Water Quality in Wilmington, DE
44 water systems serving 219,670 people
City Overview
Average lead detection across Wilmington water systems is 4.4 ppb (Low). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 427 |
| Health-based violations | 195 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in Wilmington
Frequently Asked Questions
Is Wilmington tap water safe to drink?
Wilmington 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 Wilmington, Delaware?
Wilmington has 44 public water systems serving approximately 219,670 people. The average lead level across sampled systems is 4.4 ppb. There are 427 total violations on record.
Does Wilmington have lead in the water?
EPA monitoring data shows an average lead detection of 4.4 ppb across Wilmington's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve Wilmington?
44 public water systems are registered in Wilmington, Delaware with the EPA Safe Drinking Water Information System. Together they serve approximately 219,670 people.