Blackduck
Minnesota — Community Water System — PWSID: MN1040014
System Information
| PWSID | MN1040014 |
| System Name | Blackduck |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 24, 1981 |
| Last Reported | Nov 25, 2025 |
Location & Contact
| State | Minnesota |
| City | Blackduck |
| ZIP Code | 56630 |
| Address | Blackduck City Hall |
| Organization | Blackduck City Council |
| Phone | 2188354803 |
Population & Service
| Population Served | 826 |
| Service Connections | 283 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Dec 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2024 | Arsenic Rule |
| Jan 1, 2024 | Dec 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2024 | Arsenic Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 14, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 14, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 14, 2021 | Lead and Copper Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 15, 1997 | Total Coliform Rule |
| — | — | — | 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.