Glenfield, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Glenfield in?

Glenfield is in Foster County, EPA Zone 1.

Q: How much does radon mitigation cost in Glenfield?

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

Foster County

EPA Zone 1

Remote Foster County in central North Dakota sits atop glacial till deposits and sedimentary bedrock that contribute to the state's generally high radon potential. Testing data for Glenfield's 58443 area remains limited, though North Dakota's uranium-rich geology frequently produces readings well above EPA action levels. Rural homeowners should prioritize radon testing, especially in properties with basements or lower-level living areas common in this climate.

Glenfield, ND Radon Mitigation

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

Glenfield, ND Radon Testing

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

Glenfield Radon Facts

Key details about the radon risk profile for Glenfield and the 58443 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Foster County, ND

Zip Code

58443

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Glenfield and the 58443 zip code are located in Foster 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 Glenfield, ND

What EPA Radon Zone is Glenfield in?

Glenfield and the 58443 zip code are in Foster 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 Glenfield?

Radon mitigation in Glenfield 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 Glenfield?

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