Funding for this site is provided by:
--402643075150501 BUCKS COUNTY, local
well number BK929
--Lat 40`26'42.4', long
75`15'1.6", Hydrologic Unit 02040105, at Nockamixon State
--U.S. Geological Survey.
--Shale of Brunswick Formation of Late
--Drilled observation well,
diameter 6 in., depth 116 ft, cased to 27 ft, open hole.
--Electronic data logger with
60-minute recording interval.
--Elevation of land surface is 487 ft above
North American Vertical Datum of 1988, from Lidar. Measuring point: Top
of plywood shelf, 3.0 ft above land-surface datum. Prior to Mar. 17,
1980, top of casing, 1.05 ft above land-surface datum. Prior to June
1970, land surface datum was approximately 16 feet lower.
--Daily maximum, minimum, and mean water
levels since October 1994 are available from the District Office.
PERIOD OF RECORD.
--November 1967 to current
--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection and the U.S. Geological Survey.