Radon Mitigation in Nevada, IA

Nevada, IA sits about 10 miles east of Ames as the Story County seat, and county-seat status comes with county-seat housing: established neighborhoods that have been settling onto their basements for generations, alongside newer growth at the edges. All of it sits on the same uranium-bearing glacial till that puts every square mile of Story County in EPA Zone 1, in the state with the highest indoor radon average in the country, 8.5 pCi/L against a national 1.3.

Radon services in Nevada (50201)

• Radon testing, including 48-hour transaction tests on real-estate timelines
• Sub-slab depressurization mitigation systems
• Mitigation system repair and fan replacement
• Passive-system activation on new construction built under Iowa’s 2026 law

What radon looks like in Nevada homes

Older county-seat housing means basements, sump pits, and foundations with decades of settling behind them, which is exactly the profile where Iowa radon numbers run high and where sub-slab depressurization works well. The till under Story County is uneven, so readings swing house to house: one street reads low, the next reads triple the action level, and no exterior clue tells you which is which. With 71.6% of Iowa homes at or above 4.0 pCi/L, the odds in Nevada favor testing, not guessing.

The closed-house season makes central Iowa’s problem seasonal in intensity: from roughly November through April, shut windows and a running furnace pull soil gas indoors at the year’s highest rates. Winter tests give the honest number.

The county-seat paper trail

Nevada residents deal with the practical side of Iowa’s radon rules too: sellers disclose known results, buyers test during inspections, and the school district, like every Iowa district, now tests on a five-year cycle under the 2024 law. When a result crosses 4.0, Iowa Code 136B requires the fix to come from a state-credentialed Radon Mitigation Specialist, a filter worth applying to any quote you get, from anyone.

Free quotes and straight answers across Nevada and the rest of Story County. Call, tell us the house and the number if you have one, and we’ll tell you what it needs.