Supply, NC Radon Levels

Q: What EPA Radon Zone is Supply in?

Supply is in Brunswick County, EPA Zone 3.

Q: What EPA radon zones surround Supply, NC?

Supply sits in Brunswick County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 8 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

Q: How much does radon mitigation cost in Supply?

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

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

Supply, NC Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Brunswick County, NC

Zip Code 28462

Supply in Brunswick County sits within the Wilmington Metro's coastal plain region, where sandy soils and marine sediments typically produce lower radon concentrations. However, testing data remains sparse for zip code 28462, making baseline measurements important for homeowners. Even in coastal areas with generally favorable geology, individual properties can experience radon accumulation depending on construction type and local soil conditions.

Supply, NC Radon Mitigation

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

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EPA Radon Zones Near Supply, NC

No user-submitted radon readings are available for Supply or its immediate area yet. The table below shows the EPA radon zone — a county-level prediction of radon risk — for nearby communities. Radon still varies from home to home, so testing is the only way to confirm your level.

City	Distance	County	EPA Radon Zone
Sunset Beach	16.4 mi	Brunswick County	Zone 3
Delco	18.1 mi	Columbus County	Zone 3
Calabash	18.3 mi	Brunswick County	Zone 3
Bolton	20.0 mi	Columbus County	Zone 3
Leland	21.5 mi	Brunswick County	Zone 3
Kure Beach	21.8 mi	New Hanover County	Zone 3
Nakina	22.0 mi	Columbus County	Zone 3
Riegelwood	22.5 mi	Columbus County	Zone 3

Brunswick County Radon Profile

Local geology places Brunswick County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Few homeowner tests have been logged inside Brunswick County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Brunswick County to test, as levels can differ between neighboring homes.

Radon FAQ for Supply, NC

What EPA Radon Zone is Supply in?

Supply and the 28462 zip code are in Brunswick County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

What EPA radon zones surround Supply, NC?

Supply sits in Brunswick County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 8 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

How much does radon mitigation cost in Supply?

Radon mitigation in Supply 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 Supply?

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.