Hamilton, CO Radon Levels

Q: What EPA Radon Zone is Hamilton in?

Hamilton is in Moffat County, EPA Zone 1.

Q: How much does radon mitigation cost in Hamilton?

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

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

Hamilton, CO Radon Facts

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

County Moffat County, CO

Zip Code 81638

Situated in Moffat County in northwestern Colorado's high desert region, Hamilton sits over sedimentary formations where geological conditions can contribute to elevated radon potential. Current testing data for zip code 81638 is limited, making individual home testing particularly important given Colorado's statewide radon concerns. The area's mix of ranch properties and residential homes at elevation can show varying radon levels.

16.00

pCi/L area average

Above EPA Action Level

Moffat County average: 16.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Hamilton 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+

Hamilton, CO 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 Hamilton?

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Radon Readings Near Hamilton, CO

No homeowner tests have been submitted for Hamilton 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
Craig	13.7 mi	16.00 pCi/L	1
Meeker	25.6 mi	4.00 pCi/L	1
Steamboat Springs	40.3 mi	6.00 pCi/L	2
Clark	44.5 mi	4.00 pCi/L	1

Moffat County Radon Profile

The bedrock and soils beneath Moffat 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 1 city in Moffat County average 16.00 pCi/L across 1 test — 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 Moffat County.

Radon FAQ for Hamilton, CO

What EPA Radon Zone is Hamilton in?

Hamilton and the 81638 zip code are in Moffat 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 Hamilton?

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

Radon mitigation in Hamilton 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 Hamilton?

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.