Brunswick County, North Carolina
21 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-04
Recent water monitoring in Brunswick County shows 21 ZIP codes with consistently safe results.
How Brunswick County Compares
How Brunswick County Compares
Brunswick County scores 2 points below the North Carolina state average (73/100) and 3 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Brunswick County, North Carolina
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 10.4%, diabetes 13.5%)
Estimated additional annual cost per homeowner: $2,884, driven primarily by flood
Infrastructure: 0.304% avg pipe failure probability, 5% of ZIPs at high risk
33.4% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Brunswick County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 14 violations. Past 5 years: 23 total (23 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,884
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
105,263 housing units in Brunswick County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Brunswick County
Remediation costs are relatively manageable for most homeowners in Brunswick County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Brunswick County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Brunswick County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Charlotte Water | 1,163,701 | 38 |
| 2 | Fairfield Harbour | 5,514 | 38 |
| 3 | Carolina Trace Water System | 4,516 | 38 |
| 4 | North River/mill Creek Water Service Dis | 4,417 | 38 |
| 5 | Whispering Pines Development | 4,178 | 38 |
42 total water systems serve Brunswick County.
All ZIP Codes in Brunswick County
21 ZIP codes tracked in Brunswick County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 28111 | Monroe | 91 | A | 8 (1 health) | — |
| 2 | 28112 | Monroe | 91 | A | 8 (1 health) | $272K |
| 3 | 28458 | Rose Hill | 90 | A | 1 | $115K |
| 4 | 28402 | Wilmington | 88 | A | 17 (2 health) | — |
| 5 | 27323 | Reidsville | 86 | A | 35 (3 health) | — |
| 6 | 28359 | Lumberton | 86 | A | 3 (1 health) | — |
| 7 | 28284 | Charlotte | 83 | B | 38 (12 health) | — |
| 8 | 28422 | Bolivia | 77 | B | 1 | $295K |
| 9 | 28451 | Leland | 75 | B | 8 (2 health) | $315K |
| 10 | 28465 | Oak Island | 67 | C | 0 | $436K |
| 11 | 28452 | Longwood | 66 | C | 0 | — |
| 12 | 28469 | Ocean Isle Beach | 66 | C | 0 | $413K |
| 13 | 27019 | Germanton | 65 | C | 11 (2 health) | $187K |
| 14 | 28420 | Ash | 65 | C | 0 | $205K |
| 15 | 28479 | Winnabow | 65 | C | 0 | $298K |
| 16 | 28470 | Shallotte | 59 | C | 2 | $253K |
| 17 | 28467 | Calabash | 55 | C | 0 | $281K |
| 18 | 28468 | Sunset Beach | 55 | C | 0 | $362K |
| 19 | 28459 | Shallotte | 54 | D | 2 | — |
| 20 | 28461 | Southport | 50 | D | 0 | $389K |
| 21 | 28462 | Supply | 50 | D | 0 | $230K |
Recommended Buyer Guides for Brunswick County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Water Filters for Lead — Lead above EPA action level in 3 ZIP codes
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Brunswick County, North Carolina
Overview
Brunswick County in North Carolina covers 21 ZIP codes with an average Home Safety Score of B (71/100).
12 of 21 ZIP codes have recorded EPA violations. 24 health-based violations have been documented.
← Back to North Carolina water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.