Madrid, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Madrid in?

Madrid is in Boone County, EPA Zone 1.

Q: How much does radon mitigation cost in Madrid?

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

Boone County

EPA Zone 1

Located in Boone County within the Des Moines metropolitan area, Madrid sits in Iowa's glaciated prairie region where deep glacial deposits create high radon potential. The area's characteristic till soils over limestone bedrock, combined with traditional Midwest basement construction, provide optimal conditions for radon accumulation. With testing data for the 50156 zip code currently unavailable, residents should prioritize professional radon measurement to assess their individual exposure risks.

Madrid, IA Radon Mitigation

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

Madrid, IA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Madrid Radon Facts

Key details about the radon risk profile for Madrid and the 50156 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Boone County, IA

Zip Code

50156

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Madrid and the 50156 zip code are located in Boone County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Madrid, IA

What EPA Radon Zone is Madrid in?

Madrid and the 50156 zip code are in Boone 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 Madrid?

Radon mitigation in Madrid 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 Madrid?

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 with the most user-submitted radon test data in the state.

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