Combined sewer overflow (CSO) reported — Ogdensburg WWTP, Aug 3, 2026

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

Source: Ogdensburg WWTP (NY DEC Sewage Pollution Right to Know), record 2657658654031038, reported Aug 4, 2026, 11:12 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: Ogdensburg WWTP (federal wastewater discharge permit, NPDES, NY0029831). Outlet: “In river bank East of Patterson St. boat launch.”. Location: 44.70501, -75.48833; 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: “St. Lawrence”. DirtyWaterWatch links this report to St. Lawrence 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: Aug 3, 2026, 9:30 AM EDT
Ended: Aug 4, 2026, 9:30 AM EDT
Detail provided by the source: Times known to the minute
Reported to the source: Aug 4, 2026, 11:12 AM EDT
Published: Aug 4, 2026, 11:12 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: “Partially Treated with Disinfection”
Volume: 2.34 million gallons (estimated)
Volume as reported: “2,337,700 Gallons Actual”

Advice from Ogdensburg 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

Status history from this report

Caution St. Lawrence River: Within the caution period after the reported end, Aug 4, 2026, 9:30 AM EDT to Aug 7, 2026, 9:30 AM EDT

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: 2657658654031038
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: None

Record details

Record details
Record identifier	ny-dec-sprtk:2657658654031038
Source identifier	ny-dec-sprtk
Source record number	2657658654031038
Earlier version	Not provided
Type	Combined sewer overflow (CSO)
Status in the report	Ended (as reported)
Sewer operator identifier	ny-ogdensburg
Sewer operator	Ogdensburg WWTP
Federal wastewater discharge permit (NPDES)	NY0029831
Outlet number	Not provided
Outlet name	In river bank East of Patterson St. boat launch.
Water named in the report	St. Lawrence
Linked waters	st-lawrence-river-ny
How this report was linked to the water	the water named in the report
Latitude	44.705
Longitude	-75.488
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Aug 3, 2026, 9:30 AM EDT (2026-08-03T09:30:00-04:00)
Ended	Aug 4, 2026, 9:30 AM EDT (2026-08-04T09:30:00-04:00)
Detail provided by the source	to the minute
Reported to the source	Aug 4, 2026, 11:12 AM EDT (2026-08-04T11:12:54-04:00)
Published	Aug 4, 2026, 11:12 AM EDT (2026-08-04T11:12:54-04:00)
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	2,337,700
Volume as reported	2,337,700 Gallons Actual
How volume was determined	estimated
Authority	Ogdensburg 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": "2657658654031038",
    "sprtkAirDateTime": "08/04/2026 15:12:54",
    "notificationStatus": "New",
    "facilityName": "Ogdensburg WWTP",
    "facilityId": "NY0029831",
    "countyName": "St. Lawrence",
    "streetNumber": "0",
    "streetName": "Patterson Street",
    "city": "Ogdensburg",
    "addressDescription": "In river bank East of Patterson St. boat launch.",
    "latitude": "-75.48833394802396",
    "longitude": "44.705012392396085",
    "sprtkStartDischargeDatetime": "08/03/2026 13:30:00",
    "sprtkEndDischargeDatetime": "08/04/2026 13:30:00",
    "dischargeDuration": "Unknown Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "St. Lawrence",
    "quantity": "2,337,700 Gallons Actual",
    "treatedState": "Partially Treated with Disinfection",
    "stepsToContain": "Permitted CSO Discharge",
    "geoaddress": "48-52 Railroad St, Ogdensburg, NY 13669, USA",
    "impactedArea": "-",
    "dischargeReason": "Weather Conditions - Wet weather event resulting in collection system flow exceeding the treatment facility's capacity. 0.15 inches of rainfall",
    "systemComponent": "CSO Outfall -",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Wet weather event resulting in collection system flow exceeding the treatment facility's capacity. 0.15 inches of rainfall"
  },
  "_tab": "January 2026-August2026",
  "_row": 4884,
  "_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": "a CSO outfall named in the system component",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)",
    "name_notes": [
      "'st lawrence river': the water record has no bounding box, so the point could not be checked"
    ]
  },
  "_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:NY0029831|0 patterson street ogdensburg|2026-08-03T13:30Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 1,
    "head": "ny-dec-sprtk:2657658654031038",
    "latest": "ny-dec-sprtk:2657658654031038",
    "notices": [
      {
        "id": "2657658654031038",
        "status": "New",
        "aired": "2026-08-04T11:12:54-04:00"
      }
    ]
  }
}

Source: Ogdensburg WWTP (NY DEC Sewage Pollution Right to Know), record 2657658654031038, reported Aug 4, 2026, 11:12 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.