Powell, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Powell in?

Powell is in McDonald County, EPA Zone 2.

Q: How much does radon mitigation cost in Powell?

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

McDonald County

EPA Zone 2

Located in McDonald County in Missouri's Ozark region, Powell sits on limestone and dolomite bedrock that creates moderate radon potential throughout southwestern Missouri. The area's karst topography, including caves and sinkholes, can influence radon gas migration patterns. While testing data for zip code 65730 is currently limited, the geological characteristics suggest homeowners should consider radon testing as a precautionary measure.

Powell, MO Radon Mitigation

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

Powell, MO Radon Testing

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

Powell Radon Facts

Key details about the radon risk profile for Powell and the 65730 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

McDonald County, MO

Zip Code

65730

Predicted Screening Level

2–4 pCi/L (Zone 2)

Powell and the 65730 zip code are located in McDonald 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 Powell, MO

What EPA Radon Zone is Powell in?

Powell and the 65730 zip code are in McDonald 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 Powell?

Radon mitigation in Powell 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 Powell?

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