Harris, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Harris in?

Harris is in Osceola County, EPA Zone 1.

Q: How much does radon mitigation cost in Harris?

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

Osceola County

EPA Zone 1

Small rural Harris in Osceola County sits on Iowa's glacial till deposits that are known for producing elevated radon levels throughout the state. The community's housing stock includes older farmsteads and newer rural residential properties, typically featuring full basements where radon gas can accumulate. Although specific testing data for zip code 51345 is currently limited, the geological conditions and EPA Zone 1 designation make professional radon testing essential for all Harris area homes.

Harris, IA Radon Mitigation

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

Harris, IA Radon Testing

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

Harris Radon Facts

Key details about the radon risk profile for Harris and the 51345 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Osceola County, IA

Zip Code

51345

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Harris and the 51345 zip code are located in Osceola 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 Harris, IA

What EPA Radon Zone is Harris in?

Harris and the 51345 zip code are in Osceola 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 Harris?

Radon mitigation in Harris 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 Harris?

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