Water Quality in Crystal Lake, IL
166 water systems serving 51,924 people
City Overview
Average lead detection across Crystal Lake water systems is 3.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1345 |
| Health-based violations | 107 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Crystal Lake
Frequently Asked Questions
Is Crystal Lake tap water safe to drink?
Crystal Lake 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 Crystal Lake, Illinois?
Crystal Lake has 166 public water systems serving approximately 51,924 people. The average lead level across sampled systems is 3.6 ppb. There are 1345 total violations on record.
Does Crystal Lake have lead in the water?
EPA monitoring data shows an average lead detection of 3.6 ppb across Crystal Lake's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Crystal Lake?
166 public water systems are registered in Crystal Lake, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 51,924 people.