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USGS Water-Year Summary 2024
343152088213003 M0022 PRENTISS
Southeastern Coastal Plain aquifer system
Mc Shan Formation
Mc Shan Formation
LOCATION - Lat 34°31'52", long 88°21'30" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.28, T.6 S., R.9 E., Prentiss County, MS, Hydrologic Unit 03160101, 75 feet north of Crow's Store off of Hwy 4, ~3 miles west of Jamie Whitten Lock and Dam near Dennis (02430005) on the Tenn-Tom Waterway or about 6 miles SW of the Natchez-Trace Parkway (~ 3 miles SW of Dennis off of Hwy 25).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 176 ft. Upper casing diameter 4 in; top of first opening undefined, bottom of last opening undefined. Depth of well is 176 feet below land surface (LSD datum = 480.00 NGVD). Measuring point was saw mark at top of 4-inch gray well casing, 1.10 feet above land surface, it was reset at chiseled mark at 4-inch hole in metal floor set on gray well casing at 1.20 feet above land surface on Aug 15, 2017.
DATUM - Land-surface datum is 480 ft above National Geodetic Vertical Datum of 1929. Measuring point: old MP, saw mark in grey 4 inch coupling, 1.1 ft above land-surface datum, Jun. 8, 2017 to present; top edge of shelter floor @ black arrow, 1.2 ft above land-surface datum, Oct. 2, 2017 to present. Note: Gage shelter installed Aug 15-16, 2017, MP reset at 1.20 above LSD on Aug 16, 2017
PERIOD OF RECORD - Water-level measurements May 23, 1972 to Feb 08, 2006, June 06, 2017 (well pumped), and continuous record Aug 15, 2017 to present.
GAGE - Design Analysis Data Collection Platform installed Aug 15, 2017. Water level transmitted every hour. A 3 by 3 by 3-foot metal shelter is fixed on top of a metal floor with a 4-inch hole. It is set on top of a 4-inch gray well casing. A DA 5223 (s/n 13 K 1011760) is connected to a KPSI submersible pressure transducer. It is set to a 15-minute scan interval.
COOPERATION - This well is operated in cooperation with the USGS national groundwater monitoring network.
REMARKS - Aug 15, 2017 to current. Groundwater level records fair to good. Missing periods due to intermittent malfunctions are not estimated or gap filled.
PERIOD OF DAILY RECORD - Oct 11, 1974 and Nov 21, 1974 to Sep 30, 1981 (Maximum depth below land surface only), Oct 01, 1981 to Feb 08, 1984 and Oct 01, 1984 to Aug 20, 1985 (Maximum and Minimum depth below land surface only), Aug 16, 2017 to current
EXTREMES FOR PERIOD OF RECORD -
Highest measured GW elevation (ft) = 411.53 or 68.47 below LSD on Aug 27, 2003
Highest recorded GW elevation (ft) = 409.47 or 70.53 below LSD on May 12, 1975
Lowest measured GW elevation (ft) = 402.18 or 77.82 below LSD on Jan 30, 2018
Lowest recorded GW elevation (ft) = 401.95 or 78.05 below LSD on Jan 13, 2018
