Montana
Sweet Grass County drinking water quality
16 active public water systems serve 7,304 people in Sweet Grass County. 8 are compliant, 8 had at least one EPA violation in the past three years, 1 is a designated serious violator, and 0 carry a health flag.
Needs attention
Community water systems
3 systems, largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Big Timber City of Big Timber |
1,650 | 0 | 0 | |
|
Strobel Trailer Court Big Timber |
60 | 0 | 0 | |
|
Cottonwood Estates Big Timber |
50 | 0 | 0 |
Non-community systems (13: schools, campgrounds, workplaces, restaurants)
These systems serve places people visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Greycliff Rest Area Eastbound Greycliff |
2,500 | 2 | 0 | |
|
Greycliff Rest Area Westbound Greycliff |
1,000 | 1 | 0 | |
|
Big Timber KOA Big Timber |
600 | 1 | 0 | |
|
Stillwater East Boulder Big Timber |
380 | 0 | 0 | |
|
Town Pump 1033 Big Timber # 2 Big Timber |
318 | 0 | 0 | |
|
Clydehurst Christian Ranch Mcleod |
175 | 0 | 0 | |
|
Camp on the Boulder Mcleod |
150 | 1 | 0 | |
|
Greycliff Mill Greycliff |
150 | 2 | 0 | |
|
Lazy K Bar Ranch Big Timber |
69 | 0 | 0 | |
|
Spring Creek CG and Trout Ranch Big Timber |
64 | 2 | 0 | |
|
Town Pump Big Timber Super 8 Big Timber |
63 | 1 | 0 | |
|
Camp Mimanagish Mcleod |
50 | 1 | 0 | |
|
Boulder River Roadkill Big Timber |
25 | 0 | 0 |
Inactive systems (14, no longer operating or reporting)
Kept for the record and excluded from the county totals above. Browse inactive systems.
About this data
Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.
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.