Twin Lakes, CO Radon Levels

Q: What EPA Radon Zone is Twin Lakes in?

Twin Lakes is in Lake County, EPA Zone 1.

Q: How much does radon mitigation cost in Twin Lakes?

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

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

Twin Lakes, CO Radon Facts

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

County Lake County, CO

Zip Code 81251

High in Colorado's Rocky Mountains within Lake County, Twin Lakes currently has minimal radon testing data for ZIP 81251 despite the state's high radon potential. Colorado's complex mountain geology and high elevation can create unpredictable radon conditions from property to property. Mountain residents should prioritize testing their homes, as the state consistently ranks among the highest in the nation for residential radon levels.

5.67

pCi/L area average

Above EPA Action Level

Lake County average: 5.67 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Twin Lakes 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+

Twin Lakes, 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 Twin Lakes?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Lake County Pros

1-800-299-3578 970-205-9067 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Twin Lakes, CO

No homeowner tests have been submitted for Twin Lakes 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
Leadville	12.7 mi	5.67 pCi/L	3
Aspen	21.5 mi	4.00 pCi/L	1
Buena Vista	24.1 mi	12.57 pCi/L	7
Fairplay	25.2 mi	12.00 pCi/L	9
Crested Butte	32.2 mi	8.56 pCi/L	9
Breckenridge	34.2 mi	8.00 pCi/L	1
Edwards	35.7 mi	6.75 pCi/L	4
Vail	38.5 mi	6.00 pCi/L	1

Lake County Radon Profile

Because of its underlying geology, Lake County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Lake County average 5.67 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Lake County home regardless of zone or a neighbor's results.

Radon FAQ for Twin Lakes, CO

What EPA Radon Zone is Twin Lakes in?

Twin Lakes and the 81251 zip code are in Lake 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 Twin Lakes?

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

Radon mitigation in Twin Lakes 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 Twin Lakes?

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.