Public Water Partners

MOUNT VERNON, OR · Grant County

MOUNT VERNON, CITY OF Water System

Consumer Confidence Report status

MOUNT VERNON, 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 MOUNT VERNON, 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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID)
OR4100546
System type
Community Water System
Population served
510
Service connections
273
Ownership
local government
Water source
groundwater (wells)

MOUNT VERNON, CITY OF is one of 203 community water systems in Oregon in the 501 to 3,300 people size category, serving 510 people from groundwater.

As of August 1, 2026, its federal record holds 19 entries between 1976 and 2006, all of which EPA lists as closed. Nothing has been added since 2006.

Of the 19, 17 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, volatile organic chemicals, and inorganic chemicals.

Violation history

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    July 1, 2003 – July 31, 2003

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2002 – December 31, 2002

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2002 – December 31, 2004

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2001 – March 11, 2002

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2000 – March 11, 2002

    Resolved

  • Monitoring, Repeat Minor (TCR)

    —

    Coliform (TCR)

    May 1, 1997 – May 31, 1997

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    July 1, 1996 – July 31, 1996

    Resolved

  • Monitoring, Routine Minor (TCR)

    —

    Coliform (TCR)

    September 1, 1994 – September 30, 1994

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Archived

  • Monitoring, Repeat Minor (TCR)

    —

    Coliform (TCR)

    September 1, 1991 – September 30, 1991

    Resolved

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived

  • Monitoring, Regular

    —

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

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

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

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

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

As of August 1, 2026, EPA's federal records show no open violations for MOUNT VERNON, 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

MOUNT VERNON, CITY OF

541-932-4688

MOUNT VERNON, OR 97865