Water Quality in San Antonio, TX
400 water systems serving 2,350,111 people
City Overview
Average lead detection across San Antonio water systems is 2.5 ppb (Low). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 14361 |
| Health-based violations | 848 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in San Antonio
Frequently Asked Questions
Is San Antonio tap water safe to drink?
San Antonio 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 San Antonio, Texas?
San Antonio has 400 public water systems serving approximately 2,350,111 people. The average lead level across sampled systems is 2.5 ppb. There are 14361 total violations on record.
Does San Antonio have lead in the water?
EPA monitoring data shows an average lead detection of 2.5 ppb across San Antonio's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve San Antonio?
400 public water systems are registered in San Antonio, Texas with the EPA Safe Drinking Water Information System. Together they serve approximately 2,350,111 people.