Hartsel, CO Radon Levels

Q: What EPA Radon Zone is Hartsel in?

Hartsel is in Park County, EPA Zone 1.

Q: How much does radon mitigation cost in Hartsel?

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

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

Hartsel, CO Radon Facts

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

County Park County, CO

Zip Code 80449

High in the Colorado Rockies within Park County and the Denver Metro area, Hartsel sits at elevation over granite and volcanic geology that often produces elevated radon levels. Given the area's EPA Zone 1 high-risk designation and limited local testing data, residents in zip code 80449 should prioritize radon testing for their mountain properties.

12.58

pCi/L area average

Above EPA Action Level

Park County average: 12.58 pCi/L, based on 12 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Hartsel 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+

Hartsel, 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 Hartsel, CO

No homeowner tests have been submitted for Hartsel 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
Buena Vista	17.0 mi	12.57 pCi/L	7
Fairplay	19.0 mi	12.00 pCi/L	9
Leadville	29.9 mi	5.67 pCi/L	3
Salida	31.2 mi	15.50 pCi/L	4
Florissant	31.4 mi	13.00 pCi/L	2
Breckenridge	35.9 mi	8.00 pCi/L	1
Divide	36.5 mi	14.00 pCi/L	2
Bailey	39.8 mi	14.33 pCi/L	3

Park County Radon Profile

The bedrock and soils beneath Park 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 Park County average 12.58 pCi/L across 12 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 Park County.

Radon FAQ for Hartsel, CO

What EPA Radon Zone is Hartsel in?

Hartsel and the 80449 zip code are in Park 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 Hartsel?

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

Radon mitigation in Hartsel 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 Hartsel?

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.