California / Reports /

Sanitary sewer overflow (SSO) reported — Oakland City DPW, Oct 5, 2026

Ended (as reported) · California State Water Resources Control Board (CIWQS Sanitary Sewer System Database)

Source: California State Water Resources Control Board (CIWQS Sanitary Sewer System Database) via State Water Board CIWQS Sanitary Sewer System spill data: Cat1-2-3-Spills.txt (nightly flat file), record 908509, reported Oct 7, 2026, 12:00 AM PDT, retrieved 2026-11-05 15:08 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: Oakland City DPW (federal wastewater discharge permit, NPDES, 2SSO11204). Outlet: “[house number removed] International Blvd.”. Location: 37.76660, -122.20259; location source: given in the source record.

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

2. Waters named in the notice

The notice names: “54th Avenue, and Peralta Courtland, Seminary Creek”. Not linked to a mapped water.

3. Estimated downstream stretch

We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.

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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

Oct 5, 2026, 7:55 AM PDT

Ended

Oct 5, 2026, 3:00 PM PDT

Detail provided by the source

Times known to the minute

Reported to the source

Oct 7, 2026, 12:00 AM PDT

Published

not given

Source last updated

Oct 16, 2026, 12:00 AM PDT

Last retrieved by DirtyWaterWatch

2026-11-05 15:08 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

“untreated sewage”

Volume

243 gallons (estimated)

Volume as reported

“243 gallons spilled (estimated total leaving the sewer system); 243 gallons reached surface water; 117 gallons recovered”

Advice from California State Water Resources Control Board (CIWQS Sanitary Sewer System Database)

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

Source and versions

Source

State Water Board CIWQS Sanitary Sewer System spill data: Cat1-2-3-Spills.txt (nightly flat file)

Source record number

908509

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "region": "2",
  "wdid": "2SSO11204",
  "enrollee_status": "Active",
  "system_name": "Oakland City CS",
  "agency_name": "Oakland City DPW",
  "spill_event_id": "908509",
  "version": "1.2",
  "spill_status": "Certified",
  "draft_submitted_on": "07-OCT-26",
  "first_certified_on": "16-OCT-26",
  "final_certified_on": "16-OCT-26",
  "spill_type": "Category 1 Spill",
  "location_name": "[house number removed] International Blvd.",
  "enrollee_notified_at": "10/05/2026 08:55",
  "crew_arrival_at": "10/05/2026 09:22",
  "start_at": "10/05/2026 07:55",
  "caloes_notified_at": null,
  "caloes_control_number": null,
  "technical_report_on": null,
  "lat": "37.7666",
  "lon": "-122.20259",
  "appearance_points": "Manhole",
  "volume_total_gal": "243",
  "reached_drainage_system": "Y",
  "volume_recovered_from_drainage_gal": "0",
  "volume_left_in_drainage_gal": "117",
  "volume_to_surface_water_gal": "243",
  "volume_recovered_gal": "117",
  "destinations": "Drainage Conveyance System that discharges to surface water; Paved Surface; Street/Curb and Gutter (2 3)",
  "destination_points_given": "N",
  "end_at": "10/05/2026 15:00",
  "causes": "Debris-wipes/Non-disposables; Fats, Oil and Grease (FOG)",
  "failure_location": "Gravity Mainline",
  "storm_event": "N",
  "response_completed_at": "10/05/2026 15:00",
  "receiving_water": "54th Avenue, and Peralta Courtland, Seminary Creek",
  "receiving_water_type": "Other (specify below); Stream/Creek",
  "public_access_impact": "Other (specify below)",
  "closing_entity": "N/A",
  "days_closed_or_restricted": "0",
  "within_1000_ft_of_intake": "N",
  "samples_collected": "N",
  "spill_category": "1",
  "reached_water": true
}