Tioga, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Tioga in?

Tioga is in Williams County, EPA Zone 1.

Q: How much does radon mitigation cost in Tioga?

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

Williams County

EPA Zone 1

Located in Williams County in northwestern North Dakota's Bakken oil region, Tioga sits over sedimentary formations that can contribute to variable radon levels throughout the area. With testing data limited for zip code 58852, residents should prioritize radon testing, particularly given the community's mix of older farmsteads and newer housing developments. North Dakota's geology creates moderate radon potential that makes individual home testing important.

Tioga, ND Radon Mitigation

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

Tioga, ND Radon Testing

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

Tioga Radon Facts

Key details about the radon risk profile for Tioga and the 58852 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Williams County, ND

Zip Code

58852

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Tioga and the 58852 zip code are located in Williams 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 Tioga, ND

What EPA Radon Zone is Tioga in?

Tioga and the 58852 zip code are in Williams 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 Tioga?

Radon mitigation in Tioga 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 Tioga?

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