Guion, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is Guion in?

Guion is in Izard County, EPA Zone 2.

Q: How much does radon mitigation cost in Guion?

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

Izard County

EPA Zone 2

Situated in the Arkansas Ozarks within Izard County, Guion rests on limestone and dolomite formations characteristic of the region's karst topography. Current radon testing data for zip code 72540 is limited, underscoring the importance of individual property assessment. The area's older homes built on stone foundations and newer construction may exhibit varying radon levels depending on local geological conditions.

Guion, AR Radon Mitigation

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

Guion, AR Radon Testing

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

Guion Radon Facts

Key details about the radon risk profile for Guion and the 72540 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Izard County, AR

Zip Code

72540

Predicted Screening Level

2–4 pCi/L (Zone 2)

Guion and the 72540 zip code are located in Izard County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Guion, AR

What EPA Radon Zone is Guion in?

Guion and the 72540 zip code are in Izard County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Guion?

Radon mitigation in Guion 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 Guion?

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 Arkansas

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

City	Avg User Radon Level	Submissions
Hot Springs Village	11.60 pCi/L	5
Bentonville	4.00 pCi/L	4
Bella Vista	13.67 pCi/L	3
Little Rock	7.00 pCi/L	1