Treatment bypass reported — Yonkers Joint WWTP, Jul 2, 2026

Ended (as reported) · Yonkers Joint WWTP (NY DEC Sewage Pollution Right to Know)

Source: Yonkers Joint WWTP (NY DEC Sewage Pollution Right to Know), record 2593715181001657, reported Jul 3, 2026, 6:12 PM EDT, retrieved 2026-11-02 20:40 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 2, 2026, 4:26 PM EST. Check its dates and the status rules.

A report is not a test of the water. See how we assign statuses.

Latest conditions, not at the time of this report:At the Hudson River at Green Island NY gauge, 2.1 kilometres from the nearest boat launch on Hudson River: flow 8,190 cubic feet per second (Nov 2, 2026, 3:15 PM EST). Conditions are measured at the gauge, not at this spot, and do not change the status.Conditions on Hudson River

Source: U.S. Geological Survey via Water Data for the Nation, gauge 01358000, reading Nov 2, 2026, 3:15 PM EST, retrieved 2026-11-02 21:22 UTC. Gauge chosen by DirtyWaterWatch. · Readings and history at USGS

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Yonkers Joint WWTP (federal wastewater discharge permit, NPDES, NY0026689). Outlet: not stated. Location: 40.92200, -73.90740; 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: “Hudson River”. DirtyWaterWatch links this report to Hudson River, NY. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

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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: Jul 2, 2026, 9:00 PM EDT
Ended: Jul 3, 2026, 2:00 PM EDT
Detail provided by the source: Times known to the minute
Reported to the source: Jul 3, 2026, 6:12 PM EDT
Published: Jul 3, 2026, 6:12 PM EDT
Source last updated: not given
Last retrieved by DirtyWaterWatch: 2026-11-02 20:40 UTC

What and how much

Type: Treatment bypass: wastewater skips one or more treatment steps.
Status in the record: Ended (as reported)
Material: “Partially Treated with Disinfection”
Volume: 39 million gallons (estimated)
Volume as reported: “39,000,000 Gallons Estimated”

Advice from Yonkers Joint WWTP (NY DEC Sewage Pollution Right to Know)

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: NY DEC Sewage Pollution Right to Know
Source record number: 2593715181001657
Original notice: Read the original notice
Earlier version: Read the earlier version
Later versions: None

Record details

Record details
Record identifier	ny-dec-sprtk:2593715181001657
Source identifier	ny-dec-sprtk
Source record number	2593715181001657
Earlier version	ny-dec-sprtk:2593715180983241
Type	Treatment bypass
Status in the report	Ended (as reported)
Sewer operator identifier	ny-westchester-yonkers
Sewer operator	Yonkers Joint WWTP
Federal wastewater discharge permit (NPDES)	NY0026689
Outlet number	Not provided
Outlet name	Not provided
Water named in the report	Hudson River
Linked waters	hudson-river-ny
How this report was linked to the water	the water named in the report
Latitude	40.922
Longitude	-73.907
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Jul 2, 2026, 9:00 PM EDT (2026-07-02T21:00:00-04:00)
Ended	Jul 3, 2026, 2:00 PM EDT (2026-07-03T14:00:00-04:00)
Detail provided by the source	to the minute
Reported to the source	Jul 3, 2026, 6:12 PM EDT (2026-07-03T18:12:06-04:00)
Published	Jul 3, 2026, 6:12 PM EDT (2026-07-03T18:12:06-04:00)
Source last updated	Not provided
Last retrieved by DirtyWaterWatch	Nov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
Material	Partially Treated with Disinfection
Volume, in gallons	39,000,000
Volume as reported	39,000,000 Gallons Estimated
How volume was determined	estimated
Authority	Yonkers Joint WWTP (NY DEC Sewage Pollution Right to Know)
Advice	Not provided
Advice period, in hours	Not provided
Basis of the advice period	Not provided
Original notice	https://www.dec.ny.gov/fs/data/SPRTK_Data.xlsx

Original source data

{
  "row": {
    "notificationId": "2593715181001657",
    "sprtkAirDateTime": "07/03/2026 22:12:06",
    "notificationStatus": "Update",
    "facilityName": "Yonkers Joint WWTP",
    "facilityId": "NY0026689",
    "countyName": "Westchester",
    "streetNumber": "1",
    "streetName": "Fernbrook Street",
    "city": "Yonkers",
    "latitude": "-73.9074",
    "longitude": "40.922",
    "sprtkStartDischargeDatetime": "07/03/2026 01:00:00",
    "sprtkEndDischargeDatetime": "07/03/2026 18:00:00",
    "dischargeDuration": "17 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Hudson River",
    "quantity": "39,000,000 Gallons Estimated",
    "treatedState": "Partially Treated with Disinfection",
    "stepsToContain": "Plant is on emergency disinfection while plant staff work to restore power/ generators. \n\nUpdate. Discharge ended at 2 pm. Plant was able to restore power using a hybrid solution using one utility feeder to feed equipment and two turbo blowers, and run 3 additional turbo blowers on portable generators. Plant primary, secondary and disinfection/ dechlorination processes are all currently in operation. Estimate the discharge volume of 39,000,000 of partially treated sewage with disinfection to Hudson River during event.",
    "geoaddress": "1 Fernbrook St, Yonkers, NY 10705, USA",
    "impactedArea": "-",
    "dischargeReason": "Power Outage,Weather Conditions - Yonkers plant lost power due to high heat and humidity  and are unable to transfer power over to generators",
    "systemComponent": "-",
    "region": "3",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Yonkers plant lost power due to high heat and humidity  and are unable to transfer power over to generators"
  },
  "_tab": "January 2026-August2026",
  "_row": 4131,
  "_time_basis": {
    "air": "UTC in the workbook (rows aired from late May 2025); converted to America/New_York",
    "start": "UTC in the workbook (rows aired from late May 2025); converted to America/New_York",
    "end": "UTC in the workbook (rows aired from late May 2025); converted to America/New_York"
  },
  "_coords": "latitude and longitude columns swapped; a street-address geocode chosen by the notifier",
  "_event_type_basis": "partially treated discharge (treated state)",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)"
  },
  "_chain": {
    "id": "key:NY0026689|1 fernbrook street yonkers|2026-07-03T01:00Z",
    "basis": "facility + address + start",
    "position": 2,
    "of": 2,
    "head": "ny-dec-sprtk:2593715180983241",
    "latest": "ny-dec-sprtk:2593715181001657",
    "notices": [
      {
        "id": "2593715180983241",
        "status": "New",
        "aired": "2026-07-03T01:08:52-04:00"
      },
      {
        "id": "2593715181001657",
        "status": "Update",
        "aired": "2026-07-03T18:12:06-04:00"
      }
    ]
  }
}

Source: Yonkers Joint WWTP (NY DEC Sewage Pollution Right to Know), record 2593715181001657, reported Jul 3, 2026, 6:12 PM EDT, retrieved 2026-11-02 20:40 UTC · Read the original notice

Staff names, email addresses and phone numbers are removed from source data before it is stored.