MADISON, WI · Dane County
MADISON WATER UTILITY Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.
System facts
- System ID (PWSID)
- WI1130224
- System type
- Community Water System
- Population served
- 272,000
- Service connections
- 100,740
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Vinyl chloride
January 1, 2001 – March 31, 2001
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2001 – March 31, 2001
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2001 – March 31, 2001 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2001 – March 31, 2001 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2001 – March 31, 2001 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 3, 2002State Public Notification received201 linked violations
Contact
KUMAR, KRISHNA - GEN MGR
Phone not on record
MADISON, WI 53713