Public Water Partners

CORVALLIS, OR · Benton County

RIDGEWOOD DIST IMPROV CO Water System

Consumer Confidence Report status

RIDGEWOOD DIST IMPROV CO 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 RIDGEWOOD DIST IMPROV CO.

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)
OR4100229
System type
Community Water System
Population served
90
Service connections
40
Ownership
local government
Water source
groundwater (wells)

RIDGEWOOD DIST IMPROV CO is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 90 people from groundwater.

As of August 1, 2026, its federal record holds 16 entries between 1976 and 2025, all of which EPA lists as closed.

Of the 16, 10 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, inorganic chemicals, and the Radionuclides and Revised Rad Rule.

Violation history

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

    Health-based

    Revised Total Coliform Rule

    March 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    January 1, 2007 – January 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2006 – October 31, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1999 – November 30, 1999

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 1999 – June 30, 1999

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    April 1, 1997 – April 30, 1997

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 1993 – January 31, 1993

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    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 RIDGEWOOD DIST IMPROV CO required to publish a Consumer Confidence Report?

Yes. RIDGEWOOD DIST IMPROV CO 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 RIDGEWOOD DIST IMPROV CO’s next Consumer Confidence Report due?

RIDGEWOOD DIST IMPROV CO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does RIDGEWOOD DIST IMPROV CO have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for RIDGEWOOD DIST IMPROV CO.

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

RIDGEWOOD DIST IMPROV CO

541-602-5552

CORVALLIS, OR 97330