Water Quality in Cottage Grove, WI
24 water systems serving 10,580 people
City Overview
Average lead detection across Cottage Grove water systems is 4.4 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 188 |
| Health-based violations | 83 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Cottage Grove
Frequently Asked Questions
Is Cottage Grove tap water safe to drink?
Cottage Grove 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 Cottage Grove, Wisconsin?
Cottage Grove has 24 public water systems serving approximately 10,580 people. The average lead level across sampled systems is 4.4 ppb. There are 188 total violations on record.
Does Cottage Grove have lead in the water?
EPA monitoring data shows an average lead detection of 4.4 ppb across Cottage Grove's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Cottage Grove?
24 public water systems are registered in Cottage Grove, Wisconsin with the EPA Safe Drinking Water Information System. Together they serve approximately 10,580 people.