Tapcensus

Bromate violations in Montana

8 active public water systems in Montana had a Bromate violation in the past three years. What Bromate is and why it matters.

Systems with a Bromate violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Lehrkinds Big Spring Water
Lewistown · Fergus County
2,575 2 0
Culligan Water Facility Butte
Butte · Silver Bow County
423 2 1
Culligan of Missoula
Missoula · Missoula County
320 2 1
Culligan Bottled Water Kalispell
Kalispell · Flathead County
125 1 0
Northwest Water Treatment CO
Bozeman · Gallatin County
118 2 1
Central Water Conditioning
Sidney · Richland County
50 2 0
Lehrkinds Water Bottling Plant
Bozeman · Gallatin County
30 2 0
Aquatana
Havre · Hill County
25 1 0
About this data

A system is counted once if any of its violations in the past three years involved Bromate, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Bromate 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.