Amherst Junction, WI Radon Levels

Q: What EPA Radon Zone is Amherst Junction in?

Amherst Junction is in Portage County, EPA Zone 1.

Q: How much does radon mitigation cost in Amherst Junction?

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

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

Amherst Junction, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Portage County, WI

Zip Code 54407

This small Portage County community shares the sandy soil characteristics of central Wisconsin, where radon testing data for zip code 54407 remains limited. Built primarily around the railroad industry, the area features older homes with various foundation types that can influence radon accumulation patterns. Despite the EPA Zone 1 classification, homeowners should test their properties to establish baseline radon levels.

6.00

pCi/L area average

Above EPA Action Level

Portage County average: 6.00 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Amherst Junction 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+

Amherst Junction, 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 Amherst Junction, WI

No homeowner tests have been submitted for Amherst Junction 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
Stevens Point	11.8 mi	6.00 pCi/L	3
Wittenberg	22.9 mi	11.00 pCi/L	1
Mosinee	27.6 mi	6.00 pCi/L	1
Hancock	28.4 mi	5.00 pCi/L	1
Wisconsin Rapids	29.0 mi	4.50 pCi/L	2
Wautoma	30.5 mi	15.00 pCi/L	1
Nekoosa	32.5 mi	6.00 pCi/L	1
Coloma	34.4 mi	17.00 pCi/L	1

Portage County Radon Profile

The bedrock and soils beneath Portage County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 1 city in Portage County average 6.00 pCi/L across 3 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 Portage County.

Radon FAQ for Amherst Junction, WI

What EPA Radon Zone is Amherst Junction in?

Amherst Junction and the 54407 zip code are in Portage 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.

Why are radon readings shown from areas near Amherst Junction?

No homeowner radon tests have been submitted for Amherst Junction yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Portage County average—are the best available indicator of local conditions until Amherst Junction 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 Amherst Junction?

Radon mitigation in Amherst Junction 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 Amherst Junction?

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.