Porterfield, WI Radon Levels

Q: What EPA Radon Zone is Porterfield in?

Porterfield is in Marinette County, EPA Zone 2.

Q: How much does radon mitigation cost in Porterfield?

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

Check local Porterfield radon levels and find certified testing and mitigation professionals to keep your home safe

Porterfield, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Marinette County, WI

Zip Code 54159

Found in northeastern Wisconsin's Marinette County, Porterfield sits on glacial till deposits over Precambrian bedrock near the Michigan border. With limited radon testing data for zip code 54159, homeowners should conduct individual testing to assess their properties. The area's combination of wooded terrain and scattered rural housing, including older homes with stone foundations, creates varied conditions for radon entry and accumulation.

15.00

pCi/L area average

Above EPA Action Level

Marinette County average: 15.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Porterfield itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Porterfield, WI Radon Mitigation

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

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Radon Readings Near Porterfield, WI

No homeowner tests have been submitted for Porterfield yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Crivitz	14.0 mi	10.00 pCi/L	1
Athelstane	23.9 mi	20.00 pCi/L	1
Mountain	31.8 mi	16.00 pCi/L	1
Ellison Bay	37.0 mi	5.00 pCi/L	1
Townsend	40.0 mi	6.00 pCi/L	1
Pulaski	43.0 mi	4.00 pCi/L	1
Algoma	43.8 mi	5.00 pCi/L	1
Armstrong Creek	46.9 mi	9.00 pCi/L	1

Marinette County Radon Profile

Marinette County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 2 cities in Marinette County average 15.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Marinette County.

Radon FAQ for Porterfield, WI

What EPA Radon Zone is Porterfield in?

Porterfield and the 54159 zip code are in Marinette 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.

Why are radon readings shown from areas near Porterfield?

No homeowner radon tests have been submitted for Porterfield yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Marinette County average—are the best available indicator of local conditions until Porterfield homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Porterfield?

Radon mitigation in Porterfield 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 Porterfield?

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.