Water Quality in Chelmsford, MA
5 water systems serving 31,720 people
City Overview
Average lead detection across Chelmsford water systems is 1.8 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 669 |
| Health-based violations | 22 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Chelmsford
Frequently Asked Questions
Is Chelmsford tap water safe to drink?
Chelmsford 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 Chelmsford, Massachusetts?
Chelmsford has 5 public water systems serving approximately 31,720 people. The average lead level across sampled systems is 1.8 ppb. There are 669 total violations on record.
Does Chelmsford have lead in the water?
EPA monitoring data shows an average lead detection of 1.8 ppb across Chelmsford's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Chelmsford?
5 public water systems are registered in Chelmsford, Massachusetts with the EPA Safe Drinking Water Information System. Together they serve approximately 31,720 people.