California / Reports /

Sanitary sewer overflow (SSO) reported — Apple Valley Town, Sep 6, 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 908168, reported Sep 6, 2026, 4:25 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: Apple Valley Town (federal wastewater discharge permit, NPDES, 6SSO11489). Outlet: “Sewer Lift Station AD3-1”. Location: 34.50503, -117.25776; 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: “Mojave River (dry riverbed)”. DirtyWaterWatch links this report to Mojave River, CA. 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

Sep 6, 2026, 1:20 PM PDT

Ended

Sep 6, 2026, 3:15 PM PDT

Detail provided by the source

Times known to the minute

Reported to the source

Sep 6, 2026, 4:25 PM PDT

Published

not given

Source last updated

Sep 23, 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

34,000 gallons (estimated)

Volume as reported

“34,000 gallons spilled (estimated total leaving the sewer system); 5,000 gallons reached surface water; 1,400 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

Status history from this report

• Discharge or advisory reported Mojave River: Discharge reported ongoing, Sep 6, 2026, 1:20 PM PDT to Sep 6, 2026, 3:15 PM PDT
• Caution Mojave River: Within the caution period after the reported end, Sep 6, 2026, 3:15 PM PDT to Sep 9, 2026, 3:15 PM PDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-06 09:03 UTC.

Source and versions

Source

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

Source record number

908168

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "region": "6B",
  "wdid": "6SSO11489",
  "enrollee_status": "Active",
  "system_name": "Town of Apple Valley Wastewater Dept. CS",
  "agency_name": "Apple Valley Town",
  "spill_event_id": "908168",
  "version": "1.3",
  "spill_status": "Certified",
  "draft_submitted_on": "18-SEP-26",
  "first_certified_on": "23-SEP-26",
  "final_certified_on": "23-SEP-26",
  "spill_type": "Category 1 Spill",
  "location_name": "Sewer Lift Station AD3-1",
  "enrollee_notified_at": "09/06/2026 13:50",
  "crew_arrival_at": "09/06/2026 13:50",
  "start_at": "09/06/2026 13:20",
  "caloes_notified_at": "09/06/2026 16:25",
  "caloes_control_number": "32-64567",
  "technical_report_on": null,
  "lat": "34.50503",
  "lon": "-117.257755",
  "appearance_points": "Manhole",
  "volume_total_gal": "34000",
  "reached_drainage_system": "N",
  "volume_recovered_from_drainage_gal": null,
  "volume_left_in_drainage_gal": null,
  "volume_to_surface_water_gal": "5000",
  "volume_recovered_gal": "1400",
  "destinations": "Surface Water; Unpaved Surface",
  "destination_points_given": "Y",
  "end_at": "09/06/2026 15:15",
  "causes": "Pump Station Failure - Controls; Pump Station Failure - Power",
  "failure_location": "Pump Station - Controls; Pump Station - Power",
  "storm_event": "Y",
  "response_completed_at": "09/11/2026 15:15",
  "receiving_water": "Mojave River (dry riverbed)",
  "receiving_water_type": "River",
  "public_access_impact": "Other (specify below)",
  "closing_entity": "NA",
  "days_closed_or_restricted": "0",
  "within_1000_ft_of_intake": "N",
  "samples_collected": "N",
  "spill_category": "1",
  "reached_water": true,
  "destination_points": [
    {
      "lat": 34.505,
      "lon": -117.258
    }
  ]
}