BILLINGS, MT · Yellowstone County
LOCKWOOD WATER AND SEWER DISTRICT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Montana’s official records. Always confirm current status with Montana before making decisions based on this information.
System facts
- System ID (PWSID)
- MT0000156
- System type
- Community Water System
- Population served
- 5,900
- Service connections
- 2,049
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – July 18, 2013
ResolvedMonitoring, Regular
—Asbestos
January 1, 2011 – December 31, 2013
ArchivedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2013 – July 18, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Asbestos | — | Archived |
| July 1, 2004 – September 30, 2004 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 18, 2013State Compliance achieved1 linked violation
- July 16, 2013State Violation/Reminder Notice1 linked violation
- July 13, 2009State Compliance achieved1 linked violation
- July 10, 2009Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 3, 2006State Compliance achieved3 linked violations
- February 25, 2005State Violation/Reminder Notice2 linked violations
Contact
ARIZTIA, MICHAEL J
406-259-4120
BILLINGS, MT 59101