Clarkfield
Minnesota — Community Water System — PWSID: MN1870002
System Information
| PWSID | MN1870002 |
| System Name | Clarkfield |
| 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 | Clarkfield |
| ZIP Code | 56223-0278 |
| Address | Clarkfield City Hall |
| Organization | Clarkfield City Council |
| Phone | 3206694435 |
Population & Service
| Population Served | 841 |
| Service Connections | 416 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Dec 12, 2024 | Lead and Copper Rule Revisions |
| Jul 2, 2025 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Dec 12, 2024 | Lead and Copper Rule Revisions |
| Jul 1, 2021 | Oct 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Oct 12, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Oct 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Oct 12, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Oct 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Oct 12, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Oct 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Oct 12, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 29, 2021 | Lead and Copper Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1994 | Nitrate Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1994 | Nitrate Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1994 | Nitrate Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1994 | Nitrate Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1993 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1991 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1991 | Total Coliform Rule |
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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.