Masonville, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Masonville in?

Masonville is in Delaware County, EPA Zone 1.

Q: How much does radon mitigation cost in Masonville?

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

Delaware County

EPA Zone 1

Rural Delaware County in northeastern Iowa sits atop thick glacial deposits and limestone bedrock that contribute to the state's well-documented radon concerns. While testing data for zip code 50654 is currently limited, Iowa's statewide geological characteristics suggest significant potential for elevated indoor radon levels. Homeowners in this agricultural community should prioritize professional testing, especially in properties with full basement foundations that are standard in this region's farming area housing stock.

Masonville, IA Radon Mitigation

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

Masonville, IA Radon Testing

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

Masonville Radon Facts

Key details about the radon risk profile for Masonville and the 50654 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Delaware County, IA

Zip Code

50654

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Masonville and the 50654 zip code are located in Delaware 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 Masonville, IA

What EPA Radon Zone is Masonville in?

Masonville and the 50654 zip code are in Delaware 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 Masonville?

Radon mitigation in Masonville 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 Masonville?

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