Drinking Water Compliance OS

ANTELOPE, OR · Wasco County

ANTELOPE, CITY OF Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
OR4100042
System type
Community Water System
Population served
46
Service connections
48
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024 – April 21, 2025

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved
  • Failure to Conduct Assessment Monitoring

    COLIPHAGE

    January 1, 2023 – December 31, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2010 – December 31, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    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, Routine Major (TCR)

    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
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2006 – May 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2006 – April 30, 2006

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    March 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2005 – May 31, 2005

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 2005 – May 31, 2005

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    April 1, 2005 – April 30, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2005 – February 28, 2005

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2005 – April 8, 2005

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 19, 2004 – October 26, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – October 26, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2004 – February 29, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2004 – January 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2003 – December 31, 2003

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 19, 2003 – October 26, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2003 – October 26, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2002 – December 31, 2002

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2002 – November 30, 2002

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2002 – August 31, 2002

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2002 – July 31, 2002

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2002 – December 31, 2002

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2001 – March 20, 2002

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1999 – June 30, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1999 – May 31, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1999 – April 30, 1999

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 1999 – July 25, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1998 – September 30, 1998

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    August 1, 1998 – August 31, 1998

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1997 – December 31, 1997

    Resolved
  • Initial, Follow-up, or Routine Source Water M/R

    Lead and Copper Rule

    June 1, 1996 – December 25, 2010

    Resolved
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    February 1, 1996 – January 24, 2001

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    September 1, 1995 – February 29, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1994 – July 31, 1994

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1994 – November 16, 1994

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1993 – January 31, 1993

    Archived
  • Monitoring, Regular

    Fluoride

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Nitrate

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Selenium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Chromium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Mercury

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Arsenic

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Barium

    June 24, 1979 – June 23, 1980

    Archived
  • Monitoring, Regular

    Cadmium

    June 24, 1979 – June 23, 1980

    Archived
  • 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

Contact

ANTELOPE, CITY OF

541-489-3201

ANTELOPE, OR 97001