Public water system · MT0004834
ActiveNcmrwa Pondera Co Service Area
At a glance
Ncmrwa Pondera Co Service Area (PWSID MT0004834) is an active community water system in Pondera County, Montana. It reports serving 144 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
144
Service connections
1
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Ncmrwa Pondera Co Service Area compare with other water systems in Pondera County?
By EPA's size categories, Ncmrwa Pondera Co Service Area is a very small system (500 people or fewer). Pondera County has 12 active public water systems, and Ncmrwa Pondera Co Service Area is the 4th-largest of them by population served. Its population served is about 63% below the county average of 389 people per system, and accounts for 3.1% of the 4,664 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Ncmrwa Pondera Co Service Area is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Montana has 853 active community water systems, 36% of the state's 2,378 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 212 Montana systems (8.9%) list purchased surface water as their primary source.
Who owns and regulates Ncmrwa Pondera Co Service Area?
EPA lists Ncmrwa Pondera Co Service Area as owned by a local 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. 5 of the 12 active systems in Pondera County (42%) are also owned by a local government.
Does Ncmrwa Pondera Co Service Area have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between January 2025 and January 2025. By type: 2 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). EPA lists 2 as archived. 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
All 2 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.
Ncmrwa Pondera Co Service Area: frequently asked questions
Who runs Ncmrwa Pondera Co Service Area?
Ncmrwa Pondera Co Service Area (PWSID MT0004834) is a community water system owned by a local government. It is regulated by the MT state drinking water program.
How many people does Ncmrwa Pondera Co Service Area serve?
Ncmrwa Pondera Co Service Area reports serving 144 people through 1 service connection in Pondera County, Montana.
Where does Ncmrwa Pondera Co Service Area get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Ncmrwa Pondera Co Service Area have any drinking water violations?
EPA's records list 2 violations for this system; none is 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 Ncmrwa Pondera Co Service Area'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. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Ncmrwa Pondera Co Service Area's water quality report?
As a community water system, Ncmrwa Pondera Co Service Area must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Pondera County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Conrad Water Dept | Pondera | 2,500 | Community | Surface water |
| Tiber County Water District | Pondera | 750 | Community | Surface water |
| Valier Town of | Pondera | 452 | Community | Groundwater |
| Brady County Water Sewer District | Pondera | 144 | Community | Purchased surface water |
| New Miami Colony | Pondera | 130 | Community | Groundwater |
| Birch Creek Colony | Pondera | 120 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Ncmrwa Pondera Co Service Area, PWSID MT0004834, Montana”, https://aquacensus.com/water-systems/montana/ncmrwa-pondera-co-service-area-mt0004834 (data as of October 1, 2026).