Nunn, CO Radon Levels

Q: What EPA Radon Zone is Nunn in?

Nunn is in Weld County, EPA Zone 1.

Q: Why are radon readings shown from areas near Nunn?

No homeowner radon tests have been submitted for Nunn yet, so readings from the closest cities and the Weld County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Nunn?

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

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

Nunn, CO Radon Facts

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

County Weld County, CO

Zip Code 80648

This small community in Weld County lies within Colorado's high-altitude plains, where uranium-bearing rock formations can contribute to elevated radon potential in residential properties. Testing data for Nunn is currently limited, emphasizing the importance of individual home testing for residents of zip code 80648. Given the area's EPA Zone 1 designation and rural housing characteristics, homeowners should prioritize radon testing regardless of home age or foundation type.

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 Nunn 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+

Nunn, 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 Nunn, CO

No homeowner tests have been submitted for Nunn 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
Eaton	14.2 mi	7.00 pCi/L	1
Windsor	17.8 mi	7.00 pCi/L	5
Fort Collins	19.0 mi	5.50 pCi/L	2
Greeley	23.0 mi	4.67 pCi/L	3
Evans	24.4 mi	6.33 pCi/L	3
Loveland	27.4 mi	4.50 pCi/L	2
Johnstown	28.0 mi	9.50 pCi/L	4
Livermore	32.5 mi	20.00 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 Nunn, CO

What EPA Radon Zone is Nunn in?

Nunn and the 80648 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 Nunn?

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

Radon mitigation in Nunn 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 Nunn?

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.