Washington / Reports /

Sanitary sewer overflow (SSO) reported — Okanogan POTW, Sep 15, 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 432b07c0-5fec-4eba-8cd0-ddd6c21632fd, the source gives no report time, retrieved 2026-11-06 06:01 UTC · Read the original notice

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Okanogan POTW (federal wastewater discharge permit, NPDES, WA0022365). Outlet: “6th Ave and Maple”. 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 no water. DirtyWaterWatch links this report to Okanogan River, WA. Match basis: the operator's listed receiving water; the report itself does not name the water.

3. Estimated downstream stretch

No downstream estimate is available for this report.

Open on the main map

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

Sep 15, 2026, 4:00 PM EDT

Ended

Sep 15, 2026, 4:30 PM EDT

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

Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.

Status in the record

Ended (as reported)

Material

“None (Raw Sewage)”

Volume

200 gallons (not stated whether estimated or measured)

Volume as reported

“200 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

• Discharge or advisory reported Okanogan River: Discharge reported ongoing, Sep 15, 2026, 4:00 PM EDT to Sep 15, 2026, 4:30 PM EDT
• Caution Okanogan River: Within the caution period after the reported end, Sep 15, 2026, 4:30 PM EDT to Sep 18, 2026, 4:30 PM EDT

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

432b07c0-5fec-4eba-8cd0-ddd6c21632fd

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "objectid": 72,
    "globalid": "{432B07C0-5FEC-4EBA-8CD0-DDD6C21632FD}",
    "ecology_region": "Central",
    "start_date_and_time": 1789502400000,
    "permitee": "Okanogan POTW",
    "location": "6th Ave and Maple",
    "county": "Okanogan",
    "initial_estimated_amount": "200 gallons",
    "level_of_treatment": "None (Raw Sewage)",
    "potentially_impacted_area": "Sewage ran from a manhole, down a curbline into a storm catch basin",
    "end_event_timedate": 1789504200000,
    "final_event_duration_hours": "0.5 hours",
    "final_total_event_volume": "200 gallons",
    "link_to_5_day_report": "https://apps.ecology.wa.gov/paris/DownloadDocument.aspx?id=648952",
    "event_type": "Sanitary Sewer Overflow_",
    "event_type_other": null,
    "erts_number": "750079",
    "was_the_spill_continuous": "Unknown/not reported"
  },
  "potentially_impacted_area": "Sewage ran from a manhole, down a curbline into a storm catch basin",
  "reached_water": null,
  "report_url": "https://apps.ecology.wa.gov/paris/DownloadDocument.aspx?id=648952",
  "erts_number": "750079",
  "county": "Okanogan",
  "duration_text": "0.5 hours",
  "continuous": "Unknown/not reported"
}