Washington / Reports /

Treatment plant bypass reported — Everson WWTP, Aug 18, 2026

Ended (as reported) · Washington State Department of Ecology (sewage spill list, RCW 90.48.636)

Source: Washington State Department of Ecology (sewage spill list, RCW 90.48.636) via Washington Ecology Sewage Spills list (RCW 90.48.636 public website), record 3bd45d1f-a274-4f6a-8685-5095df4ca049, the source gives no report time, retrieved 2026-11-06 06:01 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: Everson WWTP (federal wastewater discharge permit, NPDES, WA0020435). Outlet: “105 Park Dr, Everson”. Location: not given in the report or in the outlet records.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “Nooksack River”. DirtyWaterWatch links this report to Nooksack River, WA. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

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When it happened and when it was reported

Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).

Started

Aug 18, 2026, 3:00 AM EDT

Ended

Aug 17, 2026, 8:00 AM EDT (as published; not used as the end, see the current status above)

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

not given

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-06 06:01 UTC

What and how much

Type

Treatment bypass: wastewater skips one or more treatment steps.

Status in the record

Ended (as reported)

Material

“Partial Treatment - Disinfectio”

Volume

25,000 gallons (not stated whether estimated or measured)

Volume as reported

“25,000 Gallons”

Advice from Washington State Department of Ecology (sewage spill list, RCW 90.48.636)

This report includes no advice. Check current local health notices.

Advice period

This report does not state a period. See the rule DirtyWaterWatch applies and its source.

Basis

not stated

Status history from this report

• Caution Nooksack River: Discharge record with unclear status, Aug 18, 2026, 3:00 AM EDT to Sep 1, 2026, 3:00 AM EDT
• End not confirmed Nooksack River, Sep 1, 2026, 3:00 AM EDT to Sep 17, 2026, 3:00 AM EDT
• No current status shown Nooksack River: end not confirmed, no map colour, Sep 17, 2026, 3:00 AM EDT to Nov 16, 2026, 2:00 AM EST (the end is scheduled: a new report can change it)

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-06 06:13 UTC.

Source and versions

Source

Washington Ecology Sewage Spills list (RCW 90.48.636 public website)

Source record number

3bd45d1f-a274-4f6a-8685-5095df4ca049

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

Note

Some details could not be read automatically. Check the original notice.

{
  "row": {
    "objectid": 59,
    "globalid": "{3BD45D1F-A274-4F6A-8685-5095DF4CA049}",
    "ecology_region": "Northwest",
    "start_date_and_time": 1787036400000,
    "permitee": "Everson WWTP",
    "location": "105 Park Dr, Everson",
    "county": "Whatcom",
    "initial_estimated_amount": "15,000 Gallons",
    "level_of_treatment": "Partial Treatment - Disinfectio",
    "potentially_impacted_area": "Nooksack River",
    "end_event_timedate": 1786968000000,
    "final_event_duration_hours": "5 Hours",
    "final_total_event_volume": "25,000 Gallons",
    "link_to_5_day_report": "https://apps.ecology.wa.gov/paris/DownloadDocument.aspx?id=645599",
    "event_type": "Disinfection Failure_",
    "event_type_other": null,
    "erts_number": "749188",
    "was_the_spill_continuous": "Continuous"
  },
  "potentially_impacted_area": "Nooksack River",
  "reached_water": true,
  "report_url": "https://apps.ecology.wa.gov/paris/DownloadDocument.aspx?id=645599",
  "erts_number": "749188",
  "county": "Whatcom",
  "duration_text": "5 Hours",
  "continuous": "Continuous"
}