Public water system · MT0001598
ActiveYellowstone Travel Plaza Truck Stop
At a glance
Yellowstone Travel Plaza Truck Stop (PWSID MT0001598) is an active transient non-community water system in Park County, Montana. It reports serving 500 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, none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Yellowstone Travel Plaza Truck Stop compare with other water systems in Park County?
By EPA's size categories, Yellowstone Travel Plaza Truck Stop is a very small system (500 people or fewer). Park County has 59 active public water systems, and Yellowstone Travel Plaza Truck Stop is the 4th-largest of them by population served. Its population served is about 85% above the county average of 271 people per system, and accounts for 3.1% of the 15,983 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 Yellowstone Travel Plaza Truck Stop is about 3.5 times 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 Yellowstone Travel Plaza Truck Stop?
EPA lists Yellowstone Travel Plaza Truck Stop 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. 49 of the 59 active systems in Park County (83%) are also privately owned.
Does Yellowstone Travel Plaza Truck Stop have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between July 2005 and November 2025. By type: 7 monitoring and 5 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 9 as resolved and 3 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-10-14 | 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 | Archived |
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2025-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2024-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | 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.
Yellowstone Travel Plaza Truck Stop: frequently asked questions
Who runs Yellowstone Travel Plaza Truck Stop?
Yellowstone Travel Plaza Truck Stop (PWSID MT0001598) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Yellowstone Travel Plaza Truck Stop serve?
Yellowstone Travel Plaza Truck Stop reports serving 500 people through 2 service connections in Park County, Montana.
Where does Yellowstone Travel Plaza Truck Stop 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 Yellowstone Travel Plaza Truck Stop have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. 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 Yellowstone Travel Plaza Truck Stop'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, none is health-based, and the most recent began in November 2025. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Yellowstone Travel Plaza Truck Stop's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Yellowstone Travel Plaza Truck Stop 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 Park County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Livingston City of | Park | 7,500 | Community | Groundwater |
| Emigrant Rest Stop | Park | 800 | Transient non-community | Groundwater |
| Gardiner Park Co Water Dist | Park | 700 | Community | Groundwater |
| Sage Lodge | Park | 500 | Transient non-community | Groundwater |
| Chico Hot Springs | Park | 415 | Non-transient non-community | Surface water |
| Cooke City Water District | Park | 300 | 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, “Yellowstone Travel Plaza Truck Stop, PWSID MT0001598, Montana”, https://aquacensus.com/water-systems/montana/yellowstone-travel-plaza-truck-stop-mt0001598 (data as of October 1, 2026).