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

Ended (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 2527607044296211, reported May 26, 2026, 7:40 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.

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1. Reported wastewater outlet

Operator named in the record: Niagara Falls (C) WWTP (federal wastewater discharge permit, NPDES, NY0026336). Outlet: “6-INCH PUMP AT INTERSECTION”. Location: 43.08520, -78.95590; 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: “Cayuga Creek”. Not linked to a mapped water.

3. Estimated downstream stretch

We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.

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, 3:00 PM EDT
Ended: May 24, 2026, 1:30 AM EDT
Detail provided by the source: Times known to the minute
Reported to the source: May 26, 2026, 7:40 AM EDT
Published: May 26, 2026, 7:40 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: Ended (as reported)
Material: “Untreated”
Volume: “600 Gallons per Minute Estimated” (estimated)
Volume as reported: “600 Gallons per Minute 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: 2527607044296211
Original notice: Read the original notice
Earlier version: Read the earlier version
Later versions: None

Record details

Record details
Record identifier	ny-dec-sprtk:2527607044296211
Source identifier	ny-dec-sprtk
Source record number	2527607044296211
Earlier version	ny-dec-sprtk:2527366526070393
Type	Combined sewer overflow (CSO)
Status in the report	Ended (as reported)
Sewer operator identifier	ny-niagara-falls-water-board
Sewer operator	Niagara Falls (C) WWTP
Federal wastewater discharge permit (NPDES)	NY0026336
Outlet number	Not provided
Outlet name	6-INCH PUMP AT INTERSECTION
Water named in the report	Cayuga Creek
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	43.085
Longitude	-78.956
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	May 23, 2026, 3:00 PM EDT (2026-05-23T15:00:00-04:00)
Ended	May 24, 2026, 1:30 AM EDT (2026-05-24T01:30:00-04:00)
Detail provided by the source	to the minute
Reported to the source	May 26, 2026, 7:40 AM EDT (2026-05-26T07:40:44-04:00)
Published	May 26, 2026, 7:40 AM EDT (2026-05-26T07:40:44-04:00)
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	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": "2527607044296211",
    "sprtkAirDateTime": "05/26/2026 11:40:44",
    "notificationStatus": "Close",
    "facilityName": "Niagara Falls (C) WWTP",
    "facilityId": "NY0026336",
    "countyName": "Niagara",
    "streetNumber": "1004",
    "streetName": "93RD",
    "city": "NIAGARA FALLS",
    "addressDescription": "6-INCH PUMP AT INTERSECTION",
    "latitude": "-78.9559",
    "longitude": "43.0852",
    "sprtkStartDischargeDatetime": "05/23/2026 19:00:00",
    "sprtkEndDischargeDatetime": "05/24/2026 05:30:00",
    "dischargeDuration": "10.5 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Cayuga Creek",
    "quantity": "600 Gallons per Minute Estimated",
    "treatedState": "Untreated",
    "stepsToContain": "lift station running at capacity",
    "geoaddress": "1004 93rd St, Niagara Falls, NY 14304, USA",
    "impactedArea": "-",
    "dischargeReason": "System Capacity,Weather Conditions - Heavy constant rain",
    "systemComponent": "-",
    "region": "9",
    "sprtkExplanation": "Heavy constant rain"
  },
  "_tab": "January 2026-August2026",
  "_row": 3370,
  "_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": "inferred: untreated wet-weather discharge from a CSO permittee, no component given (could also be a sanitary overflow or plant bypass)",
  "_volume_note": "a rate, not a volume",
  "_chain": {
    "id": "key:NY0026336|1004 93rd niagara falls|2026-05-23T19:00Z",
    "basis": "facility + address + start",
    "position": 2,
    "of": 2,
    "head": "ny-dec-sprtk:2527366526070393",
    "latest": "ny-dec-sprtk:2527607044296211",
    "notices": [
      {
        "id": "2527366526070393",
        "status": "New",
        "aired": "2026-05-23T18:59:14-04:00"
      },
      {
        "id": "2527607044296211",
        "status": "Close",
        "aired": "2026-05-26T07:40:44-04:00"
      }
    ]
  }
}

Source: Niagara Falls (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2527607044296211, reported May 26, 2026, 7:40 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.