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Public water system · MT0003590

Active

Wegner Water Service Hauler

At a glance

Wegner Water Service Hauler (PWSID MT0003590) is an active community water system in Big Horn County, Montana. It reports serving 50 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025.

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

Population served

50

Service connections

1

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMT0003590
System typeCommunity water system
Activity statusActive
Population served50
Service connections1
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyMT state drinking water program
City servedHardin
StateMontana
ZIP—
CountyBig Horn County

How does Wegner Water Service Hauler compare with other water systems in Big Horn County?

By EPA's size categories, Wegner Water Service Hauler is a very small system (500 people or fewer). Big Horn County has 23 active public water systems. Its population served is well below the county average of 449 people per system, and accounts for 0.5% of the 10,335 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 Wegner Water Service Hauler 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 Wegner Water Service Hauler?

EPA lists Wegner Water Service Hauler as privately owned. 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. 11 of the 23 active systems in Big Horn County (48%) are also privately owned.

Does Wegner Water Service Hauler 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 2025. The violations listed here began between October 2021 and October 2025. By type: 7 public notice, recordkeeping or other, 3 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (7 of them). EPA lists 7 as unaddressed and 5 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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
2025-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2024-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2023-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2023-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2023-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved

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.

Wegner Water Service Hauler: frequently asked questions

Who runs Wegner Water Service Hauler?

Wegner Water Service Hauler (PWSID MT0003590) is a community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Wegner Water Service Hauler serve?

Wegner Water Service Hauler reports serving 50 people through 1 service connection in Big Horn County, Montana.

Where does Wegner Water Service Hauler 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 Wegner Water Service Hauler 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 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 Wegner Water Service Hauler'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 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 Wegner Water Service Hauler's water quality report?

As a community water system, Wegner Water Service Hauler 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 Big Horn County

Water systemCountyPopulation servedTypeSource
Hardin City ofBig Horn3,500CommunitySurface water
Little Bighorn Battlefield NmBig Horn2,020Non-transient non-communityGroundwater
Hardin Eastbound Rest AreaBig Horn877Transient non-communityGroundwater
Hardin Westbound Rest AreaBig Horn715Transient non-communityGroundwater
Lodge Grass Town ofBig Horn480CommunityGroundwater
Fort Smith Water and Sewer DistrictBig Horn450CommunityGroundwater

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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, “Wegner Water Service Hauler, PWSID MT0003590, Montana”, https://aquacensus.com/water-systems/montana/wegner-water-service-hauler-mt0003590 (data as of October 1, 2026).