Wilton, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Wilton in?

Wilton is in McLean County, EPA Zone 1.

Q: How much does radon mitigation cost in Wilton?

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

McLean County

EPA Zone 1

Situated in McLean County within North Dakota's glacial lake plain, Wilton experiences the state's characteristic radon conditions where clay-rich soils over sedimentary bedrock can trap and concentrate radon gas. While specific testing data for zip code 58579 is unavailable, North Dakota's EPA Zone 1 designation indicates significant statewide radon risk. Local homeowners should conduct professional testing, particularly important given the region's long heating season when homes remain tightly sealed.

Wilton, ND Radon Mitigation

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

Wilton, ND Radon Testing

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

Wilton Radon Facts

Key details about the radon risk profile for Wilton and the 58579 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McLean County, ND

Zip Code

58579

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Wilton and the 58579 zip code are located in McLean 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 Wilton, ND

What EPA Radon Zone is Wilton in?

Wilton and the 58579 zip code are in McLean 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 Wilton?

Radon mitigation in Wilton 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 Wilton?

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 North Dakota

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Grand Forks	13.50 pCi/L	8
Grafton	7.67 pCi/L	3
Dickinson	6.00 pCi/L	3
Watford City	5.50 pCi/L	2
Bismarck	No submissions	0