Westport, KY Radon Mitigation and Testing

Q: What EPA Radon Zone is Westport in?

Westport is in Oldham County, EPA Zone 2.

Q: How much does radon mitigation cost in Westport?

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

Oldham County

EPA Zone 2

Positioned in Oldham County within the Louisville metro area, Westport features suburban development on Ohio River valley deposits that can contribute to moderate radon levels throughout the region. The community's newer housing stock typically includes modern foundations, though basement spaces remain common and can accumulate radon gas. Although specific testing data for zip code 40077 is currently unavailable, homeowners should consider radon testing given the area's EPA Zone 2 classification and geological setting.

Westport, KY Radon Mitigation

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

Westport, KY Radon Testing

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

Westport Radon Facts

Key details about the radon risk profile for Westport and the 40077 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Oldham County, KY

Zip Code

40077

Predicted Screening Level

2–4 pCi/L (Zone 2)

Westport and the 40077 zip code are located in Oldham 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 Westport, KY

What EPA Radon Zone is Westport in?

Westport and the 40077 zip code are in Oldham 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 Westport?

Radon mitigation in Westport 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 Westport?

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 Kentucky

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

City	Avg User Radon Level	Submissions
Bowling Green	15.80 pCi/L	5
Lexington	8.40 pCi/L	5
Frankfort	7.80 pCi/L	5
Florence	5.40 pCi/L	5
Owensboro	5.33 pCi/L	3
Union	4.67 pCi/L	3
Brandenburg	11.50 pCi/L	2
Harrodsburg	9.00 pCi/L	2
Louisville	5.50 pCi/L	2
Campbellsville	11.00 pCi/L	1