Water Quality in Waltham, MA
8 water systems serving 67,388 people
City Overview
Average lead detection across Waltham water systems is 1.0 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 120 |
| Health-based violations | 26 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Waltham
Frequently Asked Questions
Is Waltham tap water safe to drink?
Waltham 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 Waltham, Massachusetts?
Waltham has 8 public water systems serving approximately 67,388 people. The average lead level across sampled systems is 1.0 ppb. There are 120 total violations on record.
Does Waltham have lead in the water?
EPA monitoring data shows an average lead detection of 1.0 ppb across Waltham's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Waltham?
8 public water systems are registered in Waltham, Massachusetts with the EPA Safe Drinking Water Information System. Together they serve approximately 67,388 people.