Combined sewer overflow (CSO) reported — North Tonawanda (C) WWTP, Aug 2, 2026
Ongoing (as reported) · North Tonawanda (C) WWTP (NY DEC Sewage Pollution Right to Know)
Source: North Tonawanda (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2657143257912715, reported Aug 2, 2026, 11:14 PM 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: North Tonawanda (C) WWTP (federal wastewater discharge permit, NPDES, NY0026280). Outlet: “ORF”. Location: 43.04120, -78.88900; 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: “Niagara River”. Not linked to a mapped water. name match too far (8.3 km)
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.
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
- Ended
- ongoing, as last reported
- Detail provided by the source
- Times known to the minute
- Reported to the source
- Published
- Source last updated
- not given
- Last retrieved by DirtyWaterWatch
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
- “Partially Treated with Disinfection”
- Volume
- 5 million gallons (estimated)
- Volume as reported
- “5,000,000 Gallons Estimated”
Advice from North Tonawanda (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
- 2657143257912715
- Original notice
- Read the original notice
- Earlier version
- None: this is the first record
- Later versions
- version 2
Record details
| Record identifier | ny-dec-sprtk:2657143257912715 |
|---|---|
| Source identifier | ny-dec-sprtk |
| Source record number | 2657143257912715 |
| Earlier version | Not provided |
| Type | Combined sewer overflow (CSO) |
| Status in the report | Ongoing (as reported) |
| Sewer operator identifier | ny-north-tonawanda |
| Sewer operator | North Tonawanda (C) WWTP |
| Federal wastewater discharge permit (NPDES) | NY0026280 |
| Outlet number | Not provided |
| Outlet name | ORF |
| Water named in the report | Niagara River |
| Linked waters | Not provided |
| How this report was linked to the water | not linked to a mapped water |
| Latitude | 43.041 |
| Longitude | -78.889 |
| Location source | given in the source record |
| Location accuracy, in metres | Not provided |
| Started | Aug 2, 2026, 10:45 PM EDT (2026-08-02T22:45:00-04:00) |
| Ended | Not provided |
| Detail provided by the source | to the minute |
| Reported to the source | Aug 2, 2026, 11:14 PM EDT (2026-08-02T23:14:49-04:00) |
| Published | Aug 2, 2026, 11:14 PM EDT (2026-08-02T23:14:49-04:00) |
| Source last updated | Not provided |
| Last retrieved by DirtyWaterWatch | Nov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z) |
| Material | Partially Treated with Disinfection |
| Volume, in gallons | 5,000,000 |
| Volume as reported | 5,000,000 Gallons Estimated |
| How volume was determined | estimated |
| Authority | North Tonawanda (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": "2657143257912715",
"sprtkAirDateTime": "08/03/2026 03:14:49",
"notificationStatus": "New",
"facilityName": "North Tonawanda (C) WWTP",
"facilityId": "NY0026280",
"countyName": "Niagara",
"streetNumber": "830",
"streetName": "River Rd",
"city": "North Tonawanda",
"addressDescription": "WWTP",
"latitude": "-78.889",
"longitude": "43.0412",
"sprtkStartDischargeDatetime": "08/03/2026 02:45:00",
"sprtkEndDischargeDatetime": "08/03/2026 20:00:00",
"dischargeDuration": "On Going Hours - Ongoing",
"surfaceWater": "Yes",
"receivingWaterBody": "Niagara River",
"componentDescription": "ORF",
"quantity": "5,000,000 Gallons Estimated",
"treatedState": "Partially Treated with Disinfection",
"dischargeDescription": "Discharge water has been screened, and solids were settled with primary clarification. Water is then stored and disinfected with chlorine prior to discharge as per SPDES permit.",
"stepsToContain": "Wet weather operating plan was followed and executed\nPlant storage and treatment capacity were maximized.\nDischarge is screened, solids settled through primary clarification and disinfected with chlorine prior to discharge as per NYSPDES Permit.",
"geoaddress": "830 River Rd, North Tonawanda, NY 14120, USA",
"impactedArea": "Bathing Beach,Bathing Beach,Boat Launch,Boat Launch,Drinking Water Intake,Drinking Water Intake,Fishing Area,Fishing Area,Other,Other,Park,Park,Unknown,Unknown - Niagara River North of North Tonawanda Wastewater Plant",
"dischargeReason": "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 - WWTP reached storage and treatment capacity, exceeded by weather conditions.",
"systemComponent": "CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall,CSO Outfall - ORF",
"region": "9",
"sprtkDischargeWaterFlow": "Manmade",
"sprtkImpactAreaDesc": "Niagara River North of North Tonawanda Wastewater Plant",
"sprtkExplanation": "WWTP reached storage and treatment capacity, exceeded by weather conditions."
},
"_tab": "January 2026-August2026",
"_row": 4788,
"_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": "2026-08-03T16:00:00-04:00",
"_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": "a CSO outfall named in the 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:NY0026280|830 river rd north tonawanda|2026-08-03T02:45Z",
"basis": "facility + address + start",
"position": 1,
"of": 2,
"head": "ny-dec-sprtk:2657143257912715",
"latest": "ny-dec-sprtk:2655390911281328"
}
} Source: North Tonawanda (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2657143257912715, reported Aug 2, 2026, 11:14 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.