Water Quality in Rialto, CA
2 water systems serving 158,951 people
City Overview
Average lead detection across Rialto water systems is 0.0 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 25 |
| Health-based violations | 17 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Rialto
Frequently Asked Questions
Is Rialto tap water safe to drink?
Rialto 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 Rialto, California?
Rialto has 2 public water systems serving approximately 158,951 people. The average lead level across sampled systems is 0.0 ppb. There are 25 total violations on record.
Does Rialto have lead in the water?
EPA monitoring data shows an average lead detection of 0.0 ppb across Rialto's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Rialto?
2 public water systems are registered in Rialto, California with the EPA Safe Drinking Water Information System. Together they serve approximately 158,951 people.