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Radon Testing · Winona, MN

Radon Testing in Winona

Radon Testing in Winona, MN by Closer Look Inspectors. A photo-mapped digital report within 24 hours.

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Winona · Winona County

Radon Testing in Winona

Radon Testing in Winona, Winona County, by Closer Look Inspectors. Winona is a Mississippi bluff city of Victorian and early-1900s homes below the limestone bluffs.

Radon testing places an EPA-protocol continuous monitor on a home's lowest livable level to measure radon gas — and it matters across Minnesota, where more than two in five homes test above the action level.

Questions about a Winona home?  ·  Call or text (612) 457-1634

Two-story home with lit windows in fresh snow at dusk — Radon Testing in Winona, MNWinona
Local housing

Homes in Winona.

Winona housing runs to Victorian and early-1900s homes below the limestone bluffs, across the historic core beneath the bluffs and the newer edges, on river-valley ground below steep limestone bluffs — and that mix shapes what a radon testing here needs to find.

Local conditions in Winona

Out in Winona, many properties sit beyond city sewer and water on private septic systems and wells, so we flag those for the specialized testing they deserve. Winona sits in Winona County, in EPA Radon Zone 1, and MDH reports more than two in five Minnesota homes have radon levels that pose a significant health risk. Finished basements concentrate radon, and only a 48-hour test tells you the number. Footings here must reach the 3-1/2-foot depth Minnesota Rules 1303.1600 set for the southern frost zone, and that annual freeze-thaw cycle is what drives the settlement cracks, frost heave and ice-dam wear that Winona-area homes face.

Home inspection in Winona →  ·  More about radon testing →

Questions

Common questions.

Is radon really a concern in Minnesota?
Yes. The Minnesota Department of Health reports that more than two in five Minnesota homes have radon levels that pose a significant health risk, and finished basements are where it concentrates.
How long does the test run?
A 48-hour minimum under closed-house conditions; the result is delivered with your inspection report.
What do Winona's bluff-base homes need watched?
Bluff runoff. Water coming off the limestone concentrates at the base where much of the historic housing sits, so grading, drainage and foundation moisture come first — then the century-old systems, masonry movement and original wiring that Victorian stock carries.
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