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Water-Year Summary for Site 410057095075102

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
72019 Water level, depth LSD(Max.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
410057095075102 072N37W29BABA 1937IACRN-7a
Sand and gravel aquifers (glaciated regions)
Pleistocene Series
LOCATION - Lat 41°00'57.7", long 95°07'53.3" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.29, T.72 N., R.37 W., Montgomery County, IA, Hydrologic Unit 10240005,
REVISIONS HISTORY -

Revisions: Land-surface datum was updated to 1,277.47 ft NAVD88 on March 29, 2024, as determined by a GNSS Level II survey. Land-surface datum was previously published as 1,276.77 ft NAVD88 from digital topographic map. Discrete water-level measurements referenced to NGVD29 and NAVD88 were revised, based on changes to the land-surface datum.

Revisions: Water levels below land-surface datum and associated discrete water-level measurements prior to Feb. 7, 2024, were revised on March 29, 2024, due to an incorrect measuring point (MP) height. Previous MP was 2.50 ft above land-surface datum (LSD). New corrected MP height is 1.25 ft above LSD.


GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 50 ft. Upper casing diameter 2 in; top of first opening 15 ft, bottom of last opening 50 ft.
DATUM - Land-surface datum is 1,276.21 ft above North American Vertical Datum of 1988. Measuring point: Marks on top of PVC well casing, 2.5 ft above land-surface datum, Jun. 19, 2019 to present.