Sanitary sewer overflow (SSO) reported — Baldwinsville-Seneca Knolls WWTP, Apr 19, 2026

Ongoing (as reported) · Baldwinsville-Seneca Knolls WWTP (NY DEC Sewage Pollution Right to Know)

Source: Baldwinsville-Seneca Knolls WWTP (NY DEC Sewage Pollution Right to Know), record 2457272660051000, reported Apr 19, 2026, 8:22 PM EDT, retrieved 2026-11-02 20:40 UTC · Read the original notice

Current status from this report

Earlier version. A later record from the same source replaces this one. The newest version sets the map status. read the newer version

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 Seneca River (Erie Canal) near Port Byron NY gauge, 100 metres from the nearest boat launch on Seneca River: flow 2,110 cubic feet per second (Nov 2, 2026, 3:30 PM EST). Conditions are measured at the gauge, not at this spot, and do not change the status.Conditions on Seneca River

Source: U.S. Geological Survey via Water Data for the Nation, gauge 04235600, reading Nov 2, 2026, 3:30 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: Baldwinsville-Seneca Knolls WWTP (federal wastewater discharge permit, NPDES, NY0030571). Outlet: “In the woods between River Rd and Filaree Cir.”. Location: 43.17810, -76.28040; 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: “Seneca River”. DirtyWaterWatch links this report to Seneca 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.

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: Apr 19, 2026, 7:10 PM EDT
Ended: ongoing, as last reported
Detail provided by the source: Times known to the minute
Reported to the source: Apr 19, 2026, 8:22 PM EDT
Published: Apr 19, 2026, 8:22 PM EDT
Source last updated: not given
Last retrieved by DirtyWaterWatch: 2026-11-02 20:40 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: Ongoing (as reported)
Material: “Untreated”
Volume: “5 Gallons per Minute Estimated” (estimated)
Volume as reported: “5 Gallons per Minute Estimated”

Advice from Baldwinsville-Seneca Knolls 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: 2457272660051000
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: version 2

Record details

Record details
Record identifier	ny-dec-sprtk:2457272660051000
Source identifier	ny-dec-sprtk
Source record number	2457272660051000
Earlier version	Not provided
Type	Sanitary sewer overflow (SSO)
Status in the report	Ongoing (as reported)
Sewer operator identifier	ny-baldwinsville-seneca-knolls-wwtp
Sewer operator	Baldwinsville-Seneca Knolls WWTP
Federal wastewater discharge permit (NPDES)	NY0030571
Outlet number	Not provided
Outlet name	In the woods between River Rd and Filaree Cir.
Water named in the report	Seneca River
Linked waters	seneca-river-ny
How this report was linked to the water	the water named in the report
Latitude	43.178
Longitude	-76.28
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Apr 19, 2026, 7:10 PM EDT (2026-04-19T19:10:00-04:00)
Ended	Not provided
Detail provided by the source	to the minute
Reported to the source	Apr 19, 2026, 8:22 PM EDT (2026-04-19T20:22:51-04:00)
Published	Apr 19, 2026, 8:22 PM EDT (2026-04-19T20:22:51-04:00)
Source last updated	Not provided
Last retrieved by DirtyWaterWatch	Nov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
Material	Untreated
Volume, in gallons	Not provided
Volume as reported	5 Gallons per Minute Estimated
How volume was determined	estimated
Authority	Baldwinsville-Seneca Knolls 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": "2457272660051000",
    "sprtkAirDateTime": "04/20/2026 00:22:51",
    "notificationStatus": "New",
    "facilityName": "Baldwinsville-Seneca Knolls WWTP",
    "facilityId": "NY0030571",
    "countyName": "Onondaga",
    "streetNumber": "8415",
    "streetName": "River Rd",
    "city": "Lysander",
    "addressDescription": "In the woods between River Rd and Filaree Cir.",
    "latitude": "-76.2804",
    "longitude": "43.1781",
    "sprtkStartDischargeDatetime": "04/19/2026 23:10:00",
    "sprtkEndDischargeDatetime": "04/20/2026 23:10:00",
    "dischargeDuration": "24 Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Seneca River",
    "quantity": "5 Gallons per Minute Estimated",
    "treatedState": "Untreated",
    "stepsToContain": "WEP crews are on site diagnosing the cause of the sewage surcharge.",
    "geoaddress": "8410 Filaree Cir, Baldwinsville, NY 13027, USA",
    "impactedArea": "Fishing Area,Fishing Area -",
    "dischargeReason": "Blockage,Unknown - A town of Lysander sanitary manhole(WEP Asset #41859) is discharging sewage onto the ground.",
    "systemComponent": "Manhole,Manhole -",
    "region": "7",
    "sprtkDischargeWaterFlow": "Overland Flow",
    "sprtkExplanation": "A town of Lysander sanitary manhole(WEP Asset #41859) is discharging sewage onto the ground."
  },
  "_tab": "January 2026-August2026",
  "_row": 2571,
  "_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"
  },
  "_projected_end": "2026-04-20T19:10:00-04:00",
  "_projected_end_note": "NY-Alert requires an expected end time on every notice; this one is a projection, not a reported end",
  "_coords": "latitude and longitude columns swapped; a street-address geocode chosen by the notifier",
  "_event_type_basis": "untreated discharge from a collection-system component",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)"
  },
  "_volume_note": "a rate, not a volume; first (New) notice: NY-Alert requires a volume and an end time up front, so this figure is the notifier's estimate or placeholder, not a measured total",
  "_chain": {
    "id": "key:NY0030571|8415 river rd lysander|2026-04-19T23:10Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 3,
    "head": "ny-dec-sprtk:2457272660051000",
    "latest": "ny-dec-sprtk:2457238300468474"
  }
}

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