Nederland, CO Radon Levels

Q: What EPA Radon Zone is Nederland in?

Nederland is in Boulder County, EPA Zone 1.

Q: How much does radon mitigation cost in Nederland?

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

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

Nederland, CO Radon Facts

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

County Boulder County, CO

Zip Code 80466

Mountain community Nederland sits in Boulder County at high elevation, where Precambrian granite and metamorphic rocks can produce variable radon levels. Testing data for the Boulder Metro area's 80466 zip code remains limited, so residents should test their homes individually. The community's mountain homes and older mining-era structures may show different radon accumulation patterns.

10.17

pCi/L area average

Above EPA Action Level

Boulder County average: 10.17 pCi/L, based on 6 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Nederland 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+

Nederland, 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 Nederland, CO

No homeowner tests have been submitted for Nederland 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
Black Hawk	10.7 mi	13.00 pCi/L	4
Boulder	12.4 mi	12.00 pCi/L	1
Golden	16.7 mi	9.00 pCi/L	2
Idaho Springs	17.1 mi	4.00 pCi/L	1
Lyons	20.2 mi	14.50 pCi/L	2
Lafayette	20.5 mi	8.00 pCi/L	2
Arvada	21.9 mi	5.00 pCi/L	2
Broomfield	22.4 mi	5.00 pCi/L	1

Boulder County Radon Profile

Boulder County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 4 cities in Boulder County average 10.17 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Boulder County to test, as levels can differ between neighboring homes.

Radon FAQ for Nederland, CO

What EPA Radon Zone is Nederland in?

Nederland and the 80466 zip code are in Boulder 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 Nederland?

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

Radon mitigation in Nederland 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 Nederland?

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.