USGS Water-Year Summary for Site 341453091544101

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

341453091544101 05S08W30ADB1

Mississippi embayment aquifer system
Sparta Sand

LOCATION - Lat 34°14'52.32", long 91°54'40.20" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 NE 1/4 sec.30, T.5 S., R.8 W., Jefferson County, AR, Hydrologic Unit 11110207, These directions are from The USGS Little Rock, AR office at 401 Hardin Rd. Turn left onto Financial Centre Pkwy.Then 0.35 miles Stay straight to go onto Financial Centre Pkwy. Then 0.75 miles Financial Centre Pkwy becomes I-630 E. Then 6.96 miles Merge onto I-30 W/US-65 S/US-167 S toward Texarkana. Then 1.57 miles Keep left to take I-530 S/US-65 S toward Little Rock/Natl Airport/River Port/Pine Bluff/El Dorado. Then 34.93 miles Take the US-65B S exit, EXIT 35, toward Downtown. Then 0.85 miles Merge onto US-65 Bus S. Then 7.61 miles Turn left onto Market St/AR-15. Continue to follow AR-15. AR-15 is 0.8 miles past Commerce Rd Then 4.64 miles Turn left onto Frenchtown-Auburn Levee Rd. Frenchtown-Auburn Levee Rd is 0.7 miles past Andrews Rd Then 0.12 miles Take the 1st left onto Highway 81 N/AR-81. If you reach the end of Frenchtown-Auburn Levee Rd you've gone about 1.4 miles too far

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 753 ft. Upper casing diameter 6 in; top of first opening 733 ft, bottom of last opening 753 ft.

DATUM - Land-surface datum is 197 ft above North American Vertical Datum of 1988. Measuring point: Unknown, 1.5 ft above land-surface datum, Oct. 29, 1969 to Nov. 3, 1972; Unknown, 0.5 ft above land-surface datum, Oct. 30, 1969 to Apr. 21, 1985; Unknown, 1.3 ft above land-surface datum, Apr. 21, 1985 to Apr. 16, 1993; Unknown, 0.5 ft above land-surface datum, Apr. 16, 1993 to Apr. 28, 2001; Plub hole top of casing, 0.5 ft below land-surface datum, Apr. 28, 2001 to Feb. 15, 2007; Top of pipe extending from top of casing, 0.6 ft above land-surface datum, Feb. 15, 2007 to present; Top of transducer pipe, 0.3 ft above land-surface datum, Jul. 24, 2009 to present.

PERIOD OF RECORD - Semi-annual from Oct 1969 to Mar 1979, periodic from Mar 1980, and continuous from Feb 2007 to current year.

GAGE - Continuous transducer with modem telemetry. Land Surface Datum of gage is 219.15 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).

Prior to August 19, 2024, the datum of gage was 197 ft NAVD of 1988. However, was selected from a topographical map with an accuracy of 4.3 ft.

COOPERATION - Arkansas Natural Resources Commission.

EXTREMES FOR PERIOD OF RECORD - Highest water level, 235.20 ft below land surface datum, Mar 30, 1970; lowest water level, 301.07 ft below land surface datum, Sep 5, 2007.