Cuba City, WI Radon Levels

Q: What EPA Radon Zone is Cuba City in?

Cuba City is in Grant County, EPA Zone 1.

Q: How much does radon mitigation cost in Cuba City?

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

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

Cuba City, WI Radon Facts

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

County Grant County, WI

Zip Code 53807

Perched in southwestern Wisconsin's Grant County near the Mississippi River, Cuba City sits atop dolomite and limestone formations of the Driftless Area where glacial deposits are notably absent. Although radon testing data is currently unavailable for zip code 53807, the region's unique geology and EPA Zone 1 classification warrant careful attention to radon risks. Homeowners should test their properties, especially those with basements built into the area's bedrock formations.

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 Cuba City 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+

Cuba City, 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 Cuba City, WI

No homeowner tests have been submitted for Cuba City 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
Potosi	13.0 mi	17.00 pCi/L	1
Ridgeway	37.5 mi	8.00 pCi/L	1
Monroe	42.4 mi	13.00 pCi/L	2
Blue Mounds	42.9 mi	15.00 pCi/L	1
Blue River	44.4 mi	6.00 pCi/L	1
New Glarus	44.7 mi	7.00 pCi/L	1
Prairie Du Chien	44.8 mi	10.00 pCi/L	2
Spring Green	45.6 mi	4.00 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 Cuba City, WI

What EPA Radon Zone is Cuba City in?

Cuba City and the 53807 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 Cuba City?

No homeowner radon tests have been submitted for Cuba City 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 Cuba City 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 Cuba City?

Radon mitigation in Cuba City 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 Cuba City?

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.