Water Quality in Rosemead, CA
20 water systems serving 225,965 people
City Overview
Average lead detection across Rosemead water systems is 8.7 ppb (Moderate). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 271 |
| Health-based violations | 40 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in Rosemead
Frequently Asked Questions
Is Rosemead tap water safe to drink?
Rosemead 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 Rosemead, California?
Rosemead has 20 public water systems serving approximately 225,965 people. The average lead level across sampled systems is 8.7 ppb. There are 271 total violations on record.
Does Rosemead have lead in the water?
EPA monitoring data shows an average lead detection of 8.7 ppb across Rosemead's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve Rosemead?
20 public water systems are registered in Rosemead, California with the EPA Safe Drinking Water Information System. Together they serve approximately 225,965 people.