Treatment bypass reported — Pawling Joint Sewer Commission WWTP, Aug 3, 2026

Ended (as reported) · Pawling Joint Sewer Commission WWTP (NY DEC Sewage Pollution Right to Know)

Source: Pawling Joint Sewer Commission WWTP (NY DEC Sewage Pollution Right to Know), record 2656181185320267, reported Aug 5, 2026, 5:56 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.

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Pawling Joint Sewer Commission WWTP (federal wastewater discharge permit, NPDES, NY0165891). Outlet: not stated. Location: 41.57380, -73.59400; 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: “The Great Swamp”. 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: Aug 3, 2026, 6:00 AM EDT
Ended: Aug 4, 2026, 12:00 AM EDT
Detail provided by the source: Times known to the minute
Reported to the source: Aug 5, 2026, 5:56 AM EDT
Published: Aug 5, 2026, 5:56 AM EDT
Source last updated: not given
Last retrieved by DirtyWaterWatch: 2026-11-02 20:40 UTC

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: 500,000 gallons (estimated)
Volume as reported: “500,000 Gallons Estimated”

Advice from Pawling Joint Sewer Commission 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: 2656181185320267
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:2656181185320267
Source identifier	ny-dec-sprtk
Source record number	2656181185320267
Earlier version	Not provided
Type	Treatment bypass
Status in the report	Ended (as reported)
Sewer operator identifier	ny-pawling-joint-sewer-commission-wwtp
Sewer operator	Pawling Joint Sewer Commission WWTP
Federal wastewater discharge permit (NPDES)	NY0165891
Outlet number	Not provided
Outlet name	Not provided
Water named in the report	The Great Swamp
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	41.574
Longitude	-73.594
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Aug 3, 2026, 6:00 AM EDT (2026-08-03T06:00:00-04:00)
Ended	Aug 4, 2026, 12:00 AM EDT (2026-08-04T00:00:00-04:00)
Detail provided by the source	to the minute
Reported to the source	Aug 5, 2026, 5:56 AM EDT (2026-08-05T05:56:20-04:00)
Published	Aug 5, 2026, 5:56 AM EDT (2026-08-05T05:56:20-04:00)
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	500,000
Volume as reported	500,000 Gallons Estimated
How volume was determined	estimated
Authority	Pawling Joint Sewer Commission 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": "2656181185320267",
    "sprtkAirDateTime": "08/05/2026 09:56:20",
    "notificationStatus": "New",
    "facilityName": "Pawling Joint Sewer Commission WWTP NY0165891",
    "facilityId": "NY0165891",
    "countyName": "Dutchess",
    "streetNumber": "37",
    "streetName": "Corbin Rd.",
    "city": "Pawling",
    "latitude": "-73.594",
    "longitude": "41.5738",
    "sprtkStartDischargeDatetime": "08/03/2026 10:00:00",
    "sprtkEndDischargeDatetime": "08/04/2026 04:00:00",
    "dischargeDuration": "27 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "The Great Swamp",
    "quantity": "500,000 Gallons Estimated",
    "treatedState": "Partially Treated with Disinfection",
    "dischargeDescription": "To prevent loss of solids and potential overflow from SBR basins was to shut the air off to the SBR basins one at a time and allow the water to pass through the facility and go through the UV/disinfection process.. We would run air on and off on another basin then shut air off and allow settle time and the switch basins and send partially treated water to disinfection then discharge.",
    "stepsToContain": "Treated the incoming water as best as possible due to the extremely high flow entering the facility.",
    "geoaddress": "37 Corbin Rd, Pawling, NY 12564, USA",
    "impactedArea": "Fishing Area -",
    "dischargeReason": "Weather Conditions - Extremely high flow",
    "systemComponent": "-",
    "region": "3",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Extremely high flow"
  },
  "_tab": "January 2026-August2026",
  "_row": 4898,
  "_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)",
  "_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:NY0165891|37 corbin rd pawling|2026-08-03T10:00Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 1,
    "head": "ny-dec-sprtk:2656181185320267",
    "latest": "ny-dec-sprtk:2656181185320267",
    "notices": [
      {
        "id": "2656181185320267",
        "status": "New",
        "aired": "2026-08-05T05:56:20-04:00"
      }
    ]
  }
}

Staff names, email addresses and phone numbers are removed from source data before it is stored.