Public Water Partners

Winthrop, WA · Okanogan County

WINTHROP TOWN OF Water System

Consumer Confidence Report status

WINTHROP TOWN 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 WINTHROP TOWN 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)
WA5397750
System type
Community Water System
Population served
1,350
Service connections
484
Ownership
local government
Water source
groundwater (wells)

WINTHROP TOWN OF is one of 428 community water systems in Washington in the 501 to 3,300 people size category, serving 1,350 people from groundwater.

As of August 1, 2026, its federal record holds 16 entries between 1979 and 2024, all of which EPA lists as closed.

Of the 16, 11 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 the Total Coliform Rules, the Consumer Confidence Rule, and inorganic chemicals.

Violation history

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    December 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    August 1, 2024 – August 31, 2024

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2024 – February 19, 2025

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    June 1, 2024 – June 30, 2024

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2022 – September 30, 2025

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    January 1, 2018 – January 31, 2018

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2016 – November 1, 2016

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2011 – November 7, 2011

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2009 – December 31, 2009

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2009 – December 31, 2009

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2003 – November 30, 2003

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    July 1, 2003 – July 31, 2003

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2000 – September 30, 2000

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

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

Enforcement actions

Common questions

Is WINTHROP TOWN OF required to publish a Consumer Confidence Report?

Yes. WINTHROP TOWN 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 WINTHROP TOWN OF’s next Consumer Confidence Report due?

WINTHROP TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WINTHROP TOWN OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for WINTHROP TOWN 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

WINTHROP TOWN OF

Phone not on record

Winthrop, WA 98862