Treatment bypass reported — Walden (V) WWTP, Mar 5, 2026

Ongoing (as reported) · Walden (V) WWTP (NY DEC Sewage Pollution Right to Know)

Source: Walden (V) WWTP (NY DEC Sewage Pollution Right to Know), record 2387110074057787, reported Mar 5, 2026, 7:44 PM EST, 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.

Latest conditions, not at the time of this report:At the Wallkill River at Gardiner NY gauge, 5.4 kilometres from the nearest boat launch on Wallkill River: flow 207 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 Wallkill River

Source: U.S. Geological Survey via Water Data for the Nation, gauge 01371500, 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: Walden (V) WWTP (federal wastewater discharge permit, NPDES, NY0030490). Outlet: not stated. Location: 41.57040, -74.19250; 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: “Wallkill river”. DirtyWaterWatch links this report to Wallkill 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.

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: Mar 5, 2026, 8:15 PM EST
Ended: ongoing, as last reported
Detail provided by the source: Times known to the minute
Reported to the source: Mar 5, 2026, 7:44 PM EST
Published: Mar 5, 2026, 7:44 PM EST
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: Ongoing (as reported)
Material: “Partially Treated without Disinfection”
Volume: “100-150gpm Gallons per Minute Estimated” (estimated)
Volume as reported: “100-150gpm Gallons per Minute Estimated”

Advice from Walden (V) 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: 2387110074057787
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: version 2

Record details

Record details
Record identifier	ny-dec-sprtk:2387110074057787
Source identifier	ny-dec-sprtk
Source record number	2387110074057787
Earlier version	Not provided
Type	Treatment bypass
Status in the report	Ongoing (as reported)
Sewer operator identifier	ny-walden-v-wwtp
Sewer operator	Walden (V) WWTP
Federal wastewater discharge permit (NPDES)	NY0030490
Outlet number	Not provided
Outlet name	Not provided
Water named in the report	Wallkill river
Linked waters	wallkill-river-ny
How this report was linked to the water	the water named in the report
Latitude	41.57
Longitude	-74.193
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Mar 5, 2026, 8:15 PM EST (2026-03-05T20:15:00-05:00)
Ended	Not provided
Detail provided by the source	to the minute
Reported to the source	Mar 5, 2026, 7:44 PM EST (2026-03-05T19:44:09-05:00)
Published	Mar 5, 2026, 7:44 PM EST (2026-03-05T19:44:09-05:00)
Source last updated	Not provided
Last retrieved by DirtyWaterWatch	Nov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
Material	Partially Treated without Disinfection
Volume, in gallons	Not provided
Volume as reported	100-150gpm Gallons per Minute Estimated
How volume was determined	estimated
Authority	Walden (V) 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": "2387110074057787",
    "sprtkAirDateTime": "03/06/2026 00:44:09",
    "notificationStatus": "New",
    "facilityName": "Walden (V) WWTP NY0030490",
    "facilityId": "NY0030490",
    "countyName": "Orange",
    "streetNumber": "99",
    "streetName": "Bradley Lane",
    "city": "Walden",
    "latitude": "-74.1925",
    "longitude": "41.5704",
    "sprtkStartDischargeDatetime": "03/06/2026 01:15:00",
    "sprtkEndDischargeDatetime": "03/06/2026 15:00:00",
    "dischargeDuration": "on going during rain event Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Wallkill river",
    "quantity": "100-150gpm Gallons per Minute Estimated",
    "treatedState": "Partially Treated without Disinfection",
    "stepsToContain": "Ensure pumps are operating at full capacity",
    "geoaddress": "99 Bradley Ln, Walden, NY 12586, USA",
    "impactedArea": "-",
    "dischargeReason": "System Capacity,Weather Conditions - plant flow is four times the design which caused primary tanks to breech their walls as the vault pumps are at capacity",
    "systemComponent": "-",
    "region": "3",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "plant flow is four times the design which caused primary tanks to breech their walls as the vault pumps are at capacity"
  },
  "_tab": "January 2026-August2026",
  "_row": 678,
  "_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": "2026-03-06T10:00:00-05:00",
  "_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": "partially treated discharge (treated state)",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)"
  },
  "_volume_note": "a rate, not a volume; 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:NY0030490|99 bradley lane walden|2026-03-06T01:15Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 2,
    "head": "ny-dec-sprtk:2387110074057787",
    "latest": "ny-dec-sprtk:2397005678644913"
  }
}

Source: Walden (V) WWTP (NY DEC Sewage Pollution Right to Know), record 2387110074057787, reported Mar 5, 2026, 7:44 PM EST, 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.