Water Quality in Delaware, OH
48 water systems serving 263,617 people
City Overview
Average lead detection across Delaware water systems is 4.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 689 |
| Health-based violations | 204 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Delaware
Frequently Asked Questions
Is Delaware tap water safe to drink?
Delaware 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 Delaware, Ohio?
Delaware has 48 public water systems serving approximately 263,617 people. The average lead level across sampled systems is 4.6 ppb. There are 689 total violations on record.
Does Delaware have lead in the water?
EPA monitoring data shows an average lead detection of 4.6 ppb across Delaware's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Delaware?
48 public water systems are registered in Delaware, Ohio with the EPA Safe Drinking Water Information System. Together they serve approximately 263,617 people.