Musselshell County, Montana Water Systems
Musselshell County, Montana
6 community water systems on record — 4 active, 2 inactive.
Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Montana’s official records. Always confirm current status with Montana before making decisions based on this information.
Community water systems in Musselshell County, Montana
- FLAT WILLOW COLONYROUNDUP · 42 servedInactive
- MELSTONE TOWN OFMELSTONE · 170 servedActive
- MUSSELSHELL COMMUNITY COUNTY WSDMUSSELSHELL · 75 servedActive
- ROUNDUP MEMORIAL HOSPITALROUNDUP · 52 servedInactive
- ROUNDUP WATER DEPARTMENTROUNDUP · 1,900 servedActive
- SUNSET COLONY UNAPPROVEDROUNDUP · 75 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| FLAT WILLOW COLONY | ROUNDUP | 42 | Inactive |
| MELSTONE TOWN OF | MELSTONE | 170 | Active |
| MUSSELSHELL COMMUNITY COUNTY WSD | MUSSELSHELL | 75 | Active |
| ROUNDUP MEMORIAL HOSPITAL | ROUNDUP | 52 | Inactive |
| ROUNDUP WATER DEPARTMENT | ROUNDUP | 1,900 | Active |
| SUNSET COLONY UNAPPROVED | ROUNDUP | 75 | Active |