Harwood, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Harwood in?

Harwood is in Cass County, EPA Zone 1.

Q: How much does radon mitigation cost in Harwood?

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

Cass County

EPA Zone 1

This Cass County community within the Fargo Metro area lies in the Red River Valley where glacial lake deposits and clay soils can influence radon accumulation patterns. Located in zip code 58042, Harwood's agricultural setting and typical prairie housing characteristics create conditions where radon levels can vary significantly between properties. With limited current testing data, residents should prioritize professional radon assessment to understand their individual risk.

Harwood, ND Radon Mitigation

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

Harwood, ND Radon Testing

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

Harwood Radon Facts

Key details about the radon risk profile for Harwood and the 58042 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cass County, ND

Zip Code

58042

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Harwood and the 58042 zip code are located in Cass 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 Harwood, ND

What EPA Radon Zone is Harwood in?

Harwood and the 58042 zip code are in Cass 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 Harwood?

Radon mitigation in Harwood 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 Harwood?

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