Pomona, MO Radon Levels

Q: What EPA Radon Zone is Pomona in?

Pomona is in Howell County, EPA Zone 2.

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

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

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

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

Pomona, MO Radon Facts

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

County Howell County, MO

Zip Code 65789

Situated in Howell County within Missouri's Ozark region, Pomona rests on dolomite and limestone bedrock that can create variable radon conditions depending on local geology and soil cover. Current radon data for zip code 65789 is limited, making individual home testing important for area residents. The region's mix of older rural properties and recreational homes often feature different foundation types that can affect radon entry patterns.

4.00

pCi/L area average

Above EPA Action Level

Howell 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 Pomona 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+

Pomona, 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 Pomona, MO

No homeowner tests have been submitted for Pomona 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
West Plains	8.3 mi	4.00 pCi/L	1

Howell County Radon Profile

EPA mapping assigns Howell 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 Howell 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 Howell County home regardless of zone or a neighbor's results.

Radon FAQ for Pomona, MO

What EPA Radon Zone is Pomona in?

Pomona and the 65789 zip code are in Howell 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 Pomona?

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

Radon mitigation in Pomona 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 Pomona?

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.