Nathrop, CO Radon Levels

Q: What EPA Radon Zone is Nathrop in?

Nathrop is in Chaffee County, EPA Zone 1.

Q: How much does radon mitigation cost in Nathrop?

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

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

Nathrop, CO Radon Facts

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

County Chaffee County, CO

Zip Code 81236

Mountain community Nathrop sits in Chaffee County within Colorado's Arkansas River Valley, where high-altitude granite geology and uranium-bearing formations create significant radon potential. Testing data for zip code 81236 remains limited despite Colorado's statewide elevated radon risk in mountainous regions. Given the area's geology and elevation, local homeowners should prioritize radon testing regardless of home age or construction type.

13.64

pCi/L area average

Above EPA Action Level

Chaffee County average: 13.64 pCi/L, based on 11 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Nathrop 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+

Nathrop, 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 Nathrop, CO

No homeowner tests have been submitted for Nathrop 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	9.0 mi	12.57 pCi/L	7
Salida	14.3 mi	15.50 pCi/L	4
Gunnison	21.3 mi	7.38 pCi/L	8
Fairplay	36.2 mi	12.00 pCi/L	9
Leadville	38.6 mi	5.67 pCi/L	3
Florissant	44.5 mi	13.00 pCi/L	2
Crested Butte	46.8 mi	8.56 pCi/L	9

Chaffee County Radon Profile

The bedrock and soils beneath Chaffee 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 Chaffee County average 13.64 pCi/L across 11 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 Chaffee County.

Radon FAQ for Nathrop, CO

What EPA Radon Zone is Nathrop in?

Nathrop and the 81236 zip code are in Chaffee 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 Nathrop?

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

Radon mitigation in Nathrop 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 Nathrop?

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.