MADISON WATER UTILITY Water Quality Report
Population
272,000
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 2
violations recorded
C
Fair
Safety Grade
2 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- WI1130224
- Population Served
- 272,000
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Wisconsin
- EPA Region
- 5
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7500 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 5200 | ✕ Health-Based | 1 |
| Contaminant 5000 | ✕ Health-Based | 1 |
Violation History
2024
2
2004
1
1992
1
Total violations on record: 4
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
4violations total
14% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 41× more people than the national average.