Public water system · MT0000400
ActiveTiber County Water District
At a glance
Tiber County Water District (PWSID MT0000400) is an active community water system in Pondera County, Montana. It reports serving 750 people through 300 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
750
Service connections
300
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Tiber County Water District compare with other water systems in Pondera County?
By EPA's size categories, Tiber County Water District is a small system (501 to 3,300 people). Pondera County has 12 active public water systems, and Tiber County Water District is the 2nd-largest of them by population served. Its population served is about twice the county average of 389 people per system, and accounts for 16% 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 Tiber County Water District 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 60 Montana systems (2.5%) list surface water as their primary source.
Who owns and regulates Tiber County Water District?
EPA lists Tiber County Water District 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 Tiber County Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. The violations listed here began between January 2024 and January 2024. By type: 12 monitoring and reporting. The contaminants or rules involved are Styrene, Toluene, o-Dichlorobenzene and 1,1,2-Trichloroethane. 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | 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.
Tiber County Water District: frequently asked questions
Who runs Tiber County Water District?
Tiber County Water District (PWSID MT0000400) is a community water system owned by a local government. It is regulated by the MT state drinking water program.
How many people does Tiber County Water District serve?
Tiber County Water District reports serving 750 people through 300 service connections in Pondera County, Montana.
Where does Tiber County Water District get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Tiber County Water District 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 January 2024. 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 Tiber County Water District'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 January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Tiber County Water District's water quality report?
As a community water system, Tiber County Water District 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 |
| Valier Town of | Pondera | 452 | Community | Groundwater |
| Brady County Water Sewer District | Pondera | 144 | Community | Purchased surface water |
| Ncmrwa Pondera Co Service Area | Pondera | 144 | Community | Purchased surface water |
| New Miami Colony | Pondera | 130 | Community | Groundwater |
| Birch Creek Colony | Pondera | 120 | 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, “Tiber County Water District, PWSID MT0000400, Montana”, https://aquacensus.com/water-systems/montana/tiber-county-water-district-mt0000400 (data as of October 1, 2026).