Public Water Partners

Auburn, WA · King County

Auburn City of Water System

Consumer Confidence Report status

Auburn City of must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for Auburn City of.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
WA5303350
System type
Community Water System
Population served
107,655
Service connections
24,353
Ownership
local government
Water source
groundwater (wells)

Auburn City of is among the 19 largest community water systems in Washington, serving 107,655 people from groundwater.

As of August 1, 2026, its federal record holds 23 entries between 1979 and 2025, all of which EPA lists as closed.

Of the 23, 22 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, inorganic chemicals, and the Total Coliform Rules.

Violation history

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2025 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2005 – March 31, 2005

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2005 – March 31, 2005

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1995 – September 30, 1995

    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)Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is Auburn City of required to publish a Consumer Confidence Report?

Yes. Auburn City of is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is Auburn City of’s next Consumer Confidence Report due?

Auburn City of’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does Auburn City of have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for Auburn City of.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

Auburn City of

Phone not on record

Auburn, WA 98001