Water Quality in Portland, ME
72 water systems serving 146,517 people
City Overview
Average lead detection across Portland water systems is 1.4 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 2021 |
| Health-based violations | 265 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Portland
Frequently Asked Questions
Is Portland tap water safe to drink?
Portland 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 Portland, Maine?
Portland has 72 public water systems serving approximately 146,517 people. The average lead level across sampled systems is 1.4 ppb. There are 2021 total violations on record.
Does Portland have lead in the water?
EPA monitoring data shows an average lead detection of 1.4 ppb across Portland's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Portland?
72 public water systems are registered in Portland, Maine with the EPA Safe Drinking Water Information System. Together they serve approximately 146,517 people.