Water Quality in Sierra Vista, AZ
36 water systems serving 73,040 people
City Overview
Average lead detection across Sierra Vista water systems is 17.5 ppb (Elevated). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 7591 |
| Health-based violations | 80 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in Sierra Vista
Frequently Asked Questions
Is Sierra Vista tap water safe to drink?
Some water systems in Sierra Vista 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 Sierra Vista, Arizona?
Sierra Vista has 36 public water systems serving approximately 73,040 people. The average lead level across sampled systems is 17.5 ppb. There are 7591 total violations on record.
Does Sierra Vista have lead in the water?
EPA monitoring data shows an average lead detection of 17.5 ppb across Sierra Vista's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve Sierra Vista?
36 public water systems are registered in Sierra Vista, Arizona with the EPA Safe Drinking Water Information System. Together they serve approximately 73,040 people.