Public water system record

City of Vernonia

Serves Vernonia, Columbia County, OR · 2,100 people served

Federal records show 1 health-based violation and 80 monitoring/reporting issues for City of Vernonia in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • OR4100922
  • VERNONIA
  • OR
  • 2,100 served

System profile

Source water Surface water
ZIP 97064
EPA system ID OR4100922

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
80

Key facts

  • City of Vernonia draws water from 1 surface water intake.
  • Record on file since 1976, with 2 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,116 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
Surface Water Treatment Rule
Treatment technique failure
120 Feb 1, 2019 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
Aug 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
May 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2020 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2019 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2018 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2017 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2017 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2014 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2014 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2014 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2014 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2014 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2014 Resolved
LASSO
Monitoring and reporting
Jan 1, 2014 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2014 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2014 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2014 Resolved
Simazine
Monitoring and reporting
Jan 1, 2014 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2014 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2014 Resolved
Endothall
Monitoring and reporting
Jan 1, 2014 Resolved
Diquat
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2014 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2014 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2014 Resolved
Endrin
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1976

EPA's records for City of Vernonia go back to 1976. Before October 20, 2016 they list 2 health-based violations (2 resolved) and 180 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 10
1990s 1 5
2000s 1 84
2010 to October 19, 2016 0 81
October 20, 2016 to 2019 1 13
2020s 0 38

Most recent health-based violation before October 20, 2016: Lead and Copper Rule, began January 2002, Resolved.

Show all 2 health-based violations before October 20, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
Jan 2, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1995 Resolved

What the violations mean

Surface Water Treatment Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

City of Vernonia draws water from 1 surface water intake.

Annual water quality report

City of Vernonia 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 Oregon.