Drinking Water Compliance OS

BILLINGS, MT · Yellowstone County

BILLINGS CITY OF 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)
MT0000153
System type
Community Water System
Population served
114,000
Service connections
33,575
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 1998 – August 31, 1998

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

ENGELS, LOUIS W

406-657-8349

BILLINGS, MT 59101