Winston, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Winston in?

Winston is in Daviess County, EPA Zone 2.

Q: How much does radon mitigation cost in Winston?

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

Daviess County

EPA Zone 2

Rural Winston in Daviess County sits on Missouri's glacial till and limestone formations that can generate moderate radon levels. Testing data for this 64689 community is currently unavailable, making individual home assessment essential. The area's agricultural setting and typical Midwest housing characteristics make radon testing important for local homeowners.

Winston, MO Radon Mitigation

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

Winston, MO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Winston Radon Facts

Key details about the radon risk profile for Winston and the 64689 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Daviess County, MO

Zip Code

64689

Predicted Screening Level

2–4 pCi/L (Zone 2)

Winston and the 64689 zip code are located in Daviess County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Winston, MO

What EPA Radon Zone is Winston in?

Winston and the 64689 zip code are in Daviess 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.

How much does radon mitigation cost in Winston?

Radon mitigation in Winston 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 Winston?

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.

Most Active Radon Markets in Missouri

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0