Drinking Water Compliance OS

Riverside, WA · Okanogan County

RIVERSIDE TOWN OF Water System

Current status

2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
WA5372850
System type
Community Water System
Population served
429
Service connections
135
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2025 – February 28, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2025 – January 31, 2025

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2024 – November 30, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2024 – October 31, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2024 – August 31, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2024 – July 31, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2024 – January 31, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2023 – October 31, 2023

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Simazine

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Toxaphene

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Methoxychlor

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Arsenic

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Endrin

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 2023 – December 31, 2023

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

    Lead and Copper Rule

    January 1, 2023

    Unaddressed
  • Monitoring, Regular

    Chlordane

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Heptachlor

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    LASSO

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Arsenic

    April 1, 2022 – June 30, 2022

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

    Lead and Copper Rule

    January 1, 2022

    Unaddressed
  • Monitoring, Regular

    Nitrate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2021 – May 31, 2021

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2021 – June 30, 2021

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2020 – September 30, 2020

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2020 – June 30, 2020

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Arsenic

    January 1, 2020 – March 31, 2020

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Methoxychlor

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Toxaphene

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Simazine

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Atrazine

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    LASSO

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Chlordane

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Dalapon

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2019 – September 30, 2019

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2019 – June 30, 2019

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2018 – June 30, 2018

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

    Lead and Copper Rule

    January 1, 2018 – September 28, 2021

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2017 – September 30, 2017

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    November 1, 2015 – November 30, 2015

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2014 – December 31, 2016

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – October 14, 2010

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2009 – March 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2002 – December 31, 2004

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1998 – February 28, 1998

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yet

Enforcement actions

Contact

RIVERSIDE TOWN OF

Phone not on record

Riverside, WA 98849