Somerset, CO Radon Levels

Q: What EPA Radon Zone is Somerset in?

Somerset is in Gunnison County, EPA Zone 1.

Q: How much does radon mitigation cost in Somerset?

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

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

Somerset, CO Radon Facts

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

County Gunnison County, CO

Zip Code 81434

Located high in Gunnison County amid Colorado's West Elk Mountains, Somerset sits where Cretaceous sedimentary rocks and coal measures create specific geological conditions for radon formation. This 81434 mining community features homes adapted to mountain conditions, often with partial basements or crawl spaces due to the challenging terrain. With testing data currently limited, residents should prioritize radon measurements given the area's mining history and geological complexity.

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 Somerset 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+

Somerset, 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 Somerset, CO

No homeowner tests have been submitted for Somerset 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
Paonia	13.1 mi	6.00 pCi/L	1
Crawford	21.6 mi	8.00 pCi/L	1
Crested Butte	23.0 mi	8.56 pCi/L	9
Cedaredge	29.6 mi	4.00 pCi/L	1
Aspen	34.3 mi	4.00 pCi/L	1
Delta	39.5 mi	7.00 pCi/L	3
Glenwood Springs	40.4 mi	8.00 pCi/L	1
Olathe	40.9 mi	5.00 pCi/L	2

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 Somerset, CO

What EPA Radon Zone is Somerset in?

Somerset and the 81434 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 Somerset?

No homeowner radon tests have been submitted for Somerset 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 Somerset 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 Somerset?

Radon mitigation in Somerset 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 Somerset?

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.