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Colesburg, IA Radon Levels

Check local Colesburg radon levels and find certified testing and mitigation professionals to keep your home safe


Colesburg, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Clayton County, IA
Zip Code 52035
Avg. User Level 6.00 pCi/L
User Tests 1

Situated in Clayton County along the Mississippi River bluffs, Colesburg sits on limestone and dolomite bedrock formations that can produce elevated radon levels in Iowa's eastern region. Although specific testing data for the 52035 area is currently limited, the geological conditions suggest residents should prioritize radon testing. The community's older housing stock, including homes with stone and block foundations, may be particularly susceptible to radon infiltration.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Colesburg, IA Radon Mitigation

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

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Colesburg, IA Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Colesburg, IA 21-50 Years Full Basement

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

Radon FAQ for Colesburg, IA

What is the average radon level in Colesburg, IA?
Based on 1 user-submitted test, the average radon level in Colesburg is 6.00 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 Colesburg in?
Colesburg and the 52035 zip code are in Clayton 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 Colesburg?
Radon mitigation in Colesburg 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 Colesburg?
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 in Iowa with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
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