Water quality for ZIP code 59484
ZIP 59484 covers Sweet Grass in Toole County, Montana, one of 7 ZIP codes in the county. 18 active public water systems serve the county; 13 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Toole County
14 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Sunburst Town of Sunburst |
459 | 1 | 12.9 mi | |
| Sweetgrass Water Users Assn Sweetgrass |
100 | 3 | 14.1 mi | |
| Rimrock Colony Sunburst |
124 | 1 | 20.5 mi | |
| Kevin Town of Kevin |
290 | 0 | 20.7 mi | |
| Ncmrwa North Shelby Shelby |
300 | 1 | 33.4 mi | |
| Oilmont County Water District Shelby |
300 | 1 | 33.4 mi | |
| Ethridge County Water District Shelby |
70 | 2 | 33.4 mi | |
| Shelby City of Shelby |
3,970 | 1 | 33.8 mi | |
| Devon Water INC Shelby |
75 | 2 | 33.8 mi | |
| Galata County Water District Galata |
200 | 1 | 36.6 mi | |
| Camrose Colony Ledger |
95 | 3 | 36.8 mi | |
| Ncmrwa Shelby to Ethridge Cut Bank |
70 | 0 | 38.3 mi | |
| Hillside Colony INC Sweetgrass |
100 | 0 | — | |
| Nine Mile CO Water and Sewer District |
90 | 1 | — |
Non-community systems in Toole County (3: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Lewis and Clark RV Park Shelby |
25 | 1 | 0 | |
|
Albertsons Shelby NO 2014 Shelby |
50 | 0 | 0 | |
|
Marias Valley Golf and Country Club Shelby |
105 | 2 | 0 |
About this data
Water systems are matched to Toole County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
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.