South Carolina County Water Quality Reports

Abbeville County, SC: 5 Health Violations — 66/100 (2026)

2026 report: Abbeville County, SC scores 66/100 (Grade C). 7 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter p...

Aiken County, SC: 50 Health Violations — 81/100 (2026)

2026 report: Aiken County, SC scores 81/100 (Grade B). 26 ZIP codes analyzed. 84 EPA violations found. Free report with contaminant data and filter picks.

Allendale County, SC: 8 Violations — 87/100 (2026)

2026 report: Allendale County, SC scores 87/100 (Grade A). 4 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter pi...

Anderson County, SC: 6 Health Violations — 75/100 (2026)

2026 report: Anderson County, SC scores 75/100 (Grade B). 18 ZIP codes analyzed. 32 EPA violations found. Free report with contaminant data and filter p...

Bamberg County, SC: 1 Health Violation — 89/100 (2026)

2026 report: Bamberg County, SC scores 89/100 (Grade A). 5 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Barnwell County, SC: 6 Violations — 89/100 (2026)

2026 report: Barnwell County, SC scores 89/100 (Grade A). 5 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Beaufort County, SC: 2 Health Violations — 82/100 (2026)

2026 report: Beaufort County, SC scores 82/100 (Grade B). 20 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter p...

Berkeley County, SC: 5 Health Violations — 75/100 (2026)

2026 report: Berkeley County, SC scores 75/100 (Grade B). 14 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter pi...

Calhoun County, SC Water Safety: 95/100 (2026)

2026 report: Calhoun County, SC scores 95/100 (Grade A). 1 ZIP code analyzed. No EPA violations. Free report with contaminant data and filter picks.

Charleston County, SC: 10 Health Violations — 84/100 (2026)

2026 report: Charleston County, SC scores 84/100 (Grade B). 41 ZIP codes analyzed. 47 EPA violations found. Free report with contaminant data and filter...

Cherokee County, SC: 9 Health Violations — 68/100 (2026)

2026 report: Cherokee County, SC scores 68/100 (Grade C). 6 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Chester County, SC: 1 Violation — 80/100 (2026)

2026 report: Chester County, SC scores 80/100 (Grade B). 5 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Chesterfield County, SC: 8 Health Violations — 79/100 (2026)

2026 report: Chesterfield County, SC scores 79/100 (Grade B). 7 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filte...

Clarendon County, SC: 12 Violations — 78/100 (2026)

2026 report: Clarendon County, SC scores 78/100 (Grade B). 9 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter p...

Colleton County, SC: 4 Violations — 78/100 (2026)

2026 report: Colleton County, SC scores 78/100 (Grade B). 8 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Darlington County, SC: 9 Violations — 86/100 (2026)

2026 report: Darlington County, SC scores 86/100 (Grade A). 7 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter p...

Dillon County, SC Water Safety: 76/100 (2026)

2026 report: Dillon County, SC scores 76/100 (Grade B). 6 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Dorchester County, SC: 16 Health Violations — 80/100 (2026)

2026 report: Dorchester County, SC scores 80/100 (Grade B). 12 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter...

Edgefield County, SC: 2 Violations — 78/100 (2026)

2026 report: Edgefield County, SC scores 78/100 (Grade B). 7 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter pi...

Fairfield County, SC: 1 Health Violation — 73/100 (2026)

2026 report: Fairfield County, SC scores 73/100 (Grade B). 5 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter pi...

Florence County, SC: 2 Violations — 84/100 (2026)

2026 report: Florence County, SC scores 84/100 (Grade B). 10 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter pi...

Georgetown County, SC: 8 Health Violations — 86/100 (2026)

2026 report: Georgetown County, SC scores 86/100 (Grade A). 13 ZIP codes analyzed. 27 EPA violations found. Free report with contaminant data and filter...

Greenville County, SC: 1 Health Violation — 56/100 (2026)

2026 report: Greenville County, SC scores 56/100 (Grade C). 30 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter ...

Greenwood County, SC: 5 Violations — 87/100 (2026)

2026 report: Greenwood County, SC scores 87/100 (Grade A). 7 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter pi...

Hampton County, SC: 19 Violations — 81/100 (2026)

2026 report: Hampton County, SC scores 81/100 (Grade B). 14 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter pi...

Horry County, SC: 14 Health Violations — 79/100 (2026)

2026 report: Horry County, SC scores 79/100 (Grade B). 19 ZIP codes analyzed. 31 EPA violations found. Free report with contaminant data and filter picks.

Jasper County, SC: 2 Violations — 80/100 (2026)

2026 report: Jasper County, SC scores 80/100 (Grade B). 3 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Kershaw County, SC: 1 Health Violation — 89/100 (2026)

2026 report: Kershaw County, SC scores 89/100 (Grade A). 8 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Lancaster County, SC: 1 Health Violation — 93/100 (2026)

2026 report: Lancaster County, SC scores 93/100 (Grade A). 8 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter pi...

Laurens County, SC: 1 Health Violation — 65/100 (2026)

2026 report: Laurens County, SC scores 65/100 (Grade C). 10 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Lee County, SC: 1 Violation — 81/100 (2026)

2026 report: Lee County, SC scores 81/100 (Grade B). 4 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Lexington County, SC: 4 Health Violations — 86/100 (2026)

2026 report: Lexington County, SC scores 86/100 (Grade A). 18 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter ...

Marion County, SC Water Safety: 73/100 (2026)

2026 report: Marion County, SC scores 73/100 (Grade B). 8 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Marlboro County, SC Water Safety: 81/100 (2026)

2026 report: Marlboro County, SC scores 81/100 (Grade B). 7 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Newberry County, SC: 1 Health Violation — 84/100 (2026)

2026 report: Newberry County, SC scores 84/100 (Grade B). 6 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Oconee County, SC: 14 Violations — 70/100 (2026)

2026 report: Oconee County, SC scores 70/100 (Grade B). 12 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.

Orangeburg County, SC: Lead Above EPA Limits — 87/100 (2026)

2026 report: Orangeburg County, SC scores 87/100 (Grade A). 18 ZIP codes analyzed. 7 EPA violations found. Lead above EPA limits. Free report with conta...

Pickens County, SC: 1 Health Violation — 76/100 (2026)

2026 report: Pickens County, SC scores 76/100 (Grade B). 14 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter pi...

Richland County, SC: 60 Health Violations — 86/100 (2026)

2026 report: Richland County, SC scores 86/100 (Grade A). 36 ZIP codes analyzed. 161 EPA violations found. Free report with contaminant data and filter ...

Saluda County, SC: 5 Health Violations — 82/100 (2026)

2026 report: Saluda County, SC scores 82/100 (Grade B). 3 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter picks.

Spartanburg County, SC: 10 Health Violations — 64/100 (2026)

2026 report: Spartanburg County, SC scores 64/100 (Grade C). 32 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filte...

Sumter County, SC: 7 Violations — 85/100 (2026)

2026 report: Sumter County, SC scores 85/100 (Grade A). 8 ZIP codes analyzed. 7 EPA violations found. Free report with contaminant data and filter picks.

Union County, SC: 18 Health Violations — 81/100 (2026)

2026 report: Union County, SC scores 81/100 (Grade B). 7 ZIP codes analyzed. 29 EPA violations found. Free report with contaminant data and filter picks.

Williamsburg County, SC: 2 Health Violations — 81/100 (2026)

2026 report: Williamsburg County, SC scores 81/100 (Grade B). 8 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filte...

York County, SC: 6 Health Violations — 72/100 (2026)

2026 report: York County, SC scores 72/100 (Grade B). 18 ZIP codes analyzed. 39 EPA violations found. Free report with contaminant data and filter picks.