LOCKWOOD WATER AND SEWER DISTRICT
Montana — Community Water System — PWSID: MT0000156
System Information
| PWSID | MT0000156 |
| System Name | LOCKWOOD WATER AND SEWER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | BILLINGS |
| ZIP Code | 59101 |
| Address | 1644 OLD HARDIN RD |
| Organization | ARIZTIA, MICHAEL J |
| Phone | 406-259-4120 |
Population & Service
| Population Served | 5,900 |
| Service Connections | 2,049 |
Drinking Water Violations (12)
This water system has 12 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, 2013 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2013 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2013 | — | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | — | 7 MFL | — | Archived | Dec 31, 2013 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2004 | — | |
| — | — | — | 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.