Sanitary sewer overflow (SSO) reported — Tonawanda (C) Sanitary Sewers, May 23, 2026

Ended (as reported) · Tonawanda (C) Sanitary Sewers (NY DEC Sewage Pollution Right to Know)

Source: Tonawanda (C) Sanitary Sewers (NY DEC Sewage Pollution Right to Know), record 2527607044298697, reported May 26, 2026, 9:43 AM 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 Ellicott Creek below Williamsville NY gauge, 7.1 kilometres from the nearest boat launch on Ellicott Creek: flow 30.6 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 Ellicott Creek

Source: U.S. Geological Survey via Water Data for the Nation, gauge 04218518, 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: Tonawanda (C) Sanitary Sewers. Outlet: “pump station”. Location: 43.01150, -78.86620; 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: “Ellicott creek”. DirtyWaterWatch links this report to Ellicott Creek, 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: May 23, 2026, 1:30 PM EDT
Ended: May 23, 2026, 6:30 PM EDT
Detail provided by the source: Times known to the minute
Reported to the source: May 26, 2026, 9:43 AM EDT
Published: May 26, 2026, 9:43 AM 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: Ended (as reported)
Material: “Untreated”
Volume: 1.39 million gallons (estimated)
Volume as reported: “1390711 Gallons Actual”

Advice from Tonawanda (C) Sanitary Sewers (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: 2527607044298697
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: None

Record details

Record details
Record identifier	ny-dec-sprtk:2527607044298697
Source identifier	ny-dec-sprtk
Source record number	2527607044298697
Earlier version	Not provided
Type	Sanitary sewer overflow (SSO)
Status in the report	Ended (as reported)
Sewer operator identifier	ny-tonawanda-c-sanitary-sewers
Sewer operator	Tonawanda (C) Sanitary Sewers
Federal wastewater discharge permit (NPDES)	Not provided
Outlet number	Not provided
Outlet name	pump station
Water named in the report	Ellicott creek
Linked waters	ellicott-creek-ny
How this report was linked to the water	the water named in the report
Latitude	43.012
Longitude	-78.866
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	May 23, 2026, 1:30 PM EDT (2026-05-23T13:30:00-04:00)
Ended	May 23, 2026, 6:30 PM EDT (2026-05-23T18:30:00-04:00)
Detail provided by the source	to the minute
Reported to the source	May 26, 2026, 9:43 AM EDT (2026-05-26T09:43:46-04:00)
Published	May 26, 2026, 9:43 AM EDT (2026-05-26T09:43:46-04:00)
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	1,390,711
Volume as reported	1390711 Gallons Actual
How volume was determined	estimated
Authority	Tonawanda (C) Sanitary Sewers (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": "2527607044298697",
    "sprtkAirDateTime": "05/26/2026 13:43:46",
    "notificationStatus": "New",
    "facilityName": "Tonawanda (C) Sanitary Sewers",
    "facilityId": "NYS900015",
    "countyName": "Erie",
    "streetNumber": "400",
    "streetName": "Young st",
    "city": "Tonawanda",
    "addressDescription": "pump station",
    "latitude": "-78.8662",
    "longitude": "43.0115",
    "sprtkStartDischargeDatetime": "05/23/2026 17:30:00",
    "sprtkEndDischargeDatetime": "05/23/2026 22:30:00",
    "dischargeDuration": "5 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Ellicott creek",
    "quantity": "1390711 Gallons Actual",
    "treatedState": "Untreated",
    "stepsToContain": "monitor",
    "geoaddress": "400 Young St, Tonawanda, NY 14150, USA",
    "impactedArea": "-",
    "dischargeReason": "Weather Conditions - heavy rain",
    "systemComponent": "Pump Station -",
    "region": "9",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "heavy rain"
  },
  "_tab": "January 2026-August2026",
  "_row": 3384,
  "_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": "untreated discharge from a collection-system component",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)"
  },
  "_volume_note": "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:NYS900015|400 young st tonawanda|2026-05-23T17:30Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 1,
    "head": "ny-dec-sprtk:2527607044298697",
    "latest": "ny-dec-sprtk:2527607044298697",
    "notices": [
      {
        "id": "2527607044298697",
        "status": "New",
        "aired": "2026-05-26T09:43:46-04:00"
      }
    ]
  }
}

Source: Tonawanda (C) Sanitary Sewers (NY DEC Sewage Pollution Right to Know), record 2527607044298697, reported May 26, 2026, 9:43 AM 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.