Keenesburg, CO Radon Levels

Q: What EPA Radon Zone is Keenesburg in?

Keenesburg is in Weld County, EPA Zone 1.

Q: How much does radon mitigation cost in Keenesburg?

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

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

Keenesburg, CO Radon Facts

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

County Weld County, CO

Zip Code 80643

Situated in northeastern Colorado's Weld County within both the Denver and Greeley Metro areas, Keenesburg sits on the High Plains where sedimentary bedrock creates significant radon potential. Testing data for zip code 80643 remains limited, though Colorado's Front Range region consistently shows elevated radon levels. Given the state's high radon potential and the community's growing residential development, professional testing is strongly recommended for all homes.

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 Keenesburg 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+

Keenesburg, 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 Keenesburg, CO

No homeowner tests have been submitted for Keenesburg 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
Wiggins	21.6 mi	12.00 pCi/L	1
Brighton	22.2 mi	6.00 pCi/L	2
Bennett	23.3 mi	9.50 pCi/L	2
Strasburg	23.7 mi	15.00 pCi/L	2
Evans	23.7 mi	6.33 pCi/L	3
Greeley	25.3 mi	4.67 pCi/L	3
Johnstown	30.1 mi	9.50 pCi/L	4
Commerce City	30.9 mi	9.00 pCi/L	1

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 Keenesburg, CO

What EPA Radon Zone is Keenesburg in?

Keenesburg and the 80643 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 Keenesburg?

No homeowner radon tests have been submitted for Keenesburg 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 Keenesburg 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 Keenesburg?

Radon mitigation in Keenesburg 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 Keenesburg?

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.