Skip to content
AquaCensus

Public water system · MT0000351

Active

Valier Town of

At a glance

Town of Valier (PWSID MT0000351) is an active community water system in Pondera County, Montana. It reports serving 452 people through 359 service connections. Its primary water source is groundwater, 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 October 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

452

Service connections

359

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0000351
System typeCommunity water system
Activity statusActive
Population served452
Service connections359
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMT state drinking water program
City servedValier
StateMontana
ZIP—
CountyPondera County

How does Town of Valier compare with other water systems in Pondera County?

By EPA's size categories, Town of Valier is a very small system (500 people or fewer). Pondera County has 12 active public water systems, and Town of Valier is the 3rd-largest of them by population served. Its population served is about 16% above the county average of 389 people per system, and accounts for 9.7% 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 Town of Valier 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. 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 Town of Valier?

EPA lists Town of Valier 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 Town of Valier have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2023. The violations listed here began between April 2012 and October 2023. By type: 8 monitoring and reporting and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-10-11Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2023-07-18Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2015-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2012-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2012-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2012-07-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2012-04-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved
2012-04-01Monitoring and reportingMonitoring, Regular · code 03Alachlor (Lasso)code 2051NoResolved
2012-04-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoResolved

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.

Town of Valier: frequently asked questions

Who runs Town of Valier?

Town of Valier (PWSID MT0000351) is a community water system owned by a local government. It is regulated by the MT state drinking water program.

How many people does Town of Valier serve?

Town of Valier reports serving 452 people through 359 service connections in Pondera County, Montana.

Where does Town of Valier 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 Town of Valier 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 October 2023. 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 Town of Valier'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 October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Town of Valier's water quality report?

As a community water system, Town of Valier 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 systemCountyPopulation servedTypeSource
Conrad Water DeptPondera2,500CommunitySurface water
Tiber County Water DistrictPondera750CommunitySurface water
Brady County Water Sewer DistrictPondera144CommunityPurchased surface water
Ncmrwa Pondera Co Service AreaPondera144CommunityPurchased surface water
New Miami ColonyPondera130CommunityGroundwater
Birch Creek ColonyPondera120CommunityGroundwater

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, “Valier Town of, PWSID MT0000351, Montana”, https://aquacensus.com/water-systems/montana/valier-town-of-mt0000351 (data as of October 1, 2026).