PlainWater
States → North Dakota

Community Water System · PWS ND5300948

Trenton Water Users Assoc

Trenton, North Dakota 58853 - drinking water served from surface water sources to 840 people, tracked in EPA SDWIS and UCMR5.

840
People served
59
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 59 drinking-water violations at Trenton Water Users Assoc, 12% of them health-based - above the North Dakota per-system average.

59
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
840
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Trenton Water Users Assoc

Trenton Water Users Assoc is a private-owned community water system that delivers drinking water to 840 residents in Trenton, North Dakota (Williams County) through 300 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 59 total violations for this system , of which 7 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chloramine, recorded in 18 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across North Dakota, EPA tracks 368 public water systems serving 712,349 people, with 13,624 cumulative violations and 2,673 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 37 violations. Statewide, 34 of 38 UCMR5-tested systems have reported PFAS detections (89.5%).

Trenton Water Users Assoc's 59 violations sit above the North Dakota 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
840
Total Violations
59
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
300
County
Williams
School/Daycare
No
MCL Violations
7
Monitoring Violations
37
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chloramine MR 18 2024
Revised Total Coliform Rule MON 11 2024
Coliform (TCR) MR 7 2004
Fluoride MCL 7 1990
Coliform (TCR) Other 1 1998
Lead and Copper Rule MR 1 2012

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 Trenton Water Users Assoc.

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 ND5300948 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

North Dakota Drinking Water Authority

North Dakota'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 ND 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
2024 Chloramine MR 18 SDWIS / ND5300948 / 1006
2024 Revised Total Coliform Rule MON 11 SDWIS / ND5300948 / 8000
2012 Lead and Copper Rule MR 1 SDWIS / ND5300948 / 5000
2004 Coliform (TCR) MR 7 SDWIS / ND5300948 / 3100
1998 Coliform (TCR) Other 1 SDWIS / ND5300948 / 3100
1990 Fluoride MCL 7 SDWIS / ND5300948 / 1025

How Trenton Water Users Assoc Compares

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

Metric Trenton Water Users Assoc North Dakota avg Federal benchmark
Total violations 59 37 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 7.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 89.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 840 1,936 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 368 regulated public water systems in North Dakota.

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 Trenton Water Users Assoc water safe to drink? ▼
Trenton Water Users Assoc (PWS ID: ND5300948) has 59 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 840 people using Surface Water sources.
How many people does Trenton Water Users Assoc serve? ▼
Trenton Water Users Assoc serves 840 people in Trenton, North Dakota. It is a Private-owned system using Surface Water water sources with 300 service connections.
What type of violations does Trenton Water Users Assoc have? ▼
Trenton Water Users Assoc has 59 total violations: 7 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Trenton Water Users Assoc water? ▼
No PFAS testing data is available for Trenton Water Users Assoc under the EPA's UCMR5 monitoring program.
What water source does Trenton Water Users Assoc use? ▼
Trenton Water Users Assoc 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.