Oregon, MO Radon Levels

Q: What EPA Radon Zone is Oregon in?

Oregon is in Holt County, EPA Zone 1.

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

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

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

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

Oregon, MO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Holt County, MO

Zip Code 64473

Found in Holt County in northwestern Missouri, Oregon sits within EPA zone 1 where the region's glacial deposits can produce elevated radon levels in residential properties. The community's rural housing stock in zip code 64473 features older farmsteads and newer homes, many with basements where radon accumulation is most likely. With testing data currently limited, homeowners should conduct their own radon measurements to determine individual exposure risk.

5.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Oregon 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+

Oregon, MO Radon Mitigation

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

Need Radon Mitigation or Testing in Oregon?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Holt County Pros

1-800-299-3578 816-463-2802 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Oregon, MO

No homeowner tests have been submitted for Oregon 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
Rock Port	37.7 mi	5.00 pCi/L	1

Holt County Radon Profile

Holt County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Holt 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 Holt County to test, as levels can differ between neighboring homes.

Radon FAQ for Oregon, MO

What EPA Radon Zone is Oregon in?

Oregon and the 64473 zip code are in Holt 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.

Why are radon readings shown from areas near Oregon?

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

Radon mitigation in Oregon 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 Oregon?

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.