USGS Water-Year Summary 2024
413835093384601 079N24W21ABA 2020I-35S2
LOCATION - Lat 41°38'35.28", long 93°38'45.48" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 NE 1/4 sec.21, T.79 N., R.24 W., Polk County, IA, Hydrologic Unit 07100004,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 20.8 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 796 ft above North American Vertical Datum of 1988. Measuring point: Black mark at top of casing, 0.57 ft above land-surface datum, UNDEFINED BEGIN DATE to present.
PERIOD OF RECORD - November 2, 2020 to February 1, 2023
EXTREMES FOR PERIOD OF RECORD -
Highest water level: 4.15 ft. on June 19, 2022
Lowest water level: 8.81 ft. on May 12, 2021