Arcadia, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Arcadia in?

Arcadia is in Iron County, EPA Zone 1.

Q: How much does radon mitigation cost in Arcadia?

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

Iron County

EPA Zone 1

Found in Iron County within Missouri's Ozark Mountains, Arcadia sits on Precambrian igneous bedrock and residual soils that can generate significant radon concentrations. The area's housing consists of both older mountain homes and newer construction, with many properties featuring partial or full basements. While testing data for zip code 63621 is currently limited, the high-risk EPA Zone 1 classification indicates homeowners should conduct radon testing to assess their exposure levels.

Arcadia, MO Radon Mitigation

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

Arcadia, MO Radon Testing

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

Arcadia Radon Facts

Key details about the radon risk profile for Arcadia and the 63621 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Iron County, MO

Zip Code

63621

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Arcadia and the 63621 zip code are located in Iron 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 Arcadia, MO

What EPA Radon Zone is Arcadia in?

Arcadia and the 63621 zip code are in Iron 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 Arcadia?

Radon mitigation in Arcadia 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 Arcadia?

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 Missouri

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

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0