Milltown, WI Radon Levels

Q: What EPA Radon Zone is Milltown in?

Milltown is in Polk County, EPA Zone 2.

Q: How much does radon mitigation cost in Milltown?

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

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

Milltown, WI Radon Facts

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

County Polk County, WI

Zip Code 54858

Positioned in Polk County along Wisconsin's western border, Milltown sits atop glacial deposits that can influence radon gas migration patterns. Testing data for the 54858 area remains limited, making individual property assessment crucial for homeowners. The region's geological conditions and typical basement construction in older homes create potential pathways for radon accumulation.

5.00

pCi/L area average

Above EPA Action Level

Polk County average: 5.00 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Milltown 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+

Milltown, WI Radon Mitigation

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

Need Radon Mitigation or Testing in Milltown?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Polk County Pros

1-800-299-3578 715-203-8706 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Milltown, WI

No homeowner tests have been submitted for Milltown 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
Saint Croix Falls	5.5 mi	7.00 pCi/L	1
Amery	13.3 mi	3.00 pCi/L	1
Osceola	17.1 mi	5.00 pCi/L	1
Grantsburg	20.7 mi	4.00 pCi/L	1
Almena	25.3 mi	2.00 pCi/L	1
Somerset	28.7 mi	4.00 pCi/L	1
Houlton	34.2 mi	4.00 pCi/L	1
Spooner	36.1 mi	6.00 pCi/L	2

Polk County Radon Profile

EPA mapping assigns Polk County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 3 cities in Polk County average 5.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Polk County home regardless of zone or a neighbor's results.

Radon FAQ for Milltown, WI

What EPA Radon Zone is Milltown in?

Milltown and the 54858 zip code are in Polk 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 Milltown?

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

Radon mitigation in Milltown 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 Milltown?

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.