Public Water Partners

REDMOND, OR · Deschutes County

RIMROCK WEST IMPRVMNT DIST Water System

Consumer Confidence Report status

RIMROCK WEST IMPRVMNT DIST 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 RIMROCK WEST IMPRVMNT DIST.

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)
OR4101334
System type
Community Water System
Population served
150
Service connections
54
Ownership
local government
Water source
groundwater (wells)

RIMROCK WEST IMPRVMNT DIST is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 150 people from groundwater.

As of August 1, 2026, its federal record holds 89 entries between 1992 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.

Of the 89, 88 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 synthetic organic chemicals, inorganic chemicals, and volatile organic chemicals.

Violation history

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    July 1, 2020 – September 4, 2020

    Resolved

  • Monitoring, Source Water (GWR)

    —

    E. COLI

    August 26, 2018 – August 29, 2018

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    October 1, 2005 – October 31, 2005

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    September 1, 2005 – September 30, 2005

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2005 – December 25, 2010

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2004 – December 25, 2010

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    October 19, 2003 – November 24, 2004

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 2003 – August 31, 2003

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2003 – December 25, 2010

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    October 1, 2002 – December 31, 2002

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    July 1, 2002 – July 31, 2002

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    June 1, 2002 – June 30, 2002

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    April 1, 2002 – June 30, 2002

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    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

  • Monitoring, Regular

    —

    Barium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nitrite

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 2001 – February 28, 2001

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    January 1, 2001 – January 31, 2001

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1998

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1996 – December 31, 1998

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    October 1, 1995 – December 25, 2010

    Resolved

  • Monitoring, Routine Minor (TCR)

    —

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Resolved

  • Monitoring, Repeat Minor (TCR)

    —

    Coliform (TCR)

    August 1, 1992 – August 31, 1992

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1992 – February 29, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is RIMROCK WEST IMPRVMNT DIST required to publish a Consumer Confidence Report?

Yes. RIMROCK WEST IMPRVMNT DIST 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 RIMROCK WEST IMPRVMNT DIST’s next Consumer Confidence Report due?

RIMROCK WEST IMPRVMNT DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does RIMROCK WEST IMPRVMNT DIST have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for RIMROCK WEST IMPRVMNT DIST.

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

RIMROCK WEST IMPRVMNT DIST

503-318-7699

REDMOND, OR 97756