Water Quality in Cambridge, MA
4 water systems serving 118,345 people
City Overview
Average lead detection across Cambridge water systems is 3.7 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 527 |
| Health-based violations | 2 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Cambridge
Frequently Asked Questions
Is Cambridge tap water safe to drink?
Cambridge 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 Cambridge, Massachusetts?
Cambridge has 4 public water systems serving approximately 118,345 people. The average lead level across sampled systems is 3.7 ppb. There are 527 total violations on record.
Does Cambridge have lead in the water?
EPA monitoring data shows an average lead detection of 3.7 ppb across Cambridge's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Cambridge?
4 public water systems are registered in Cambridge, Massachusetts with the EPA Safe Drinking Water Information System. Together they serve approximately 118,345 people.