USGS Water-Year Summary 2019
402411077374801 JU 351
Valley and Ridge aquifers
Brallier, Harrel Formations Undifferentiated
LOCATION - Lat 40°24'10.9", long 77°37'47.6" referenced to North American Datum of 1983, Juniata County, PA, Hydrologic Unit 02050304, at State Game Land No. 215, and near Reeds Gap.
WELL CHARACTERISTICS - Depth 110 ft. Upper casing diameter 6 in; top of first opening 18 ft, bottom of last opening 110 ft. Drilled observation well, cased to 18 ft, open hole.
DATUM - Land-surface datum is 638 ft above North American Vertical Datum of 1988. Measuring point: top of metal cover, 3.55 ft above land-surface datum, Jan. 24, 2001, to present. Elevation of land surface is from Lidar.
PERIOD OF RECORD - June 1968 to current year.
GAGE - Data collection platform with 1-minute recording interval since December 14, 2016; prior recording interval was 60-minute. Satellite telemetry at station.
COOPERATION - Site maintained in cooperation with the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Prior to October 2000, the extremes were based on extremes of the daily maximum depth below land-surface datum. Since that date, the extremes are based on the instantaneous depth below land-surface datum. Highest water level, 10.65 ft below land-surface datum, Feb 7, l996; lowest, 16.62 ft below land-surface datum, Jun 10, 1994.