Oronoco
Minnesota — Community Water System — PWSID: MN1550036
System Information
| PWSID | MN1550036 |
| System Name | Oronoco |
| 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 | Feb 3, 2011 |
| Last Reported | Nov 25, 2025 |
Location & Contact
| State | Minnesota |
| City | Oronoco |
| ZIP Code | 55960-0195 |
| Address | 115 Second Street NW, Box 195 |
| Organization | Oronoco City Council |
| Phone | 5073674405 |
Population & Service
| Population Served | 2,040 |
| Service Connections | 446 |
Drinking Water Violations (4)
This water system has 4 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 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Oct 13, 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 13, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Oct 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Oct 13, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Oct 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Oct 13, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
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.