States › South Carolina › Greenville County

Greenville County, SC Water Quality

Water quality data for 4 public water systems serving Greenville County, South Carolina — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 4 water systems · 22 cities
✅
Excellent — All Systems Performing Well

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

A

Greenville County Earns a A

Greenville County: 22 communities across 4 water systems. 100.0% have no open violations.

  • Median lead where detected: none detected
  • 0 communities with a lead detection, 22 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
4
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
  • Greenville
    Not detected
    No federal limits exceeded on record
    A
  • Greer
    Not detected
    No federal limits exceeded on record
    A
  • Mauldin
    Not detected
    No federal limits exceeded on record
    A
  • Simpsonville
    Not detected
    No federal limits exceeded on record
    A
  • Five Forks
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Fountain Inn
    Not detected
    PFAS above the limit at 2 of 3 sampling points
    C
  • Slater-Marietta
    Not detected
    1 health-based violation since 2015
    B
  • Greenville
    Not detected
    No federal limits exceeded on record
    A
  • Greer
    Not detected
    No federal limits exceeded on record
    A
  • Mauldin
    Not detected
    No federal limits exceeded on record
    A

All Cities in Greenville County

Greenville Not detected A
Greer Not detected A
Mauldin Not detected A
Simpsonville Not detected A
Five Forks Not detected A
Taylors Not detected A
Wade Hampton Not detected A
Berea Not detected A
Gantt Not detected A
Parker Not detected A
Sans Souci Not detected A
Travelers Rest Not detected A
Welcome Not detected A
Fountain Inn Not detected C
Dunean Not detected A
Judson Not detected A
Golden Grove Not detected A
City View Not detected A
Slater-Marietta Not detected B
Conestee Not detected A
The Cliffs Valley Not detected A
Ware Place Not detected A
Showing 22 cities
No active violations Active violations

About Greenville County Drinking Water

Greenville County is served by 4 water systems covering 22 communities. No community here has an open violation on record.

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

1 of 22 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 Greenville County tap water safe to drink?▼
No community in Greenville County has an open violation on record. 1 of 22 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Greenville County?▼
No community reported a lead detection.
How many water systems serve Greenville County?▼
4 community water systems serve 22 communities here.
← Back to South Carolina water quality overview