Sanitary sewer overflow (SSO) reported — Grand Island (T) SD#2 WWTP, Apr 5, 2026

Ongoing (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 2457238300069956, reported Apr 5, 2026, 1:30 AM 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.

Read the original notice · Report an error

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.

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 5, 2026, 1:16 AM EDT
Ended: ongoing, as last reported
Detail provided by the source: Times known to the minute
Reported to the source: Apr 5, 2026, 1:30 AM EDT
Published: Apr 5, 2026, 1:30 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: Ongoing (as reported)
Material: “Untreated”
Volume: “600 Gallons per Minute Estimated” (estimated)
Volume as reported: “600 Gallons per Minute Estimated”

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: 2457238300069956
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:2457238300069956
Source identifier	ny-dec-sprtk
Source record number	2457238300069956
Earlier version	Not provided
Type	Sanitary sewer overflow (SSO)
Status in the report	Ongoing (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	Apr 5, 2026, 1:16 AM EDT (2026-04-05T01:16:00-04:00)
Ended	Not provided
Detail provided by the source	to the minute
Reported to the source	Apr 5, 2026, 1:30 AM EDT (2026-04-05T01:30:47-04:00)
Published	Apr 5, 2026, 1:30 AM EDT (2026-04-05T01:30:47-04:00)
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	600 Gallons per Minute Estimated
How volume was determined	estimated
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": "2457238300069956",
    "sprtkAirDateTime": "04/05/2026 05:30:47",
    "notificationStatus": "New",
    "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": "04/05/2026 05:16:00",
    "sprtkEndDischargeDatetime": "04/06/2026 05:16:00",
    "dischargeDuration": "24 Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "tributary 1 to Niagara River - Tonawanda Channel",
    "componentDescription": "St  9 bypass outfall 004",
    "quantity": "600 Gallons per Minute Estimated",
    "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",
    "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": 2042,
  "_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": "2026-04-06T01:16:00-04:00",
  "_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:NY0027693|681 east river rd grand island|2026-04-05T05:16Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 2,
    "head": "ny-dec-sprtk:2457238300069956",
    "latest": "ny-dec-sprtk:2457513178061232"
  }
}

Source: Grand Island (T) SD#2 WWTP (NY DEC Sewage Pollution Right to Know), record 2457238300069956, reported Apr 5, 2026, 1:30 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.