Revised Total Coliform Rule (RTCR) violations in Montana
620 active public water systems in Montana had a Revised Total Coliform Rule (RTCR) violation in the past three years, 204 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.
Systems with a Revised Total Coliform Rule (RTCR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
One Stop Hot Springs · Sanders County |
500 | 3 | 0 | |
|
Fromberg Town of Fromberg · Carbon County |
498 | 5 | 1 | |
|
Cut Bank North Water District Santa Rita · Glacier County |
478 | 3 | 0 | |
|
Broadus Town of Broadus · Powder River County |
450 | 3 | 0 | |
|
North Valley County Water and Sewer Dist St Marie · Valley County |
450 | 5 | 2 | |
|
Showdown Ski Lift INC Neihart · Meagher County |
448 | 1 | 0 | |
|
Bushard Water Company Great Falls · Cascade County |
425 | 3 | 1 | |
|
Mountain View Co-Op Ulm Ulm · Cascade County |
421 | 1 | 0 | |
|
Anderson Stevenson Wilke Funeral Home Helena · Lewis and Clark County |
411 | 1 | 0 | |
|
Meadow Manor Kalispell · Flathead County |
410 | 2 | 0 | |
|
Park Cafe & Grocery County |
410 | 1 | 0 | |
|
Pryor Water System County |
406 | 7 | 1 | |
|
Discovery Ski Area Anaconda · Granite County |
401 | 2 | 0 | |
|
Ashland Water and Sewer District Ashland · Rosebud County |
400 | 5 | 0 | |
|
Bridger Rest Area Silesia · Carbon County |
400 | 2 | 1 | |
|
Ekalaka Town of Ekalaka · Carter County |
400 | 2 | 0 | |
|
Heart Butte Water System County |
400 | 5 | 0 | |
|
Manhattan Christian Schools Manhattan · Gallatin County |
400 | 3 | 0 | |
|
Troy Rest Area Troy · Lincoln County |
400 | 1 | 0 | |
|
Dry Redwater Regional Water Authority Sidney · McCone County |
365 | 2 | 1 | |
|
Bainville Town of Bainville · Roosevelt County |
350 | 2 | 1 | |
|
Maverick Mountain Resort LLC Polaris · Beaverhead County |
340 | 2 | 0 | |
|
Dutton Town of Dutton · Teton County |
338 | 6 | 0 | |
|
Mountain Acres MB HM PK Lewistown · Fergus County |
320 | 2 | 0 | |
|
Rock Creek Resort Red Lodge Red Lodge · Carbon County |
320 | 2 | 0 | |
|
Stacey's Bar-The Westerner Gallatin Gateway · Gallatin County |
315 | 2 | 0 | |
|
Best Burger Drive in Bozeman · Gallatin County |
310 | 2 | 1 | |
|
Log Gulch Recreation Site Blm Wolf Creek · Lewis and Clark County |
306 | 1 | 0 | |
|
Camelot Ranch Event Center Billings · Yellowstone County |
300 | 1 | 0 | |
|
Clyde Park Water Dept Clyde Park · Park County |
300 | 6 | 0 | |
|
Mobile City Home Park NO 2 Helena · Lewis and Clark County |
300 | 1 | 0 | |
|
Nashua Town of Nashua · Valley County |
300 | 3 | 1 | |
|
Picchionis Iga Roundup · Musselshell County |
300 | 1 | 0 | |
|
Seville Water System County |
300 | 5 | 0 | |
|
Snowline Acres Kalispell · Flathead County |
300 | 1 | 0 | |
|
Thorpe Commercial Center North Belgrade · Gallatin County |
288 | 1 | 0 | |
|
Pipestone RV Park Whitehall · Jefferson County |
286 | 1 | 0 | |
|
Wyola Water System County |
281 | 10 | 1 | |
|
Big Sky School District NO 72 Gallatin Gateway · Gallatin County |
275 | 2 | 0 | |
|
Trapper Creek Job Corps Darby · Ravalli County |
275 | 4 | 0 | |
|
Farm to Market Store Libby · Lincoln County |
274 | 2 | 0 | |
|
Kountry Korner Cafe Bozeman · Gallatin County |
274 | 2 | 0 | |
|
Jefferson School District NO 1 Glendive · Dawson County |
270 | 2 | 1 | |
|
Korner Klub Bozeman · Gallatin County |
264 | 2 | 0 | |
|
Forlorn Hope LLC Missoula · Missoula County |
262 | 3 | 1 | |
|
Allard's Stage Stop County |
260 | 3 | 1 | |
|
Blacktail Mountain Ski Area Lakeside · Flathead County |
260 | 1 | 0 | |
|
Blue Sky Heights Wua Clancy Clancy · Jefferson County |
250 | 4 | 1 | |
|
Starr School Water System County |
250 | 3 | 0 | |
|
Red Fox Supper Club Helena · Lewis and Clark County |
245 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) 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.