California / Reports /

Sanitary sewer overflow (SSO) reported — West Hollywood City, Sep 24, 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 908267, reported Sep 24, 2026, 11:05 PM 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: West Hollywood City (federal wastewater discharge permit, NPDES, 4SSO11368). Outlet: “1583-0100 ([house number removed] Santa Monica Blvd, West Hollywood, CA 90046)”. Location: 34.09096, -118.34924; 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: “Ballona Creek, and Santa Monica Bay”. Not linked to a mapped water. Name match too far (5.2 km) and the report's town (westhollywood) is not among the water's towns (Culver City, Los Angeles).

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

Sep 24, 2026, 8:25 PM PDT

Ended

Sep 24, 2026, 11:00 PM PDT

Detail provided by the source

Times known to the minute

Reported to the source

Sep 24, 2026, 11:05 PM PDT

Published

not given

Source last updated

Oct 7, 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

1,550 gallons (estimated)

Volume as reported

“1,550 gallons spilled (estimated total leaving the sewer system); 1,500 gallons reached surface water; 50 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

908267

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "region": "4",
  "wdid": "4SSO11368",
  "enrollee_status": "Active",
  "system_name": "West Hollywood CS",
  "agency_name": "West Hollywood City",
  "spill_event_id": "908267",
  "version": "1.3",
  "spill_status": "Certified",
  "draft_submitted_on": "28-SEP-26",
  "first_certified_on": "07-OCT-26",
  "final_certified_on": "07-OCT-26",
  "spill_type": "Category 1 Spill",
  "location_name": "1583-0100 ([house number removed] Santa Monica Blvd, West Hollywood, CA 90046)",
  "enrollee_notified_at": "09/24/2026 21:05",
  "crew_arrival_at": "09/24/2026 23:30",
  "start_at": "09/24/2026 20:25",
  "caloes_notified_at": "09/24/2026 23:05",
  "caloes_control_number": "26-4961",
  "technical_report_on": null,
  "lat": "34.09096",
  "lon": "-118.34924",
  "appearance_points": "Manhole",
  "volume_total_gal": "1550",
  "reached_drainage_system": "Y",
  "volume_recovered_from_drainage_gal": "50",
  "volume_left_in_drainage_gal": "1500",
  "volume_to_surface_water_gal": "1500",
  "volume_recovered_gal": "50",
  "destinations": "Drainage Conveyance System that discharges to surface water; Street/Curb and Gutter (2 3)",
  "destination_points_given": "Y",
  "end_at": "09/24/2026 23:00",
  "causes": "Debris-General; Fats, Oil and Grease (FOG)",
  "failure_location": "Gravity Mainline; Manhole",
  "storm_event": "N",
  "response_completed_at": "09/25/2026 02:45",
  "receiving_water": "Ballona Creek, and Santa Monica Bay",
  "receiving_water_type": "Ocean",
  "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,
  "destination_points": [
    {
      "lat": 34.091,
      "lon": -118.349
    },
    {
      "lat": 34.091,
      "lon": -118.349
    }
  ]
}