Carleton College
Minnesota — Community Water System — PWSID: MN1660013
System Information
| PWSID | MN1660013 |
| System Name | Carleton College |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 24, 1981 |
| Last Reported | Nov 25, 2025 |
Location & Contact
| State | Minnesota |
| City | Northfield |
| ZIP Code | 55057 |
| Address | Superintendent of Buildings |
| Organization | Carleton College |
| Phone | — |
Population & Service
| Population Served | 2,485 |
| Service Connections | 28 |
Drinking Water Violations (24)
This water system has 24 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 1, 2021 | Oct 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Oct 19, 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 19, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 16, 2021 | Lead and Copper Rule |
| Oct 19, 1999 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 24, 2000 | Consumer Confidence Rule |
| Oct 19, 1999 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 24, 2000 | Consumer Confidence Rule |
| Oct 19, 1999 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 24, 2000 | Consumer Confidence Rule |
| Oct 19, 1999 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 24, 2000 | Consumer Confidence Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1997 | Nitrate Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1997 | Nitrate Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1997 | Nitrate Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1997 | Nitrate Rule |
| Jan 1, 1994 | Jan 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1994 | Total Coliform Rule |
| Jan 1, 1994 | Jan 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1994 | Total Coliform Rule |
| Jan 1, 1994 | Jan 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1994 | Total Coliform Rule |
| Sep 1, 1992 | Sep 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1992 | Total Coliform Rule |
| Sep 1, 1992 | Sep 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1992 | Total Coliform Rule |
| Sep 1, 1992 | Sep 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1992 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.