telemetry at station.
DATUM.--Elevation of land surface is 804 ft above North American Vertical Datum of 1988, from Lidar. Measuring point: Top of shelter platform, 2.92 ft above land-surface datum.
REMARKS.--Daily maximum, minimum, and mean water levels are available from the District Office.
PERIOD OF RECORD.--September 1983 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 New Cumberland Office.

Available Parameters Period of Record
1983-09-08  2024-04-17


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