Home hazard report for 28429 — Castle Hayne, NC
ZIP 28429 is served by Shady Haven MHP: no health-based violations since 2016, latest lead result 13.5 ppb, PFAS not tested. New Hanover County is in EPA radon zone 3.
No health-based violations reported since 2016.
Below the current 15 ppb action level but above 10 ppb, the action level under EPA's Lead and Copper Rule Improvements (compliance from 2027). Latest round: Jan 2023.
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).
Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.
FEMA’s overall natural-hazard risk for this census tract, relative to the rest of the U.S.
The nearest active Superfund site is 6.0 miles away.
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Where ZIP 28429 is
Dashed: ZIP area · blue: utility service area · scroll or pinch to zoomDrinking water: Shady Haven MHP
Health-based violations
No health-based violations reported since 2016.
Full record for Shady Haven MHP →
Other systems overlapping this ZIP: Simmons Heights Apartments, Cfpua-Wilmington.
Lead
90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.
PFAS (“forever chemicals”)
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).
Radon in New Hanover County
EPA radon zone 3 — low potential. Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.
Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →
Natural hazard risk
FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Very High, with very high social vulnerability and very high community resilience.
FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.
Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.
Superfund sites nearby
| Site | Status | Distance |
|---|---|---|
| Reasor Chemical Company Castle Hayne, North Carolina · EPA ID NCD986187094 | Cleaned up & deleted | <1 mi |
| New Hanover County Airport Burn Pit Wilmington, North Carolina · EPA ID NCD981021157 | Cleaned up & deleted | 4.7 mi |
| Horton Iron and Metal Wilmington, North Carolina · EPA ID NCN000407480 | Active (final NPL) | 6.0 mi |
| Kerr-McGee Chemical Corp - Navassa Navassa, North Carolina · EPA ID NCD980557805 | Active (final NPL) | 8.6 mi |
EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.
What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.
Questions about 28429
Who supplies drinking water to ZIP 28429?
Shady Haven MHP (EPA ID NC0465164), a groundwater (wells) system serving about 46 people.
Is there lead in Castle Hayne, NC tap water?
The utility’s latest 90th-percentile lead result (Jan 2023) was 13.5 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.
Does Castle Hayne, NC water have PFAS?
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).
Has the water system in 28429 had violations?
No health-based violations reported since 2016.
What natural hazards affect ZIP 28429?
FEMA’s National Risk Index rates the overall natural-hazard risk here as Very High; the highest-rated hazards are coastal flooding (very high), hurricane (very high), lightning (very high).
Are there Superfund sites near 28429?
The nearest active Superfund site is 6.0 miles away. Sites within 10 miles: Reasor Chemical Company (0.5 mi, Cleaned up & deleted); New Hanover County Airport Burn Pit (4.7 mi, Cleaned up & deleted); Horton Iron and Metal (6.0 mi, Active (final NPL)).
Is radon a problem in New Hanover County?
New Hanover County is in EPA radon zone 3 (low potential). Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.