Willow Springs, MO Radon Levels

Q: What EPA Radon Zone is Willow Springs in?

Willow Springs is in Howell County, EPA Zone 2.

Q: How much does radon mitigation cost in Willow Springs?

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

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

Willow Springs, MO Radon Facts

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

County Howell County, MO

Zip Code 65793

Positioned in Howell County in Missouri's south-central region, Willow Springs sits on Ozark Plateau formations that can produce variable radon levels depending on local limestone fracturing and soil conditions. Current testing data for zip code 65793 is limited, but the area's complex karst geology means individual homes can experience significantly different radon levels. The community's mix of older homes and rural properties with diverse foundation types makes professional radon testing particularly advisable.

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 Willow Springs 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+

Willow Springs, 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 Willow Springs, MO

No homeowner tests have been submitted for Willow Springs 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	18.9 mi	4.00 pCi/L	1
Salem	48.6 mi	6.00 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 Willow Springs, MO

What EPA Radon Zone is Willow Springs in?

Willow Springs and the 65793 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 Willow Springs?

No homeowner radon tests have been submitted for Willow Springs 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 Willow Springs 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 Willow Springs?

Radon mitigation in Willow Springs 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 Willow Springs?

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.