Percival, IA Radon Levels

Q: What EPA Radon Zone is Percival in?

Percival is in Fremont County, EPA Zone 1.

Q: How much does radon mitigation cost in Percival?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Percival radon levels and find certified testing and mitigation professionals to keep your home safe

Percival, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Fremont County, IA

Zip Code 51648

Located in southwestern Iowa's Fremont County near the Missouri River, this small agricultural community sits atop glacial deposits and loess soils that contribute to Iowa's generally elevated radon conditions throughout the region. Current testing data for zip 51648 is unavailable, making professional radon measurement important for local homeowners seeking to understand their specific exposure risk. The area's rural housing stock, including older farmhouses with partial basements and newer ranch-style homes, creates varying potential for radon accumulation.

Percival, IA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon FAQ for Percival, IA

What EPA Radon Zone is Percival in?

Percival and the 51648 zip code are in Fremont County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Percival?

Radon mitigation in Percival typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Percival?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Iowa

Cities in Iowa with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Waterloo	8.50 pCi/L	4
Ames	9.67 pCi/L	3
Fairfield	14.00 pCi/L	2
Mount Pleasant	12.00 pCi/L	2
Ottumwa	5.50 pCi/L	2
Iowa City	7.00 pCi/L	1
Muscatine	No submissions	0