Morrison, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Morrison in?

Morrison is in Grundy County, EPA Zone 1.

Q: How much does radon mitigation cost in Morrison?

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

Grundy County

EPA Zone 1

Located in north-central Iowa's Grundy County, Morrison sits in an area where glacial deposits over limestone bedrock can create favorable conditions for radon accumulation. While comprehensive testing data for zip code 50657 is currently limited, homeowners should test their properties given the geological characteristics typical of the Waterloo metro region. The community's mix of rural homes and farmsteads may have varying foundation types that influence radon entry patterns.

Morrison, IA Radon Mitigation

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

Morrison, IA Radon Testing

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

Morrison Radon Facts

Key details about the radon risk profile for Morrison and the 50657 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Grundy County, IA

Zip Code

50657

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Morrison and the 50657 zip code are located in Grundy 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 Morrison, IA

What EPA Radon Zone is Morrison in?

Morrison and the 50657 zip code are in Grundy 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 Morrison?

Radon mitigation in Morrison 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 Morrison?

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