Fontanelle, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Fontanelle in?

Fontanelle is in Adair County, EPA Zone 1.

Q: How much does radon mitigation cost in Fontanelle?

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

Adair County

EPA Zone 1

This rural community in Adair County rests on Iowa's characteristic glacial till over limestone bedrock, creating geological conditions that can facilitate radon gas migration. While comprehensive testing data for zip code 50846 is currently limited, the region's known radon potential makes individual home testing essential. Southwest Iowa's combination of deep soils and limestone bedrock, along with typical farmhouse basement construction, warrants proactive radon assessment by homeowners.

Fontanelle, IA Radon Mitigation

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

Fontanelle, IA Radon Testing

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

Fontanelle Radon Facts

Key details about the radon risk profile for Fontanelle and the 50846 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Adair County, IA

Zip Code

50846

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Fontanelle and the 50846 zip code are located in Adair 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 Fontanelle, IA

What EPA Radon Zone is Fontanelle in?

Fontanelle and the 50846 zip code are in Adair 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 Fontanelle?

Radon mitigation in Fontanelle 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 Fontanelle?

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