ROCKER WATER AND SEWER DISTRICT
Montana — Community Water System — PWSID: MT0003478
System Information
| PWSID | MT0003478 |
| System Name | ROCKER WATER AND SEWER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Non-Inventory |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 8, 1991 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | ROCKER |
| ZIP Code | 59701 |
| Address | 1108 GRIZZLY TRAIL |
| Organization | MOLIGNONI, ALBERT |
| Phone | 406-723-9365 |
Population & Service
| Population Served | 2,250 |
| Service Connections | 95 |
Drinking Water Violations (20)
This water system has 20 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, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 5, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 5, 2022 | Consumer Confidence Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 18, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 18, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 18, 2012 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Mar 1, 2001 | Mar 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | Total Coliform Rule |
| Mar 1, 2001 | Mar 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | Total Coliform Rule |
| Mar 1, 2001 | Mar 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | Total Coliform Rule |
| Oct 1, 1996 | Oct 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | Total Coliform Rule |
| Oct 1, 1996 | Oct 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | Total Coliform Rule |
| Jul 1, 1993 | Dec 31, 1993 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | Lead and Copper Rule |
| Jul 1, 1993 | Dec 31, 1993 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | Lead and Copper Rule |
| Aug 1, 1992 | Aug 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1992 | Total Coliform Rule |
| Aug 1, 1992 | Aug 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1992 | Total Coliform Rule |
| Apr 1, 1992 | Apr 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1992 | Total Coliform 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.