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Treatment bypass reported — Oneonta (C) WWTP, Aug 27, 2026

Ended (as reported) · Oneonta (C) WWTP (NY DEC Sewage Pollution Right to Know)

Source: Oneonta (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2712771674288895, reported Aug 28, 2026, 5:31 PM 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.

Latest conditions, not at the time of this report:At the Susquehanna River at Unadilla NY gauge, 600 metres from the nearest boat launch on Susquehanna River: flow 327 cubic feet per second (Nov 2, 2026, 4:00 PM EST). Conditions are measured at the gauge, not at this spot, and do not change the status.Conditions on Susquehanna River

Source: U.S. Geological Survey via Water Data for the Nation, gauge 01500500, reading Nov 2, 2026, 4:00 PM EST, retrieved 2026-11-02 21:22 UTC. Gauge chosen by DirtyWaterWatch. · Readings and history at USGS

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Oneonta (C) WWTP (federal wastewater discharge permit, NPDES, NY0031151). Outlet: “WWTP”. Location: 42.44000, -75.10240; 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: “Susquehanna River”. DirtyWaterWatch links this report to Susquehanna River, 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.

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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
Ended
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
Ended (as reported)
Material
“Partially Treated with Disinfection”
Volume
48,730 gallons (estimated)
Volume as reported
“48,730 Gallons Actual”

Advice from Oneonta (C) WWTP (NY DEC Sewage Pollution Right to Know)

“The notice sent out in the early morning of 8/28/26 ID: 2712771674263144 was closed before we could update it with the final discharge amount.”

Oneonta (C) 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

Status history from this report

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-02 21:26 UTC.

Source and versions

Source
NY DEC Sewage Pollution Right to Know
Source record number
2712771674288895
Original notice
Read the original notice
Earlier version
Read the earlier version
Later versions
None

Record details

Record details
Record identifierny-dec-sprtk:2712771674288895
Source identifierny-dec-sprtk
Source record number2712771674288895
Earlier versionny-dec-sprtk:2712771674270383
TypeTreatment bypass
Status in the reportEnded (as reported)
Sewer operator identifierny-oneonta-c-wwtp
Sewer operatorOneonta (C) WWTP
Federal wastewater discharge permit (NPDES)NY0031151
Outlet numberNot provided
Outlet nameWWTP
Water named in the reportSusquehanna River
Linked waterssusquehanna-river-ny
How this report was linked to the waterthe water named in the report
Latitude42.44
Longitude-75.102
Location sourcegiven in the source record
Location accuracy, in metresNot provided
StartedAug 27, 2026, 11:00 PM EDT (2026-08-27T23:00:00-04:00)
EndedAug 28, 2026, 1:00 AM EDT (2026-08-28T01:00:00-04:00)
Detail provided by the sourceto the minute
Reported to the sourceAug 28, 2026, 5:31 PM EDT (2026-08-28T17:31:02-04:00)
PublishedAug 28, 2026, 5:31 PM EDT (2026-08-28T17:31:02-04:00)
Source last updatedNot provided
Last retrieved by DirtyWaterWatchNov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
MaterialPartially Treated with Disinfection
Volume, in gallons48,730
Volume as reported48,730 Gallons Actual
How volume was determinedestimated
AuthorityOneonta (C) WWTP (NY DEC Sewage Pollution Right to Know)
AdviceThe notice sent out in the early morning of 8/28/26 ID: 2712771674263144 was closed before we could update it with the final discharge amount.
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": "2712771674288895",
    "sprtkAirDateTime": "08/28/2026 21:31:02",
    "notificationStatus": "New",
    "facilityName": "Oneonta (C) WWTP NY0031151",
    "facilityId": "NY0031151",
    "countyName": "Otsego",
    "streetNumber": "11",
    "streetName": "Silas Lane",
    "city": "Oneonta",
    "addressDescription": "WWTP",
    "latitude": "-75.1024",
    "longitude": "42.44",
    "sprtkStartDischargeDatetime": "08/28/2026 03:00:00",
    "sprtkEndDischargeDatetime": "08/28/2026 05:00:00",
    "dischargeDuration": "2 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Susquehanna River",
    "quantity": "48,730 Gallons Actual",
    "treatedState": "Partially Treated with Disinfection",
    "stepsToContain": "Auxiliary influent channel open and bar screens on.",
    "additionalInstructions": "The notice sent out in the early morning of 8/28/26 ID: 2712771674263144 was closed before we could update it with the final discharge amount.",
    "geoaddress": "11 Silas Ln, Oneonta, NY 13820, USA",
    "impactedArea": "Other -",
    "dischargeReason": "Weather Conditions - Heavy Rain",
    "systemComponent": "-",
    "region": "4",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Heavy Rain",
    "sprtkAdditionalInstructions": "The notice sent out in the early morning of 8/28/26 ID: 2712771674263144 was closed before we could update it with the final discharge amount."
  },
  "_tab": "January 2026-August2026",
  "_row": 5333,
  "_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": "partially treated discharge (treated state)",
  "_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:NY0031151|11 silas lane oneonta|2026-08-28T03:00Z",
    "basis": "facility + address + start",
    "position": 2,
    "of": 2,
    "head": "ny-dec-sprtk:2712771674270383",
    "latest": "ny-dec-sprtk:2712771674288895",
    "notices": [
      {
        "id": "2712771674270383",
        "status": "New",
        "aired": "2026-08-28T00:15:44-04:00"
      },
      {
        "id": "2712771674288895",
        "status": "New",
        "aired": "2026-08-28T17:31:02-04:00"
      }
    ]
  }
}

Source: Oneonta (C) WWTP (NY DEC Sewage Pollution Right to Know), record 2712771674288895, reported Aug 28, 2026, 5:31 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.