Public Water Partners

O'NEILL, NE · Holt County

ONEILL, CITY OF Water System

Consumer Confidence Report status

ONEILL, 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 no open violations for ONEILL, CITY OF.

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 Nebraska’s official records. Always confirm current status with Nebraska before making decisions based on this information.

System facts

System ID (PWSID)
NE3108904
System type
Community Water System
Population served
3,705
Service connections
1,716
Ownership
local government
Water source
groundwater (wells)

ONEILL, CITY OF is one of 31 community water systems in Nebraska in the 3,301 to 10,000 people size category, serving 3,705 people from groundwater.

As of August 1, 2026, its federal record holds 8 entries between 2011 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.

None of the 8 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.

Violation history

  • Maximum Contaminant Level Violation, E. coli (RTCR)

    Health-based

    Revised Total Coliform Rule

    May 1, 2018 – May 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, E. coli (RTCR)

    Health-based

    Revised Total Coliform Rule

    September 1, 2016 – September 30, 2016

    Resolved
  • Maximum Contaminant Level Violation, E. coli (RTCR)

    Health-based

    Revised Total Coliform Rule

    July 1, 2016 – July 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2016 – January 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2015 – November 30, 2015

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2015 – August 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2011 – December 31, 2011

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is ONEILL, CITY OF required to publish a Consumer Confidence Report?

Yes. ONEILL, 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 ONEILL, CITY OF’s next Consumer Confidence Report due?

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

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

As of August 1, 2026, EPA's federal records show no open violations for ONEILL, CITY OF.

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

SIDAK, SARAH

402-336-3640

O'NEILL, NE 68763