USGS Water-Year Summary for Site 644400147151502

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	72019 Water level, depth LSD(Mean,Min.,Max.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

644400147151502 FD00200224ABBB2 001 P-251A

Alaska unconsolidated-deposit aquifers
Chena Alluvium

LOCATION - Lat 64°44'00", long 147°15'27" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4 sec.24, T.2 S., R.2 E., Fairbanks North Star Borough, AK, Hydrologic Unit 19080306, (Fairbanks C-1) Fairbanks Meridian, in road right-of-way at intersection of Nelson and Laurence Roads near North Pole.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 29 ft. Upper casing diameter 4 in; top of first opening 18.2 ft, bottom of last opening 26.2 ft.

DATUM - Land-surface datum is 503.5 ft above National Geodetic Vertical Datum of 1929. Measuring point: ESTABLISHING DATUM FOR NEW P251A WELL, REPLACES P251. MP IS TOP OF STEEL CASING, 3.68 ft above land-surface datum, Feb. 28, 2012 to Mar. 15, 2012; ESTABLISHING DATUM FOR NEW P251A WELL, REPLACES P251. MP IS TOP OF STEEL CASING, 507.18 ft above land-surface datum, Feb. 28, 2012 to Mar. 15, 2012; MP IS STEEL CASING, 3.5 ft above land-surface datum, Mar. 15, 2012 to May. 10, 2012; MP IS STEEL CASING, 507.0 ft above land-surface datum, Mar. 15, 2012 to May. 10, 2012; Stamped mark on metal ring inside casing, 2.19 ft above land-surface datum, May. 10, 2012 to present; Stamped mark on metal ring inside casing, 505.69 ft above land-surface datum, May. 10, 2012 to present. A correction factor of +4.69 ft is required to obtain land-surface datum in North American Vertical Datum of 1988 Geoid 12.

PERIOD OF RECORD - March 2012 to December 2021 (discontinued).

GAGE - Submersible pressure transducer/electronic data logger.

REMARKS - Observation well drilled by the U.S. Army Corps of Engineers, designated as P-251A. Replaces old P-251 well, 644400147151501. Water levels may be affected from regulation of the Chena River by the U.S. Army Corps of Engineers during periods of high flow.

EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 10.26 ft below land-surface datum on May 8 and July 2, 2020; lowest, 14.47 ft below land-surface datum on April 13-16, 2014.