Drinking Water Compliance OS

Pasco, WA · Franklin County

Clark Addition Water System 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)
WA53AB809
System type
Community Water System
Population served
189
Service connections
71
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025 – September 19, 2025

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

    Lead and Copper Rule

    January 1, 2021 – July 2, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2017 – July 31, 2017

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 2010 – June 14, 2011

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2009 – December 31, 2009

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

Clark Addition Water System

Phone not on record

Pasco, WA 99301