Sanitary sewer overflow (SSO) reported — Grand Island (T) SD#2 WWTP, May 23, 2026

Ended (as reported) · Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know)

Source: Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know), record 2579284090834039, reported Jun 24, 2026, 12:37 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.

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1. Reported wastewater outlet

Operator named in the record: Grand Island (T) SD#2 WWTP (federal wastewater discharge permit, NPDES, NY0027693). Outlet: 004 “St 9 bypass, outfall 004”. Location: 42.98060, -78.95120; 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: “tributary 1 to Niagara River - Tonawanda Channel”. DirtyWaterWatch links this report to Niagara River – Tonawanda Channel, 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: May 23, 2026, 1:30 PM EDT
Ended: May 24, 2026, 1:30 PM EDT
Detail provided by the source: Times known to the minute
Reported to the source: Jun 24, 2026, 12:37 PM EDT
Published: Jun 24, 2026, 12:37 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: Ended (as reported)
Material: “Untreated”
Volume: 144,000 gallons (measured or verified)
Volume as reported: “144,000 Gallons Actual”

Advice from Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know)

“report will be updated/ closed after event has ended”
Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know)

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: 2579284090834039
Original notice: Read the original notice
Earlier version: Read the earlier version
Later versions: None

Record details

Record details
Record identifier	ny-dec-sprtk:2579284090834039
Source identifier	ny-dec-sprtk
Source record number	2579284090834039
Earlier version	ny-dec-sprtk:2527572684497675
Type	Sanitary sewer overflow (SSO)
Status in the report	Ended (as reported)
Sewer operator identifier	ny-grand-island-sd2
Sewer operator	Grand Island (T) SD#2 WWTP
Federal wastewater discharge permit (NPDES)	NY0027693
Outlet number	004
Outlet name	St 9 bypass, outfall 004
Water named in the report	tributary 1 to Niagara River - Tonawanda Channel
Linked waters	niagara-river-tonawanda-channel-ny
How this report was linked to the water	the water named in the report
Latitude	42.981
Longitude	-78.951
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 24, 2026, 1:30 PM EDT (2026-05-24T13:30:00-04:00)
Detail provided by the source	to the minute
Reported to the source	Jun 24, 2026, 12:37 PM EDT (2026-06-24T12:37:56-04:00)
Published	Jun 24, 2026, 12:37 PM EDT (2026-06-24T12:37:56-04:00)
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	144,000
Volume as reported	144,000 Gallons Actual
How volume was determined	measured or verified
Authority	Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know)
Advice	report will be updated/ closed after event has ended
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": "2579284090834039",
    "sprtkAirDateTime": "06/24/2026 16:37:56",
    "notificationStatus": "Update",
    "facilityName": "Grand Island (T) SD#2 WWTP",
    "facilityId": "NY0027693",
    "countyName": "Erie",
    "streetNumber": "681",
    "streetName": "East River Rd",
    "city": "Grand Island",
    "addressDescription": "St 9 bypass, outfall 004",
    "latitude": "-78.9512",
    "longitude": "42.9806",
    "sprtkStartDischargeDatetime": "05/23/2026 17:30:00",
    "sprtkEndDischargeDatetime": "05/24/2026 17:30:00",
    "dischargeDuration": "24 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "tributary 1 to Niagara River - Tonawanda Channel",
    "componentDescription": "St 9 bypass, outfall 004",
    "quantity": "144,000 Gallons Actual",
    "treatedState": "Untreated",
    "dischargeDescription": "sanitary sewage mixed with rain",
    "stepsToContain": "continue to monitor flows",
    "additionalInstructions": "report will be updated/ closed after event has ended",
    "geoaddress": "681 East River Rd Grand Island",
    "impactedArea": "Other - creek",
    "dischargeReason": "Weather Conditions - heavy rain",
    "systemComponent": "Pump Station - St 9 bypass, outfall 004",
    "region": "9",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkImpactAreaDesc": "creek",
    "sprtkExplanation": "heavy rain",
    "sprtkAdditionalInstructions": "report will be updated/ closed after event has ended"
  },
  "_tab": "January 2026-August2026",
  "_row": 3956,
  "_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)"
  },
  "_chain": {
    "id": "key:NY0027693|681 east river rd grand island|2026-05-23T17:30Z",
    "basis": "facility + address + start",
    "position": 2,
    "of": 2,
    "head": "ny-dec-sprtk:2527572684497675",
    "latest": "ny-dec-sprtk:2579284090834039",
    "notices": [
      {
        "id": "2527572684497675",
        "status": "New",
        "aired": "2026-05-23T13:44:11-04:00"
      },
      {
        "id": "2579284090834039",
        "status": "Update",
        "aired": "2026-06-24T12:37:56-04:00"
      }
    ]
  }
}

Source: Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know), record 2579284090834039, reported Jun 24, 2026, 12:37 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.