Carbon, Total violations in Montana
2 active public water systems in Montana had a Carbon, Total violation in the past three years, 2 of them still unresolved. What Carbon, Total is and why it matters.
Systems with a Carbon, Total violation
Unresolved first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Fort Belknap Agency Water System County |
2,600 | 3 | 0 | |
|
Crow Agency Water System County |
2,057 | 7 | 2 |
About this data
A system is counted once if any of its violations in the past three years involved Carbon, Total, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Carbon, Total alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Montana records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.