Otterville, MO Radon Levels

Q: What EPA Radon Zone is Otterville in?

Otterville is in Cooper County, EPA Zone 2.

Q: How much does radon mitigation cost in Otterville?

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

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

Otterville, MO Radon Facts

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

County Cooper County, MO

Zip Code 65348

Located in Cooper County within the Columbia metropolitan area, Otterville currently lacks sufficient radon testing data for the 65348 zip code. Missouri's limestone bedrock and glacial till deposits create moderate radon potential throughout central regions of the state. Rural communities often feature a mix of foundation types, making individual testing particularly important for homeowners.

4.00

pCi/L area average

Above EPA Action Level

Cooper County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Otterville itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Otterville, 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 Otterville, MO

No homeowner tests have been submitted for Otterville 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
Sedalia	12.0 mi	6.00 pCi/L	1
Cole Camp	20.6 mi	5.00 pCi/L	1
Boonville	21.8 mi	4.00 pCi/L	1
Gravois Mills	33.2 mi	7.00 pCi/L	1
Warsaw	38.4 mi	5.00 pCi/L	1
Warrensburg	38.8 mi	9.00 pCi/L	1
Climax Springs	40.0 mi	2.00 pCi/L	1
Sunrise Beach	40.6 mi	5.00 pCi/L	2

Cooper County Radon Profile

EPA mapping assigns Cooper County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Cooper County average 4.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Cooper County home regardless of zone or a neighbor's results.

Radon FAQ for Otterville, MO

What EPA Radon Zone is Otterville in?

Otterville and the 65348 zip code are in Cooper 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 Otterville?

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

Radon mitigation in Otterville 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 Otterville?

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.