Drinking Water Compliance OS

SEDRO WOOLLEY, 10

UPPER SKAGIT 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 EPA Region 10’s official records. Always confirm current status with EPA Region 10 before making decisions based on this information.

System facts

System ID (PWSID)
105300048
System type
Community Water System
Population served
365
Service connections
98
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – July 19, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – December 31, 2006

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

    Lead and Copper Rule

    January 1, 2005 – September 20, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    Archived
  • Sanitary Survey (TCR)

    No contaminant on record

    April 1, 2001 – March 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1992 – December 31, 1992

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

MALONEY, DOREEN

360-854-7090

SEDRO WOOLLEY, WA 98284