Lamoni, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Lamoni in?

Lamoni is in Decatur County, EPA Zone 1.

Q: How much does radon mitigation cost in Lamoni?

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

Decatur County

EPA Zone 1

Graceland University's home in Decatur County sits within Iowa's glaciated landscape where limestone bedrock and glacial till deposits create elevated radon potential throughout the region. Although specific testing data for zip code 50140 is limited, the area's geological characteristics suggest homeowners should prioritize radon testing. Traditional Iowa farmhouses and college town residences with full basements may be particularly susceptible to radon accumulation.

Lamoni, IA Radon Mitigation

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

Lamoni, IA Radon Testing

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

Lamoni Radon Facts

Key details about the radon risk profile for Lamoni and the 50140 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Decatur County, IA

Zip Code

50140

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Lamoni and the 50140 zip code are located in Decatur 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 Lamoni, IA

What EPA Radon Zone is Lamoni in?

Lamoni and the 50140 zip code are in Decatur 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 Lamoni?

Radon mitigation in Lamoni 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 Lamoni?

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