Public water system record

City of Oneill

Serves O'Neill, Holt County, NE · 3,705 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for City of Oneill in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • NE3108904
  • O'NEILL
  • NE
  • 3,705 served

System profile

Source water Groundwater
ZIP 68763
EPA system ID NE3108904

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
0

Key facts

  • City of Oneill draws water from 4 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Nebraska, September 2016.
  • Record on file since 1993, with 15 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,700 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Contaminant limit exceeded
110 May 1, 2018 Resolved Yes

Full record since 1993

EPA's records for City of Oneill go back to 1993. Before October 19, 2016 they list 15 health-based violations (14 resolved, 1 archived by EPA without a recorded fix) and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
1990s 2 1
2000s 3 0
2010 to October 18, 2016 10 0
October 19, 2016 to 2019 1 0

Most recent health-based violation before October 19, 2016: Revised Total Coliform Rule (acute), began September 2016, Resolved.

Show all 15 health-based violations before October 19, 2016
Contaminant Start date Status
Revised Total Coliform Rule (acute)
Contaminant limit exceeded
Sep 1, 2016 Resolved
Revised Total Coliform Rule (acute)
Contaminant limit exceeded
Jul 1, 2016 Resolved
Total Coliform
Contaminant limit exceeded
Jan 1, 2016 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 1993 Archived

Enforcement actions

Nebraska regulators took 1 formal enforcement action against City of Oneill in 2016. The most recent was a compliance order (no penalty) in September 2016.

Date By Action Violations covered
Sep 30, 2016 Nebraska Compliance order (no penalty) 2 violations (2 health-based): Revised Total Coliform Rule

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

City of Oneill draws water from 4 wells.

Annual water quality report

City of Oneill must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Nebraska.