States › North Carolina › Brunswick County

Brunswick County, NC Water Quality

Water quality data for 6 public water systems serving Brunswick County, North Carolina — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 6 water systems · 17 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

Brunswick County Earns a C

Brunswick County: 17 communities across 6 water systems. 100.0% have no open violations.

  • Median lead where detected: none detected
  • 0 communities with a lead detection, 17 reporting none detected
  • 13 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
—
Median Lead Level
County-wide, 90th percentile
6
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Leland
    Not detected
    1 health-based violation since 2015
    A
  • Belville
    Not detected
    1 health-based violation since 2015
    A
  • Navassa
    Not detected
    1 health-based violation since 2015
    A
  • Bald Head Island
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Oak Island
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    B
⚠ Needs Attention
  • Northwest
    Not detected
    PFAS above the limit at 1 of 2 sampling points
    C
  • Boiling Spring Lakes
    Not detected
    PFAS above the limit at 1 of 2 sampling points
    C
  • St. James
    Not detected
    PFAS above the limit at 1 of 2 sampling points
    C
  • Sunset Beach
    Not detected
    PFAS above the limit at 1 of 2 sampling points
    C
  • Southport
    Not detected
    PFAS above the limit at 1 of 2 sampling points
    C

All Cities in Brunswick County

Leland Not detected A
Oak Island Not detected B
St. James Not detected C
Sunset Beach Not detected C
Belville Not detected A
Southport Not detected C
Calabash Not detected C
Carolina Shores Not detected C
Holden Beach Not detected C
Ocean Isle Beach Not detected C
Navassa Not detected A
Varnamtown Not detected C
Shallotte Not detected C
Bald Head Island Not detected B
Bolivia Not detected C
Northwest Not detected C
Boiling Spring Lakes Not detected C
Showing 17 cities
No active violations Active violations

About Brunswick County Drinking Water

Brunswick County is served by 6 water systems covering 17 communities. No community here has an open violation on record.

Lead was not detected in any community in Brunswick County that reported a result.

13 of 17 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded no significant deficiencies.

Frequently Asked Questions

Is Brunswick County tap water safe to drink?▼
No community in Brunswick County has an open violation on record. 13 of 17 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Brunswick County?▼
No community reported a lead detection.
How many water systems serve Brunswick County?▼
6 community water systems serve 17 communities here.
← Back to North Carolina water quality overview