Little Rock, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Little Rock in?

Little Rock is in Lyon County, EPA Zone 1.

Q: How much does radon mitigation cost in Little Rock?

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

Lyon County

EPA Zone 1

Situated in northwestern Iowa's Lyon County, this rural Little Rock community sits on glacial till deposits that characterize much of the state's high radon potential geology. Zip code 51243 encompasses agricultural properties and small-town residential areas, many with full basements typical of Iowa construction. Although specific radon testing data is currently unavailable, Iowa's EPA Zone 1 classification and the area's glacial geology make professional testing strongly recommended for all residents.

Little Rock, IA Radon Mitigation

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

Little Rock, IA Radon Testing

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

Little Rock Radon Facts

Key details about the radon risk profile for Little Rock and the 51243 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lyon County, IA

Zip Code

51243

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Little Rock and the 51243 zip code are located in Lyon 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 Little Rock, IA

What EPA Radon Zone is Little Rock in?

Little Rock and the 51243 zip code are in Lyon 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 Little Rock?

Radon mitigation in Little Rock 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 Little Rock?

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