Water Quality in Johns Island, SC
14 water systems serving 34,697 people
City Overview
Average lead detection across Johns Island water systems is 4.4 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 130 |
| Health-based violations | 6 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Johns Island
Frequently Asked Questions
Is Johns Island tap water safe to drink?
Johns Island tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in Johns Island, South Carolina?
Johns Island has 14 public water systems serving approximately 34,697 people. The average lead level across sampled systems is 4.4 ppb. There are 130 total violations on record.
Does Johns Island have lead in the water?
EPA monitoring data shows an average lead detection of 4.4 ppb across Johns Island's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Johns Island?
14 public water systems are registered in Johns Island, South Carolina with the EPA Safe Drinking Water Information System. Together they serve approximately 34,697 people.