Drinking Water Compliance OS

UNION, WA · Mason County

ALDERBROOK WATER CO 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)
WA5301050
System type
Community Water System
Population served
2,154
Service connections
547
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2000 – July 31, 2000

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1997 – August 31, 1997

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Archived
  • 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)

Enforcement actions

Contact

ALDERBROOK WATER CO

Phone not on record

UNION, WA 98592-9649