Public Water Partners

OBERON, ND · Benson County

OBERON CITY OF Water System

Consumer Confidence Report status

OBERON CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for OBERON CITY OF that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace North Dakota’s official records. Always confirm current status with North Dakota before making decisions based on this information.

System facts

System ID (PWSID)
ND0300762
System type
Community Water System
Population served
105
Service connections
42
Ownership
local government
Water source
groundwater (wells)

OBERON CITY OF is one of 357 community water systems in North Dakota in the 500 or fewer people size category, serving 105 people from groundwater.

As of August 1, 2026, its federal record holds 16 entries between 2010 and 2025, of which 1 remains open; none are health-based.

Of the 16, 13 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Consumer Confidence Rule.

Violation history

  • Monitoring, Source Water (GWR)

    E. COLI

    August 28, 2025

    Unaddressed
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2025 – September 30, 2025

    Archived
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – March 17, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2023 – October 31, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2023 – September 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2023 – March 31, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2022 – November 30, 2022

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 2, 2022 – August 9, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2022 – August 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2022 – April 30, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2020 – December 31, 2020

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 2, 2020 – March 25, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2011 – September 30, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2010 – March 31, 2010

    Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is OBERON CITY OF required to publish a Consumer Confidence Report?

Yes. OBERON CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is OBERON CITY OF’s next Consumer Confidence Report due?

OBERON CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does OBERON CITY OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for OBERON CITY OF that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

PLOIUM, TINA

701-351-5362

OBERON, ND 58357