Water Quality in Ottawa, IL
112 water systems serving 29,555 people
City Overview
Average lead detection across Ottawa water systems is 15.9 ppb (Elevated). The EPA action level is 15 ppb. 2 systems have triggered action level violations.
Violation Summary
| Total violations on record | 4455 |
| Health-based violations | 851 |
| Lead action level violations | 2 |
| Open (unresolved) violations | 0 |
Water Systems in Ottawa
Frequently Asked Questions
Is Ottawa tap water safe to drink?
Some water systems in Ottawa have detected elevated lead levels. While municipal treatment meets EPA standards, lead can leach from older home plumbing. Consider using a certified filter if your home was built before 1986.
What is the water quality in Ottawa, Illinois?
Ottawa has 112 public water systems serving approximately 29,555 people. The average lead level across sampled systems is 15.9 ppb. There are 4455 total violations on record.
Does Ottawa have lead in the water?
EPA monitoring data shows an average lead detection of 15.9 ppb across Ottawa's water systems. The EPA action level is 15 ppb. 2 systems have triggered lead action level violations.
How many water utilities serve Ottawa?
112 public water systems are registered in Ottawa, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 29,555 people.