West Portsmouth, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is West Portsmouth in?

West Portsmouth is in Scioto County, EPA Zone 2.

Q: How much does radon mitigation cost in West Portsmouth?

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

Scioto County

EPA Zone 2

Positioned along the Ohio River in Scioto County, West Portsmouth sits atop Paleozoic shale and sandstone formations that contribute to Ohio's moderate radon potential. Current testing data for this riverside community is limited, making individual home assessment crucial for residents. The area's mix of older river town architecture and newer developments means foundation types vary considerably, and all homeowners should prioritize radon testing regardless of their home's construction era.

West Portsmouth, OH Radon Mitigation

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

West Portsmouth, OH Radon Testing

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

West Portsmouth Radon Facts

Key details about the radon risk profile for West Portsmouth and the 45663 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Scioto County, OH

Zip Code

45663

Predicted Screening Level

2–4 pCi/L (Zone 2)

West Portsmouth and the 45663 zip code are located in Scioto 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 West Portsmouth, OH

What EPA Radon Zone is West Portsmouth in?

West Portsmouth and the 45663 zip code are in Scioto 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 West Portsmouth?

Radon mitigation in West Portsmouth 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 West Portsmouth?

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 Ohio

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

City	Avg User Radon Level	Submissions
Marietta	8.00 pCi/L	5
Cincinnati	5.20 pCi/L	5
Hilliard	11.75 pCi/L	4
Wilmington	5.25 pCi/L	4
Newark	15.00 pCi/L	3
Athens	11.33 pCi/L	3
Findlay	10.33 pCi/L	3
Perrysburg	9.67 pCi/L	3
Powell	8.33 pCi/L	3
Columbus	6.00 pCi/L	3
Chagrin Falls	4.67 pCi/L	3
Hamilton	10.00 pCi/L	2
Chardon	5.50 pCi/L	2
Strongsville	4.50 pCi/L	2
Maineville	10.00 pCi/L	1
Lancaster	9.00 pCi/L	1
West Chester	9.00 pCi/L	1
Amherst	6.00 pCi/L	1
Chillicothe	6.00 pCi/L	1
Lima	5.00 pCi/L	1