Duluth
Minnesota — Community Water System — PWSID: MN1690011
System Information
| PWSID | MN1690011 |
| System Name | Duluth |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Jan 24, 1981 |
| Last Reported | Nov 25, 2025 |
Location & Contact
| State | Minnesota |
| City | Duluth |
| ZIP Code | 55802 |
| Address | Duluth City Hall |
| Organization | Duluth City Council |
| Phone | 2187305256 |
Population & Service
| Population Served | 86,859 |
| Service Connections | 28,850 |
Drinking Water Violations (11)
This water system has 11 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Oct 1, 2017 | Oct 31, 2017 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.