Mount Hope, WI Radon Levels

Q: What EPA Radon Zone is Mount Hope in?

Mount Hope is in Grant County, EPA Zone 1.

Q: How much does radon mitigation cost in Mount Hope?

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

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

Mount Hope, WI Radon Facts

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

County Grant County, WI

Zip Code 53816

Situated in Grant County in southwestern Wisconsin's Driftless Area, Mount Hope sits above Ordovician limestone and dolomite formations known for producing elevated radon levels. While testing data for zip code 53816 is currently limited, Wisconsin consistently ranks among the nation's highest states for residential radon. The area's limestone bedrock and many homes with full basements create conditions where professional radon testing is particularly crucial for homeowner safety.

17.00

pCi/L area average

Above EPA Action Level

Grant County average: 17.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Mount Hope 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+

Mount Hope, 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 Mount Hope?

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Radon Readings Near Mount Hope, WI

No homeowner tests have been submitted for Mount Hope 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
Prairie Du Chien	13.8 mi	10.00 pCi/L	2
Potosi	21.1 mi	17.00 pCi/L	1
Blue River	23.2 mi	6.00 pCi/L	1
Viroqua	39.8 mi	5.00 pCi/L	1
Spring Green	43.1 mi	4.00 pCi/L	1
Ridgeway	44.4 mi	8.00 pCi/L	1
Westby	48.0 mi	5.00 pCi/L	1

Grant County Radon Profile

Because of its underlying geology, Grant County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Grant County average 17.00 pCi/L across 1 test — 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 Grant County home regardless of zone or a neighbor's results.

Radon FAQ for Mount Hope, WI

What EPA Radon Zone is Mount Hope in?

Mount Hope and the 53816 zip code are in Grant 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 Mount Hope?

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

Radon mitigation in Mount Hope 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 Mount Hope?

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.