Drinking Water Compliance OS

Seattle, WA · King County

KING COUNTY WATER DISTRICT #45 Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 22, 2019. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in King County, WA.

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)
WA5339700
System type
Community Water System
Population served
4,398
Service connections
1,450
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

KING COUNTY WATER DISTRICT #45

Phone not on record

Seattle, WA 98146