Water Quality in Rancho Cucamonga, CA
7 water systems serving 511,696 people
City Overview
Average lead detection across Rancho Cucamonga water systems is 1.8 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 65 |
| Health-based violations | 0 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Rancho Cucamonga
Frequently Asked Questions
Is Rancho Cucamonga tap water safe to drink?
Rancho Cucamonga 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 Rancho Cucamonga, California?
Rancho Cucamonga has 7 public water systems serving approximately 511,696 people. The average lead level across sampled systems is 1.8 ppb. There are 65 total violations on record.
Does Rancho Cucamonga have lead in the water?
EPA monitoring data shows an average lead detection of 1.8 ppb across Rancho Cucamonga's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Rancho Cucamonga?
7 public water systems are registered in Rancho Cucamonga, California with the EPA Safe Drinking Water Information System. Together they serve approximately 511,696 people.