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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 421730091405401 086N07W05ADB 06880 1954Troy Mills School

Linn County, Iowa
Hydrologic Unit Code 07080102
Latitude  42°17'30", Longitude  91°40'54" NAD27
Land-surface elevation 872 feet above NGVD29
The depth of the well is 245 feet below land surface.
This well is completed in the Niagaran Series (355NIGR) local aquifer.
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Graph of groundwater level data at USGS 421730091405401 086N07W05ADB 06880 1954Troy Mills School
Breaks in the plot represent a gap of at least one year between field measurements.
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