Stoneham, CO Radon Levels

Q: What EPA Radon Zone is Stoneham in?

Stoneham is in Weld County, EPA Zone 1.

Q: How much does radon mitigation cost in Stoneham?

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

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

Stoneham, CO Radon Facts

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

County Weld County, CO

Zip Code 80754

Part of the Greeley Metro area in Weld County, Stoneham currently has insufficient radon testing data for community-wide analysis. Colorado's Front Range geology and rural housing patterns in zip code 80754 can create varying radon accumulation potential across different properties. Professional radon testing is recommended for all residents to establish their specific indoor air quality baseline.

8.05

pCi/L area average

Above EPA Action Level

Weld County average: 8.05 pCi/L, based on 20 user-submitted tests across 7 cities in the county. No homeowner readings have been submitted for Stoneham 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+

Stoneham, 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 Stoneham, CO

No homeowner tests have been submitted for Stoneham 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
Brush	29.5 mi	5.00 pCi/L	1
Wiggins	42.3 mi	12.00 pCi/L	1
Eaton	57.5 mi	7.00 pCi/L	1
Evans	59.5 mi	6.33 pCi/L	3
Greeley	60.1 mi	4.67 pCi/L	3
Windsor	67.6 mi	7.00 pCi/L	5
Johnstown	71.7 mi	9.50 pCi/L	4

Weld County Radon Profile

Weld 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 7 cities in Weld County average 8.05 pCi/L across 20 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 Weld County to test, as levels can differ between neighboring homes.

Radon FAQ for Stoneham, CO

What EPA Radon Zone is Stoneham in?

Stoneham and the 80754 zip code are in Weld 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 Stoneham?

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

Radon mitigation in Stoneham 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 Stoneham?

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.