Funding for this site is provided by:
--400808075210401 MONTGOMERY COUNTY, local
well number MG225
--Lat 40 08'10.2", long 75
21'02.5", Hydrologic Unit 02040203, at Willow and Locust
--Norristown State Hospital.
--Drilled observation well,
diameter 12 in, depth 486 ft, cased to 78 ft, open hole.
--Data collection platform with
60-minute recording interval.
--Elevation of land surface is 165 ft above sea
level, from topographic map. Measuring point: Top of plywood shelf,
2.35 ft above land-surface datum.
--Daily maximum, minimum, and mean water
levels are available from the District Office.
PERIOD OF RECORD.
--September 1956 to current
--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection and the U.S. Geological Survey.