Water Quality in Columbia, MO
29 water systems serving 218,516 people
City Overview
Average lead detection across Columbia water systems is 2.8 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 977 |
| Health-based violations | 201 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Columbia
Frequently Asked Questions
Is Columbia tap water safe to drink?
Columbia 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 Columbia, Missouri?
Columbia has 29 public water systems serving approximately 218,516 people. The average lead level across sampled systems is 2.8 ppb. There are 977 total violations on record.
Does Columbia have lead in the water?
EPA monitoring data shows an average lead detection of 2.8 ppb across Columbia's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Columbia?
29 public water systems are registered in Columbia, Missouri with the EPA Safe Drinking Water Information System. Together they serve approximately 218,516 people.