Maddock, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Maddock in?

Maddock is in Benson County, EPA Zone 1.

Q: How much does radon mitigation cost in Maddock?

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

Benson County

EPA Zone 1

Found in Benson County in central North Dakota's 58348 area, Maddock sits on glacial deposits that contribute to the state's elevated radon potential across most regions. Testing data remains limited for this community, making individual home assessment crucial in this EPA Zone 1 area. Professional radon testing is strongly recommended given North Dakota's generally high radon risk throughout the state.

Maddock, ND Radon Mitigation

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

Maddock, ND Radon Testing

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

Maddock Radon Facts

Key details about the radon risk profile for Maddock and the 58348 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Benson County, ND

Zip Code

58348

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Maddock and the 58348 zip code are located in Benson 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 Maddock, ND

What EPA Radon Zone is Maddock in?

Maddock and the 58348 zip code are in Benson 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 Maddock?

Radon mitigation in Maddock 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 Maddock?

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