Drinking Water Compliance OS

West Richland, WA · Benton County

PATERSON HEIGHTS WATER ASSN 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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5366479
System type
Community Water System
Population served
85
Service connections
30
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Fluoride

    January 1, 2022 – December 31, 2022

    Archived
  • Monitoring, Regular

    Fluoride

    January 1, 2020 – December 31, 2020

    Archived
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018 – October 11, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – September 14, 2015

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2015 – December 31, 2015

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2014 – December 31, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2013 – October 14, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – August 27, 2012

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2011 – March 31, 2011

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – November 22, 2010

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Chlordane

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Diquat

    October 1, 2007 – December 31, 2007

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2005 – July 31, 2005

    Archived
  • Monitoring, Regular

    Nickel

    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

    Selenium

    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, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2000 – February 29, 2000

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1992 – March 31, 1992

    Archived
  • Monitoring, Regular

    Cadmium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Chromium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Mercury

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Nitrate

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Selenium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Barium

    October 1, 1979 – October 31, 1979

    Archived

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

Enforcement actions

Contact

PATERSON HEIGHTS WATER ASSN

Phone not on record

West Richland, WA 99353