Public water system · MT0002693
ActiveDena Mora Saltese West Rest
At a glance
Dena Mora Saltese West Rest (PWSID MT0002693) is an active transient non-community water system in Mineral County, Montana. It reports serving 2,000 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. 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
2,000
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dena Mora Saltese West Rest compare with other water systems in Mineral County?
By EPA's size categories, Dena Mora Saltese West Rest is a small system (501 to 3,300 people). Mineral County has 37 active public water systems, and Dena Mora Saltese West Rest is the 4th-largest of them by population served. Its population served is about 4.4 times the county average of 454 people per system, and accounts for 12% of the 16,812 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 Dena Mora Saltese West Rest is about 14 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 Dena Mora Saltese West Rest?
EPA lists Dena Mora Saltese West Rest as owned by a state government. 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. 4 of the 37 active systems in Mineral County (11%) are also owned by a state government.
Does Dena Mora Saltese West Rest 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 April 2017 and April 2026. By type: 6 monitoring and reporting, 5 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 8 as resolved, 3 as archived 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. 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. 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 |
|---|---|---|---|---|
| 2026-04-22 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2025-06-01 | 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 | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2023-07-01 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2018-11-16 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2018-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-04-18 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | 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.
Dena Mora Saltese West Rest: frequently asked questions
Who runs Dena Mora Saltese West Rest?
Dena Mora Saltese West Rest (PWSID MT0002693) is a transient non-community water system owned by a state government. It is regulated by the MT state drinking water program.
How many people does Dena Mora Saltese West Rest serve?
Dena Mora Saltese West Rest reports serving 2,000 people through 1 service connection in Mineral County, Montana.
Where does Dena Mora Saltese West Rest 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 Dena Mora Saltese West Rest 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 Dena Mora Saltese West Rest'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 Dena Mora Saltese West Rest's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dena Mora Saltese West Rest 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 Mineral County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Quartz Flat Rest Stop West | Mineral | 3,301 | Transient non-community | Groundwater |
| Quartz Flat Rest Stop East | Mineral | 3,301 | Transient non-community | Groundwater |
| Dena Mora Saltese East Rest | Mineral | 3,000 | Transient non-community | Groundwater |
| Superior Town of | Mineral | 1,100 | Community | Groundwater |
| Lincolns Silver Dollar Bar | Mineral | 520 | Transient non-community | Groundwater |
| Alberton Town of | Mineral | 495 | 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, “Dena Mora Saltese West Rest, PWSID MT0002693, Montana”, https://aquacensus.com/water-systems/montana/dena-mora-saltese-west-rest-mt0002693 (data as of October 1, 2026).