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Community Water System · PWS MT0003590

Wegner Water Service Hauler

Hardin, Montana 59034 - drinking water served from surface water sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
657
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 657 drinking-water violations at Wegner Water Service Hauler - above the Montana per-system average.

657
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wegner Water Service Hauler

Wegner Water Service Hauler is a private-owned community water system that delivers drinking water to 50 residents in Hardin, Montana (Big Horn County) through 1 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 657 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 514 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 295 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Montana, EPA tracks 2,263 public water systems serving 1,112,267 people, with 297,270 cumulative violations and 25,922 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 131.4 violations. Statewide, 28 of 45 UCMR5-tested systems have reported PFAS detections (62.2%).

Wegner Water Service Hauler's 657 violations sit above the Montana average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
50
Total Violations
657
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
1
County
Big Horn
School/Daycare
No
MCL Violations
0
Monitoring Violations
514
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 295 2023
Coliform (TCR) MR 180 2016
Consumer Confidence Rule Other 136 2025
Lead and Copper Rule MR 39 2024
Revised Total Coliform Rule Other 7 2016

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Wegner Water Service Hauler.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MT0003590 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Montana Drinking Water Authority

Montana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MT regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 136 SDWIS / MT0003590 / 7000
2024 Lead and Copper Rule MR 39 SDWIS / MT0003590 / 5000
2023 Revised Total Coliform Rule MON 295 SDWIS / MT0003590 / 8000
2016 Coliform (TCR) MR 180 SDWIS / MT0003590 / 3100
2016 Revised Total Coliform Rule Other 7 SDWIS / MT0003590 / 8000

How Wegner Water Service Hauler Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Wegner Water Service Hauler Montana avg Federal benchmark
Total violations 657 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 62.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 50 492 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,263 regulated public water systems in Montana.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Wegner Water Service Hauler water safe to drink? ▼
Wegner Water Service Hauler (PWS ID: MT0003590) has 657 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Surface Water sources.
How many people does Wegner Water Service Hauler serve? ▼
Wegner Water Service Hauler serves 50 people in Hardin, Montana. It is a Private-owned system using Surface Water water sources with 1 service connections.
What type of violations does Wegner Water Service Hauler have? ▼
Wegner Water Service Hauler has 657 total violations: 0 health-based violations (MCL exceedances or treatment failures), 514 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wegner Water Service Hauler water? ▼
No PFAS testing data is available for Wegner Water Service Hauler under the EPA's UCMR5 monitoring program.
What water source does Wegner Water Service Hauler use? ▼
Wegner Water Service Hauler uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.