Combined sewer overflow (CSO) reported — Niagara Falls (C) WWTP, May 23, 2026

Ongoing (as reported) · Niagara Falls (C) WWTP (NY DEC Sewage Pollution Right to Know)

Source: Niagara Falls (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2527607044256839, reported May 24, 2026, 10:05 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: Niagara Falls (C) WWTP (federal wastewater discharge permit, NPDES, NY0026336). Outlet: 006 “gps cso 006”. Location: 43.09944, -79.06055; location source: from the state's or EPA's outfall layer.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “lower niagara river”. DirtyWaterWatch links this report to Niagara River, NY. Match basis: the outlet's permit and number in EPA and state records.

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, 10:45 AM EDT
Ended: ongoing, as last reported
Detail provided by the source: Times known to the minute
Reported to the source: May 24, 2026, 10:05 AM EDT
Published: May 24, 2026, 10:05 AM EDT
Source last updated: not given
Last retrieved by DirtyWaterWatch: 2026-11-02 20:40 UTC

What and how much

Type: Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.
Status in the record: Ongoing (as reported)
Material: “Untreated”
Volume: 40 million gallons (estimated)
Volume as reported: “40000000 Gallons Estimated”

Advice from Niagara Falls (C) 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: 2527607044256839
Original notice: Read the original notice
Earlier version: Read the earlier version
Later versions: version 2

Record details

Record details
Record identifier	ny-dec-sprtk:2527607044256839
Source identifier	ny-dec-sprtk
Source record number	2527607044256839
Earlier version	ny-dec-sprtk:2527607044236006
Type	Combined sewer overflow (CSO)
Status in the report	Ongoing (as reported)
Sewer operator identifier	ny-niagara-falls-water-board
Sewer operator	Niagara Falls (C) WWTP
Federal wastewater discharge permit (NPDES)	NY0026336
Outlet number	006
Outlet name	gps cso 006
Water named in the report	lower niagara river
Linked waters	niagara-river-ny
How this report was linked to the water	the outlet's permit and number in EPA and state records
Latitude	43.099
Longitude	-79.061
Location source	from the state's or EPA's outfall layer
Location accuracy, in metres	Not provided
Started	May 23, 2026, 10:45 AM EDT (2026-05-23T10:45:00-04:00)
Ended	Not provided
Detail provided by the source	to the minute
Reported to the source	May 24, 2026, 10:05 AM EDT (2026-05-24T10:05:00-04:00)
Published	May 24, 2026, 10:05 AM EDT (2026-05-24T10:05:00-04:00)
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	40,000,000
Volume as reported	40000000 Gallons Estimated
How volume was determined	estimated
Authority	Niagara Falls (C) 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": "2527607044256839",
    "sprtkAirDateTime": "05/24/2026 14:05:00",
    "notificationStatus": "Update",
    "facilityName": "Niagara Falls (C) WWTP",
    "facilityId": "NY0026336",
    "countyName": "Niagara",
    "streetNumber": "1099",
    "streetName": "whirlpool street",
    "city": "niagara falls",
    "addressDescription": "gps/near parkway",
    "latitude": "-79.0585",
    "longitude": "43.0992",
    "sprtkStartDischargeDatetime": "05/23/2026 14:45:00",
    "sprtkEndDischargeDatetime": "05/25/2026 14:45:00",
    "dischargeDuration": "ongoing Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "lower niagara river",
    "componentDescription": "gps cso 006",
    "quantity": "40000000 Gallons Estimated",
    "treatedState": "Untreated",
    "dischargeDescription": "rain water, waste water and ground water. Permitted CSO discharge.",
    "stepsToContain": "we have a wet weather plan in place. system is at capacity due to the weather conditions. Permitted CSO discharge. We have estimated the total of the event, we will have a much more accurate estimation when the event ends",
    "geoaddress": "611 Ashland Ave, Niagara Falls, NY 14301, USA",
    "impactedArea": "Boat Launch,Boat Launch,Boat Launch,Boat Launch,Fishing Area,Fishing Area,Fishing Area,Fishing Area,Park,Park,Park,Park,Unknown,Unknown,Unknown,Unknown - lower niagara river",
    "dischargeReason": "System Capacity,System Capacity,System Capacity,System Capacity,System Capacity,System Capacity,System Capacity,System Capacity,Weather Conditions,Weather Conditions,Weather Conditions,Weather Conditions,Weather Conditions,Weather Conditions,Weather Conditions,Weather Conditions - rain",
    "systemComponent": "CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,Pump Station,Pump Station,Pump Station,Pump Station,Pump Station,Pump Station,Pump Station,Pump Station - gps cso 006",
    "region": "9",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkImpactAreaDesc": "lower niagara river",
    "sprtkExplanation": "rain"
  },
  "_tab": "January 2026-August2026",
  "_row": 3281,
  "_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": "2026-05-25T10:45:00-04:00",
  "_projected_end_note": "NY-Alert requires an expected end time on every notice; this one is a projection, not a reported end",
  "_coords": "EPA ECHO CSO inventory NY0026336 outfall 006",
  "_event_type_basis": "a CSO outfall named in the system component",
  "_water": {
    "via": "ECHO CSO inventory (outfalls-mid-atlantic)",
    "echo_outfall": "006",
    "echo_match": "geometry+name",
    "echo_receiving_water": "Niagara River"
  },
  "_coords_notice": {
    "lat": 43.0992,
    "lon": -79.0585,
    "note": "latitude and longitude columns swapped"
  },
  "_chain": {
    "id": "key:NY0026336|1099 whirlpool street niagara falls|2026-05-23T14:15Z",
    "basis": "facility + address; the start was edited by 0.50 h after the New notice (joined to the open chain at the same place)",
    "position": 3,
    "of": 4,
    "head": "ny-dec-sprtk:2527400885792547",
    "latest": "ny-dec-sprtk:2527607044271697"
  }
}

Source: Niagara Falls (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2527607044256839, reported May 24, 2026, 10:05 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.