Powell, MO Radon Levels

Q: What EPA Radon Zone is Powell in?

Powell is in McDonald County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Powell yet, so readings from the closest cities and the McDonald 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 Powell?

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

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

Powell, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County McDonald County, MO

Zip Code 65730

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.

5.80

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.80 pCi/L, based on 10 tests from 7 nearby cities. No readings have been submitted for Powell yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Powell, MO 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 Powell, MO

No homeowner tests have been submitted for Powell 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
Shell Knob	30.6 mi	5.00 pCi/L	2
Golden	31.0 mi	3.00 pCi/L	1
Webb City	39.5 mi	7.00 pCi/L	1
Lampe	40.4 mi	6.50 pCi/L	2
Kimberling City	41.1 mi	7.00 pCi/L	2
Carl Junction	43.7 mi	5.00 pCi/L	1
Reeds Spring	46.4 mi	6.00 pCi/L	1

McDonald County Radon Profile

The soils and bedrock of McDonald County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside McDonald County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in McDonald County to test, as levels can differ between neighboring homes.

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.

Why are radon readings shown from areas near Powell?

No homeowner radon tests have been submitted for Powell yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the McDonald County average—are the best available indicator of local conditions until Powell 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 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.