States › North Carolina › Iredell County

Iredell County, NC Water Quality

Water quality data for 5 public water systems serving Iredell County, North Carolina — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 5 water systems · 5 cities
✅
Excellent — All Systems Performing Well

Water quality across the county is outstanding with minimal violations and very low lead levels.

A

Iredell County Earns a A

Iredell County: 5 communities across 5 water systems. 100.0% have no open violations.

  • Median lead where detected: none detected
  • 0 communities with a lead detection, 5 reporting none detected
  • 1 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
5
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
  • Mooresville
    Not detected
    No federal limits exceeded on record
    A
  • Lake Norman of Iredell
    Not detected
    No federal limits exceeded on record
    A
  • Statesville
    Not detected
    2 health-based violations since 2015
    A
  • Troutman
    Not detected
    1 health-based violation since 2015
    B
  • Harmony
    Not detected
    PFAS above the limit at 5 of 38 sampling points
    C
⚠ Needs Attention
  • Harmony
    Not detected
    PFAS above the limit at 5 of 38 sampling points
    C
  • Statesville
    Not detected
    2 health-based violations since 2015
    A
  • Troutman
    Not detected
    1 health-based violation since 2015
    B
  • Mooresville
    Not detected
    No federal limits exceeded on record
    A
  • Lake Norman of Iredell
    Not detected
    No federal limits exceeded on record
    A

All Cities in Iredell County

Mooresville Not detected A
Statesville Not detected A
Lake Norman of Iredell Not detected A
Troutman Not detected B
Harmony Not detected C
Showing 5 cities
No active violations Active violations

About Iredell County Drinking Water

Iredell County is served by 5 water systems covering 5 communities. No community here has an open violation on record.

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

1 of 5 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 Iredell County tap water safe to drink?▼
No community in Iredell County has an open violation on record. 1 of 5 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Iredell County?▼
No community reported a lead detection.
How many water systems serve Iredell County?▼
5 community water systems serve 5 communities here.
← Back to North Carolina water quality overview