Drinking Water Compliance OS

Toppenish, WA · Yakima County

TOPPENISH WATER DEPARTMENT 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)
WA5388850
System type
Community Water System
Population served
8,950
Service connections
2,636
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2025 – September 30, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2025 – September 30, 2025

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 2014 – December 31, 2014

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    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

TOPPENISH WATER DEPARTMENT

Phone not on record

Toppenish, WA 98948