Fontana Dam, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Fontana Dam in?

Fontana Dam is in Graham County, EPA Zone 2.

Q: How much does radon mitigation cost in Fontana Dam?

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

Graham County

EPA Zone 2

Fontana Dam, NC resides in Graham 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. Testing is recommended for all homes in the 28733 zip code area.

Fontana Dam, NC Radon Mitigation

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

Fontana Dam, NC Radon Testing

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

Fontana Dam Radon Facts

Key details about the radon risk profile for Fontana Dam and the 28733 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Graham County, NC

Zip Code

28733

Predicted Screening Level

2–4 pCi/L (Zone 2)

Fontana Dam and the 28733 zip code are located in Graham 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 Fontana Dam, NC

What EPA Radon Zone is Fontana Dam in?

Fontana Dam and the 28733 zip code are in Graham 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 Fontana Dam?

Radon mitigation in Fontana Dam 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 Fontana Dam?

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 North Carolina

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

City	Avg User Radon Level	Submissions
Murphy	12.83 pCi/L	6
Blowing Rock	10.17 pCi/L	6
Brevard	7.50 pCi/L	4
Cary	5.00 pCi/L	4
Highlands	4.50 pCi/L	4
Mooresville	4.00 pCi/L	4
Banner Elk	9.33 pCi/L	3
Charlotte	7.33 pCi/L	3
Denver	4.33 pCi/L	3
Hendersonville	9.00 pCi/L	2
Wake Forest	4.50 pCi/L	2
Apex	3.50 pCi/L	2
Huntersville	3.50 pCi/L	2
Raleigh	9.00 pCi/L	1
Fayetteville	5.00 pCi/L	1
Waxhaw	4.00 pCi/L	1
Chapel Hill	3.00 pCi/L	1
Clayton	No submissions	0
Fuquay Varina	No submissions	0
Holly Springs	No submissions	0