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Treatment plant bypass reported — Oswego (C) West Side WWTF, Mar 31, 2026

Ongoing (as reported) · Oswego (C) West Side WWTF (NY DEC Sewage Pollution Right to Know)

Source: Oswego (C) West Side WWTF (NY DEC Sewage Pollution Right to Know), record 2431124899117938, reported Mar 31, 2026, 1:16 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.

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1. Reported wastewater outlet

Operator named in the record: Oswego (C) West Side WWTF (federal wastewater discharge permit, NPDES, NY0029106). Outlet: “2 Underground 72" Concrete Lines which convey Creek Water through the Wastewater Plant property.”. Location: 43.45570, -76.52810; 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: “Gardinier 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.

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
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
Treatment bypass: wastewater skips one or more treatment steps.
Status in the record
Ongoing (as reported)
Material
“Untreated”
Volume
20,000 gallons (estimated)
Volume as reported
“20,000 Gallons Estimated”

Advice from Oswego (C) West Side WWTF (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
2431124899117938
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
version 2

Record details

Record details
Record identifierny-dec-sprtk:2431124899117938
Source identifierny-dec-sprtk
Source record number2431124899117938
Earlier versionNot provided
TypeTreatment plant bypass
Status in the reportOngoing (as reported)
Sewer operator identifierny-oswego-west
Sewer operatorOswego (C) West Side WWTF
Federal wastewater discharge permit (NPDES)NY0029106
Outlet numberNot provided
Outlet name2 Underground 72" Concrete Lines which convey Creek Water through the Wastewater Plant property.
Water named in the reportGardinier Creek
Linked watersNot provided
How this report was linked to the waternot linked to a mapped water
Latitude43.456
Longitude-76.528
Location sourcegiven in the source record
Location accuracy, in metresNot provided
StartedMar 31, 2026, 7:00 AM EDT (2026-03-31T07:00:00-04:00)
EndedNot provided
Detail provided by the sourceto the minute
Reported to the sourceMar 31, 2026, 1:16 PM EDT (2026-03-31T13:16:59-04:00)
PublishedMar 31, 2026, 1:16 PM EDT (2026-03-31T13:16:59-04:00)
Source last updatedNot provided
Last retrieved by DirtyWaterWatchNov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
MaterialUntreated
Volume, in gallons20,000
Volume as reported20,000 Gallons Estimated
How volume was determinedestimated
AuthorityOswego (C) West Side WWTF (NY DEC Sewage Pollution Right to Know)
AdviceNot provided
Advice period, in hoursNot provided
Basis of the advice periodNot provided
Original noticehttps://www.dec.ny.gov/fs/data/SPRTK_Data.xlsx

Original source data

{
  "row": {
    "notificationId": "2431124899117938",
    "sprtkAirDateTime": "03/31/2026 17:16:59",
    "notificationStatus": "New",
    "facilityName": "Oswego (C) West Side WWTF NY0029106",
    "facilityId": "NY0029106",
    "countyName": "Oswego",
    "streetNumber": "2",
    "streetName": "First Avenue",
    "city": "Oswego",
    "addressDescription": "Westside WWTP Main Facility",
    "latitude": "-76.5281",
    "longitude": "43.4557",
    "sprtkStartDischargeDatetime": "03/31/2026 11:00:00",
    "sprtkEndDischargeDatetime": "03/31/2026 18:00:00",
    "dischargeDuration": "7 Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Gardinier Creek",
    "componentDescription": "2 Underground 72\" Concrete Lines which convey Creek Water through the Wastewater Plant property.",
    "quantity": "20,000 Gallons Estimated",
    "treatedState": "Untreated",
    "dischargeDescription": "Combined Sanitary/Stormwater",
    "stepsToContain": "Maximum Flow being received into Headworks.",
    "geoaddress": "2 1st Ave, Oswego, NY 13126, USA",
    "impactedArea": "Fishing Area - Creek & North Shore of Lake Ontario Harbor",
    "dischargeReason": "System Capacity - Maximum Flow being received into the Treatment Plant. Since the Plant cannot receive any additional flow, the flow is backing up into the Sanitary Sewer and flowing to Stormwater catch basins.  Primary Tank Channel overflowing to Stormwater Basin, as well.",
    "systemComponent": "Other - 2 Underground 72\" Concrete Lines which convey Creek Water through the Wastewater Plant property.",
    "region": "7",
    "sprtkDischargeWaterFlow": "Overland Flow",
    "sprtkImpactAreaDesc": "Creek & North Shore of Lake Ontario Harbor",
    "sprtkExplanation": "Maximum Flow being received into the Treatment Plant. Since the Plant cannot receive any additional flow, the flow is backing up into the Sanitary Sewer and flowing to Stormwater catch basins.  Primary Tank Channel overflowing to Stormwater Basin, as well."
  },
  "_tab": "January 2026-August2026",
  "_row": 1688,
  "_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": "2026-03-31T14:00:00-04:00",
  "_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": "untreated discharge at the treatment plant (component or notice text)",
  "_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:NY0029106|2 first avenue oswego|2026-03-31T11:00Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 2,
    "head": "ny-dec-sprtk:2431124899117938",
    "latest": "ny-dec-sprtk:2436588097551103"
  }
}

Source: Oswego (C) West Side WWTF (NY DEC Sewage Pollution Right to Know), record 2431124899117938, reported Mar 31, 2026, 1:16 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.