ST JOHN'S WATER (SC1020002)
Community Water System · South Carolina · JOHNS ISLAND
PWSID: SC1020002
Compliant
Population Served
22.6K
Service Connections
9.7K
Total Violations
19
Health-Based Violations
1
Lead & Copper Data
Lead Level
Caution2.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- JOHNS ISLAND
- ZIP Code
- 29457
- Counties Served
- Charleston
- Cities Served
- JOHNS ISLAND (STA.)
- Open Violations
- 0
- State
- South Carolina
Violation Summary
19
Total Violations
1
Health-Based
0
Open Now
Most recent violation: 2015-09-01
Explore South Carolina Water Quality
See all water systems, lead data, and violation trends for South Carolina.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: SC1020002.SafeWater Home