Public water system · MT0004442
ActiveSilver Tip Junction
At a glance
Silver Tip Junction (PWSID MT0004442) is an active transient non-community water system in Sanders County, Montana. It reports serving 62 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
62
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Silver Tip Junction compare with other water systems in Sanders County?
By EPA's size categories, Silver Tip Junction is a very small system (500 people or fewer). Sanders County has 44 active public water systems. Its population served is well below the county average of 209 people per system, and accounts for 0.7% of the 9,212 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Silver Tip Junction is about 57% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Montana has 1,206 active transient non-community water systems, 51% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.
Who owns and regulates Silver Tip Junction?
EPA lists Silver Tip Junction as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 35 of the 44 active systems in Sanders County (80%) are also privately owned.
Does Silver Tip Junction have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. The violations listed here began between December 2010 and April 2026. By type: 6 monitoring, 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-04-17 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-08-13 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2025-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-07 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2024-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-04 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2010-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Silver Tip Junction: frequently asked questions
Who runs Silver Tip Junction?
Silver Tip Junction (PWSID MT0004442) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Silver Tip Junction serve?
Silver Tip Junction reports serving 62 people through 2 service connections in Sanders County, Montana.
Where does Silver Tip Junction get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Silver Tip Junction have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Silver Tip Junction's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2026. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Silver Tip Junction's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Silver Tip Junction is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Sanders County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Thompson Falls City of | Sanders | 1,950 | Community | Groundwater |
| Plains Town of | Sanders | 1,700 | Community | Groundwater |
| Hot Springs Municipal Water | Sanders | 600 | Community | Groundwater |
| One Stop | Sanders | 500 | Transient non-community | Groundwater |
| Sanders County Harvest Foods | Sanders | 445 | Non-transient non-community | Groundwater |
| Water Service Inc. Trout Creek | Sanders | 350 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Silver Tip Junction, PWSID MT0004442, Montana”, https://aquacensus.com/water-systems/montana/silver-tip-junction-mt0004442 (data as of October 1, 2026).