Water Quality in Johnston, RI
40 water systems serving 11,352 people
City Overview
Average lead detection across Johnston water systems is 2.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 691 |
| Health-based violations | 144 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Johnston
Frequently Asked Questions
Is Johnston tap water safe to drink?
Johnston 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 Johnston, Rhode Island?
Johnston has 40 public water systems serving approximately 11,352 people. The average lead level across sampled systems is 2.6 ppb. There are 691 total violations on record.
Does Johnston have lead in the water?
EPA monitoring data shows an average lead detection of 2.6 ppb across Johnston's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Johnston?
40 public water systems are registered in Johnston, Rhode Island with the EPA Safe Drinking Water Information System. Together they serve approximately 11,352 people.