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Idaho Springs, CO Radon Levels

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


Idaho Springs, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Clear Creek County, CO
Zip Code 80452
Avg. User Level 4.00 pCi/L
User Tests 1

Mountain community in Clear Creek County within the Denver Metro area, Idaho Springs recorded an average radon level of 4.0 pCi/L from recent testing, right at the EPA action threshold. Situated in Colorado's mineral-rich Front Range foothills, the 80452 area sits on granitic formations and uranium-bearing rocks that contribute to the state's EPA Zone 1 high radon designation. The community's mix of historic mining-era buildings and modern mountain homes, many with basement foundations, requires careful radon monitoring and potential mitigation planning.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Idaho Springs, CO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Idaho Springs, CO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Idaho Springs, CO Radon Levels

User-submitted radon test readings from homes in the Idaho Springs area.

Radon LevelCityHome AgeFoundation
4 pCi/L Idaho Springs, CO 51-99 Years No Basement/All Crawl Space

Have a radon test result for Idaho Springs? Submit your reading to help other homeowners.

Radon Readings Near Idaho Springs, CO

Compare radon levels in Idaho Springs with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Golden 3.8 mi 9.00 pCi/L 2
Black Hawk 8.4 mi 13.00 pCi/L 4
Evergreen 15.5 mi 10.00 pCi/L 1
Bailey 21.3 mi 14.33 pCi/L 3
Conifer 21.4 mi 9.00 pCi/L 3
Dillon 22.4 mi 8.50 pCi/L 2
Morrison 24.2 mi 5.00 pCi/L 3
Boulder 26.4 mi 12.00 pCi/L 1

Clear Creek County Radon Profile

The bedrock and soils beneath Clear Creek 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 Clear Creek County average 4.00 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 Clear Creek County.

Radon FAQ for Idaho Springs, CO

What is the average radon level in Idaho Springs, CO?
Based on 1 user-submitted test, the average radon level in Idaho Springs is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Idaho Springs in?
Idaho Springs and the 80452 zip code are in Clear Creek 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.
How much does radon mitigation cost in Idaho Springs?
Radon mitigation in Idaho Springs 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 Idaho Springs?
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.