Health Violations Found

Holly Ridge, NC (28445): PFAS Detected in Mapped Water Systems

EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Onslow Wtr and Sewer Authority)

Health Violations Found PFAS Detected NFIP Claim History

Health-based violation records by water system:

EPA records for the water systems mapped to 28445 in Holly Ridge, NC contain 18 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 9 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Issues 9 health-based violation records
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 5,547 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 9 health-based violations and 9 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 5,547 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Contaminant Summary
Health Violations
18 violations 9 health-based PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
3
Water Systems
156,755
People Served
9
Health Violations (since 2021)Median is 0
Groundwater
Water Source
Zone 3
County Radon Potential · Low
$333K
Median Home Value64% above state median ($203K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
40/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
70/100
Indoor environment
100/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (8) CRITICAL

Your Water System

ZIP code 28445 in Holly Ridge, North Carolina is mapped to the water system Onslow Wtr and Sewer Authority (EPA ID: NC0467035). This system provides water to approximately 156,755 people from groundwater sources.

There are 3 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Onslow Wtr and Sewer Authority NC0467035 156,755 Groundwater
Surf City, Town of NC0471015 9,730 Groundwater
Topsail Beach, Town of NC0471020 3,495 Groundwater

Other Water Quality Reports in North Carolina

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Onslow Wtr and Sewer Authority (NC0467035) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

Compliance History

2021 3 2022 4 2023 2024 2 2025
Health-based (MCL/TT) Other violations

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 28445.

Detected compounds: PFPeA, PFBS, PFBA, PFHxA.

Highest measured level: 0.0076 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (8) MODERATE

Area data suggest possible HVAC concerns - talk to a local expert.

Call (844) 439-2761

This is a free service. You will be connected with an independent service provider. We may receive compensation.

Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Holly Ridge

Based on local data for ZIP 28445, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Holly Ridge has 5,547 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 28445 safe to drink?

EPA SDWIS records 18 violations since 2021 across the water systems mapped to ZIP 28445 (primary system: Onslow Wtr and Sewer Authority), including 9 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 28445's water come from?

The recorded water source for Onslow Wtr and Sewer Authority, a system mapped to ZIP code 28445, is Groundwater. This system serves approximately 156,755 people.

How can I get my water tested in Holly Ridge?

If Onslow Wtr and Sewer Authority supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

What is the radon risk for 28445?

28445 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Onslow County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 28445's water?

Yes, PFAS have been detected in samples from water systems mapped to 28445. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 28445?

FEMA records contain 5547 flood insurance claims filed in ZIP code 28445; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Holly Ridge, NC (28445): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/28445/
BibTeX 
@misc{zipcheckup-report-28445,
  author = {{ZipCheckup}},
  title  = {{Holly Ridge, NC (28445): PFAS Detected in Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/28445/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 28445

ZIP Code City, State Distance Grade Violations
28460 Sneads Ferry, NC 9.2 mi N/A 5
28443 Hampstead, NC 9.6 mi N/A 8
28542 Camp Lejeune, NC 12.8 mi N/A 0
28454 Maple Hill, NC 14.4 mi N/A 10
28541 Jacksonville, NC 16.5 mi N/A 0
28545 Mccutcheon Field, NC 16.5 mi N/A 0
28547 Camp Lejeune, NC 17.4 mi N/A 5
28540 Jacksonville, NC 17.5 mi N/A 56
28543 Tarawa Terrace, NC 19.3 mi N/A 0
28411 Wilmington, NC 19.4 mi A 15

Contaminants Detected in 28445

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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Coverage: 16/17 risk factors Data sources →
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