Water Quality in Watertown, MA
2 water systems serving 35,419 people
City Overview
Average lead detection across Watertown water systems is 0.5 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 21 |
| Health-based violations | 11 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Watertown
Frequently Asked Questions
Is Watertown tap water safe to drink?
Watertown 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 Watertown, Massachusetts?
Watertown has 2 public water systems serving approximately 35,419 people. The average lead level across sampled systems is 0.5 ppb. There are 21 total violations on record.
Does Watertown have lead in the water?
EPA monitoring data shows an average lead detection of 0.5 ppb across Watertown's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Watertown?
2 public water systems are registered in Watertown, Massachusetts with the EPA Safe Drinking Water Information System. Together they serve approximately 35,419 people.