Public water system · 083090093
ActiveJohnson'S of St. Mary
Transient non-community water system in Montana, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
205
Service connections
124
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-05-01 | 2D | 8000 | Yes | Resolved |
| 2024-06-10 | 4C | 8000 | No | Resolved |
| 2023-01-01 | 03 | 1038 | No | Resolved |
| 2014-08-01 | 24 | 3100 | No | Resolved |
Johnson'S of St. Mary: frequently asked questions
Is Johnson'S of St. Mary's water safe to drink?
Johnson'S of St. Mary is an active transient non-community water system regulated under the Safe Drinking Water Act, overseen by the EPA Region 08. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Johnson'S of St. Mary?
Johnson'S of St. Mary (PWSID 083090093) is a private-owned transient non-community water system, regulated by the EPA Region 08.
How many people does Johnson'S of St. Mary serve?
Johnson'S of St. Mary reports serving 205 people through 124 service connections in Montana.
Where does Johnson'S of St. Mary get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Montana
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New York City System | Richmond | 8,271,000 | Community | Surface water |
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 7,751,132 | Community | Surface water |
| City of Houston | Harris | 2,970,543 | Community | Surface water |
| Chicago | Cook | 2,746,388 | Community | Surface water |
| MWRA | Suffolk | 2,660,000 | Community | Surface water |
| Mdwasa - Main System | Miami-Dade | 2,377,460 | Community | Groundwater |