Water quality for ZIP code 59345
Custer County, Montana, one of 4 ZIP codes in the county. 11 active public water systems serve the county; 5 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Custer County
3 systems, largest first| System | Serves | Status | Rules violated, 3 yr |
|---|---|---|---|
| Custer CO Water and Sewer Dist Miles City |
480 | 0 | |
| Pine Hills Youth Correct Facil Miles City |
193 | 1 | |
| Palisades Apartments Miles City |
50 | 3 |
Non-community systems in Custer County (7: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Kinsey School District 63 Kinsey |
86 | 0 | 0 | |
|
Big Sky Camp and RV Park Miles City |
56 | 0 | 0 | |
|
Kircher School Dist 03 Miles City |
45 | 0 | 0 | |
|
Motel Miles Miles City |
29 | 2 | 0 | |
|
Albertsons Miles City NO 2039 Miles City |
25 | 0 | 0 | |
|
June's Bungalow Miles City |
25 | 1 | 0 | |
|
Primo Refill Wal-Mart NO 2608 Miles City |
25 | 0 | 0 |
About this data
Water systems are matched to Custer County, the county this ZIP code lies in, largest 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.
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.