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Public water system record

Village of Oconto

Serves Oconto, Custer County, NE · 150 people served

Federal records show 7 health-based violations and 4 monitoring/reporting issues for Village of Oconto in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • NE3104107
  • OCONTO
  • NE
  • 150 served

System profile

Source water Groundwater
ZIP 68860
EPA system ID NE3104107

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
7
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Village of Oconto draws water from 2 wells.
  • Record on file since 1991, with 20 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 112 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
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No
Groundwater Rule
Treatment technique failure
 140 Oct 18, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
 Jul 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
 May 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
 Nov 1, 2017 Resolved
Groundwater Rule
OTHER
 Jul 21, 2016 Resolved

Full record since 1991

EPA's records for Village of Oconto go back to 1991. Before October 19, 2016 they list 20 health-based violations (16 resolved, 4 archived by EPA without a recorded fix) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 4 1
2000s 7 4
2010 to October 18, 2016 9 2
October 19, 2016 to 2019 0 2
2020s 0 1

Most recent health-based violation before October 19, 2016: Groundwater Rule, began October 2016, Resolved.

Show all 20 health-based violations before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Groundwater Rule
Treatment technique failure
 Oct 18, 2016 Resolved
Total Coliform
Contaminant limit exceeded
 Nov 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
 Jan 1, 2012 Resolved
Total Coliform
Contaminant limit exceeded
 Nov 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
 Dec 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
 Oct 1, 1993 Archived
Total Coliform
Contaminant limit exceeded
 Aug 1, 1993 Archived
Total Coliform
Contaminant limit exceeded
 Oct 1, 1991 Archived
Total Coliform
Contaminant limit exceeded
 Jun 1, 1991 Archived

What the violations mean

Groundwater Rule

7 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Village of Oconto draws water from 2 wells.

Annual water quality report

Village of Oconto 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Village of Oconto for a copy.

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.

Certified drinking water labs by state EPA guidance for private wells