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Radon Testing · Wall Lake, IA

Radon Testing in Wall Lake

Radon Testing in Wall Lake, IA by Closer Look Inspectors. A photo-mapped digital report within 24 hours.

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Wall Lake · Sac County

Radon Testing in Wall Lake

Radon Testing in Wall Lake, Sac County, by Closer Look Inspectors. Wall Lake is a railroad town platted in 1877 beside the lake it was named for, with a restored 1899 depot.

Radon testing places an EPA-protocol continuous monitor on a home's lowest livable level to measure radon gas — and it matters across Iowa, where Iowa HHS reports 71.6 percent of homes above the action level — the largest percentage of any state.

Wall Lake is served by our Ida Grove team →  ·  (563) 517-7815

Single-story yellow brick rambler with attached garage — Radon Testing in Wall Lake, IAWall Lake
Local housing

Homes in Wall Lake.

Wall Lake housing runs to houses from the railroad decades after the 1877 platting through the early 1900s, with postwar and later infill, across the blocks around the restored Chicago and North Western depot, the lakeside edge of town, and the residential streets north of the tracks, on glacial uplands at the western edge of the Des Moines Lobe, with a shallow lake basin beside the town — and that mix shapes what a radon testing here needs to find.

Local conditions in Wall Lake

No Iowa law requires a home inspection before a sale — the one mandatory time-of-transfer inspection covers private septic systems (Iowa Code 455B.172) — which makes an independent inspection the only thorough, buyer-side read on a Wall Lake home. Wall Lake sits in Sac County, and every Iowa county is EPA Radon Zone 1. Iowa HHS reports Iowa has the largest percentage of homes above the 4.0 pCi/L action level of any state — 71.6 percent in the Iowa Radon Survey — and the Iowa seller disclosure form asks for any known radon test results. Finished basements concentrate it, and only a 48-hour test gives you this home's number. Iowa leaves frost depth to the local building code rather than one statewide number, and the annual freeze-thaw cycle drives the settlement cracks and ice-dam wear that Wall Lake-area homes face.

Home inspection in Wall Lake →  ·  More about radon testing →

Questions

Common questions.

Is radon really a concern in Iowa?
Yes. The Iowa Department of Natural Resources reports that more than two in five Iowa 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 should an inspector look for in a house near the old Wall Lake rail depot?
Wall Lake was served by both the Chicago and North Western and the Illinois Central, and the C&NW depot built in 1899 was added to the National Register of Historic Places in 2003. Houses near the tracks went up during that rail boom and often carry original balloon framing, knob-and-tube remnants, single-pane windows and additions stacked on additions. The eras of the wiring and plumbing, sill plates and floor framing where decades of moisture have worked, and the roof layers are all worth a look. Sac County is EPA Radon Zone 1, so radon testing belongs in the inspection.
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