Harshaw, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Harshaw in?

Harshaw is in Oneida County, EPA Zone 2.

Q: How much does radon mitigation cost in Harshaw?

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

Oneida County

EPA Zone 2

Set in Wisconsin's Northwoods within Oneida County, this small community sits on glacial deposits over granite bedrock that can produce moderate radon levels. The area's seasonal cabins and year-round homes often feature partial basements or crawl spaces typical of northern Wisconsin construction. While specific testing data is limited, the region's geology suggests residents should consider radon testing, particularly in homes with below-grade living spaces.

Harshaw, WI Radon Mitigation

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

Harshaw, WI Radon Testing

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

Harshaw Radon Facts

Key details about the radon risk profile for Harshaw and the 54529 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Oneida County, WI

Zip Code

54529

Predicted Screening Level

2–4 pCi/L (Zone 2)

Harshaw and the 54529 zip code are located in Oneida County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Harshaw, WI

What EPA Radon Zone is Harshaw in?

Harshaw and the 54529 zip code are in Oneida County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Harshaw?

Radon mitigation in Harshaw 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 Harshaw?

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 Wisconsin

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

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0