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Community Water System · PWS ND3400777

Pembina City Of

Pembina, North Dakota 58271 - drinking water served from groundwater sources to 592 people, tracked in EPA SDWIS and UCMR5.

592
People served
49
EPA violations
32
Health-based
Untested
UCMR5 result

The verdict

EPA records 49 drinking-water violations at Pembina City Of, 65% of them health-based - above the North Dakota per-system average.

49
Total EPA violations on record
65%
Health-based (MCL / treatment failure)
592
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pembina City Of

Pembina City Of is a local-owned community water system that delivers drinking water to 592 residents in Pembina, North Dakota (Pembina County) through 286 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 49 total violations for this system , of which 32 (65%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is TTHM, recorded in 16 violations (MCL, health-based). 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%).

Pembina City Of's 49 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
592
Total Violations
49
Health-Based Violations
32
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
286
County
Pembina
School/Daycare
No
MCL Violations
32
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 16 2005
Total Haloacetic Acids (HAA5) MCL 16 2005
Lead and Copper Rule MR 6 2019
Revised Total Coliform Rule MON 4 2022
Chlorine MR 4 2022

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 Pembina City Of.

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 ND3400777 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
2022 Revised Total Coliform Rule MON 4 SDWIS / ND3400777 / 8000
2022 Chlorine MR 4 SDWIS / ND3400777 / 0999
2019 Lead and Copper Rule MR 6 SDWIS / ND3400777 / 5000
2005 TTHM MCL 16 SDWIS / ND3400777 / 2950
2005 Total Haloacetic Acids (HAA5) MCL 16 SDWIS / ND3400777 / 2456

How Pembina City Of Compares

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

Metric Pembina City Of North Dakota avg Federal benchmark
Total violations 49 37 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 32 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 592 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 Pembina City Of water safe to drink?
Pembina City Of (PWS ID: ND3400777) has 49 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 592 people using Groundwater sources.
How many people does Pembina City Of serve?
Pembina City Of serves 592 people in Pembina, North Dakota. It is a Local-owned system using Groundwater water sources with 286 service connections.
What type of violations does Pembina City Of have?
Pembina City Of has 49 total violations: 32 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pembina City Of water?
No PFAS testing data is available for Pembina City Of under the EPA's UCMR5 monitoring program.
What water source does Pembina City Of use?
Pembina City Of uses Groundwater 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.
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.