Public water system · MT0001943
ActiveDena Mora Saltese East Rest
At a glance
Dena Mora Saltese East Rest (PWSID MT0001943) is an active transient non-community water system in Mineral County, Montana. It reports serving 3,000 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, 2 are health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,000
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dena Mora Saltese East Rest compare with other water systems in Mineral County?
By EPA's size categories, Dena Mora Saltese East Rest is a small system (501 to 3,300 people). Mineral County has 37 active public water systems, and Dena Mora Saltese East Rest is the 3rd-largest of them by population served. Its population served is about 6.6 times the county average of 454 people per system, and accounts for 18% 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 East Rest is about 21 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 East Rest?
EPA lists Dena Mora Saltese East 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 East Rest have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2025. The violations listed here began between April 2002 and January 2025. By type: 9 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | 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 |
| 2018-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2011-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-04-01 | 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.
Dena Mora Saltese East Rest: frequently asked questions
Who runs Dena Mora Saltese East Rest?
Dena Mora Saltese East Rest (PWSID MT0001943) 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 East Rest serve?
Dena Mora Saltese East Rest reports serving 3,000 people through 1 service connection in Mineral County, Montana.
Where does Dena Mora Saltese East 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 East Rest have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 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 Dena Mora Saltese East 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, 2 are health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Dena Mora Saltese East Rest's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dena Mora Saltese East 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 West Rest | Mineral | 2,000 | 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 East Rest, PWSID MT0001943, Montana”, https://aquacensus.com/water-systems/montana/dena-mora-saltese-east-rest-mt0001943 (data as of October 1, 2026).