Coralville, IA Radon Mitigation and Testing

Q: What is the average radon level in Coralville, IA?

Based on 1 user-submitted tests, the average radon level is 8.00 pCi/L.

Q: What EPA Radon Zone is Coralville in?

Coralville is in Johnson County, EPA Zone 1.

Q: How much does radon mitigation cost in Coralville?

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

Avg: 8.00 pCi/L

Johnson County

EPA Zone 1

1 user test

Part of the Iowa City metro area in Johnson County, Coralville shows an average radon level of 8.0 pCi/L based on available testing data, which significantly exceeds the EPA action level of 4.0 pCi/L. Located in EPA Zone 1 within zip code 52241, this community sits atop glacial deposits over limestone bedrock that create ideal conditions for radon production and accumulation. Given these elevated readings, all Coralville residents should test their homes and consider mitigation if levels exceed EPA guidelines.

8.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Coralville, IA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Coralville, IA Radon Mitigation

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

Coralville, IA Radon Testing

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

Coralville, Iowa Radon Levels

User-submitted radon test readings from homes in the Coralville area.

Radon Level	City	Home Age	Foundation	Submitted
8 pCi/L	Coralville, IA	51-99 Years	Full Basement	Feb 2024

Have a radon test result for Coralville? Submit your reading to help other homeowners.

Coralville Radon Facts

Key details about the radon risk profile for Coralville and the 52241 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Johnson County, IA

Zip Code

52241

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

8.00 pCi/L

User Tests Submitted

Coralville and the 52241 zip code are located in Johnson 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 Coralville, IA

What is the average radon level in Coralville, IA?

Based on 1 user-submitted test, the average radon level in Coralville is 8.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Coralville in?

Coralville and the 52241 zip code are in Johnson 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 Coralville?

Radon mitigation in Coralville 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 Coralville?

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