Willard, MO Radon Levels

Q: What EPA Radon Zone is Willard in?

Willard is in Greene County, EPA Zone 2.

Q: How much does radon mitigation cost in Willard?

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

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

Willard, MO Radon Facts

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

County Greene County, MO

Zip Code 65781

Located in Greene County within the Springfield Metro area, Willard sits in Missouri's Ozark Highland region where karst topography and limestone bedrock can influence radon levels. Testing data for this 65781 zip code community is currently limited, making individual home testing essential. Given the area's geological composition and mix of residential foundation types, homeowners should conduct radon testing to establish baseline readings.

7.00

pCi/L area average

Above EPA Action Level

Greene County average: 7.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Willard 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+

Willard, 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 Willard, MO

No homeowner tests have been submitted for Willard 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
Springfield	11.1 mi	7.00 pCi/L	1
Marshfield	27.6 mi	7.00 pCi/L	1
Stockton	35.9 mi	4.00 pCi/L	1
Pittsburg	38.2 mi	6.00 pCi/L	1
Reeds Spring	42.1 mi	6.00 pCi/L	1
Branson	44.4 mi	4.00 pCi/L	1
Kimberling City	45.4 mi	7.00 pCi/L	2
Shell Knob	48.2 mi	5.00 pCi/L	2

Greene County Radon Profile

The soils and bedrock of Greene County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Greene County average 7.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Greene County to test, as levels can differ between neighboring homes.

Radon FAQ for Willard, MO

What EPA Radon Zone is Willard in?

Willard and the 65781 zip code are in Greene 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 Willard?

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

Radon mitigation in Willard 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 Willard?

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.