Holly, CO Radon Mitigation and Testing

Q: What EPA Radon Zone is Holly in?

Holly is in Prowers County, EPA Zone 1.

Q: How much does radon mitigation cost in Holly?

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

Prowers County

EPA Zone 1

Established in Prowers County on Colorado's eastern plains, Holly sits on Ogallala Formation deposits over Pierre Shale bedrock. The town's housing stock reflects Great Plains agricultural heritage with early 20th century homes and newer ranch-style construction, many featuring full basements. Without current radon testing data for zip code 81047, homeowners should pursue professional testing to establish baseline readings in this geological setting.

Holly, CO Radon Mitigation

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

Holly, CO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Holly Radon Facts

Key details about the radon risk profile for Holly and the 81047 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Prowers County, CO

Zip Code

81047

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Holly and the 81047 zip code are located in Prowers County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Holly, CO

What EPA Radon Zone is Holly in?

Holly and the 81047 zip code are in Prowers 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 Holly?

Radon mitigation in Holly 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 Holly?

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.

Most Active Radon Markets in Colorado

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Fairplay	12.00 pCi/L	9
Crested Butte	8.56 pCi/L	9
Denver	6.22 pCi/L	9
Montrose	9.25 pCi/L	8
Gunnison	7.38 pCi/L	8
Buena Vista	12.57 pCi/L	7
Pueblo	10.67 pCi/L	6
Grand Junction	8.17 pCi/L	6
Bayfield	6.00 pCi/L	6
Canon City	10.80 pCi/L	5
Aurora	7.40 pCi/L	5
Windsor	7.00 pCi/L	5
Telluride	6.80 pCi/L	5
Parker	5.40 pCi/L	5
Salida	15.50 pCi/L	4
Johnstown	9.50 pCi/L	4
Granby	9.00 pCi/L	4
Longmont	8.00 pCi/L	4
Edwards	6.75 pCi/L	4
Mancos	6.00 pCi/L	4