Ohio City, CO Radon Levels

Q: What EPA Radon Zone is Ohio City in?

Ohio City is in Gunnison County, EPA Zone 1.

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

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

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

Ohio City, CO Radon Facts

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

County Gunnison County, CO

Zip Code 81237

High in Colorado's Rocky Mountains within Gunnison County, Ohio City sits at elevation on granite and volcanic bedrock that can produce elevated radon levels. This historic mining town's homes in zip code 81237 include both vintage cabins and newer mountain construction, many with full basements. Given the lack of specific radon testing data for Ohio City, residents should test their properties, especially considering the area's geological radon potential.

8.00

pCi/L area average

Above EPA Action Level

Gunnison County average: 8.00 pCi/L, based on 17 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Ohio 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+

Ohio City, CO 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 Ohio City, CO

No homeowner tests have been submitted for Ohio 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
Gunnison	15.8 mi	7.38 pCi/L	8
Crested Butte	27.3 mi	8.56 pCi/L	9
Buena Vista	29.9 mi	12.57 pCi/L	7
Salida	33.0 mi	15.50 pCi/L	4
Aspen	43.4 mi	4.00 pCi/L	1
Leadville	48.3 mi	5.67 pCi/L	3

Gunnison County Radon Profile

The bedrock and soils beneath Gunnison 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 2 cities in Gunnison County average 8.00 pCi/L across 17 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 Gunnison County.

Radon FAQ for Ohio City, CO

What EPA Radon Zone is Ohio City in?

Ohio City and the 81237 zip code are in Gunnison 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 Ohio City?

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

Radon mitigation in Ohio 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 Ohio 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.