Treatment bypass reported — Thompson (T) Emerald Green / Lake Louise Marid STP, Jul 28, 2026

Ongoing (as reported) · Thompson (T) Emerald Green / Lake Louise Marid STP (NY DEC Sewage Pollution Right to Know)

Source: Thompson (T) Emerald Green / Lake Louise Marid STP (NY DEC Sewage Pollution Right to Know), record 2637592566705465, reported Jul 28, 2026, 11:31 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.

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Thompson (T) Emerald Green / Lake Louise Marid STP (federal wastewater discharge permit, NPDES, NY0035645). Outlet: “Tertiary Filter”. Location: 41.61830, -74.58670; 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: “McKee Brook”. 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: Jul 28, 2026, 9:45 PM EDT
Ended: ongoing, as last reported
Detail provided by the source: Times known to the minute
Reported to the source: Jul 28, 2026, 11:31 PM EDT
Published: Jul 28, 2026, 11:31 PM 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: Ongoing (as reported)
Material: “Partially Treated with Disinfection”
Volume: “700 Gallons per Minute Actual” (estimated)
Volume as reported: “700 Gallons per Minute Actual”

Advice from Thompson (T) Emerald Green / Lake Louise Marid STP (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: 2637592566705465
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:2637592566705465
Source identifier	ny-dec-sprtk
Source record number	2637592566705465
Earlier version	Not provided
Type	Treatment bypass
Status in the report	Ongoing (as reported)
Sewer operator identifier	ny-thompson-t-emerald-green-lake-louise-marid-stp
Sewer operator	Thompson (T) Emerald Green / Lake Louise Marid STP
Federal wastewater discharge permit (NPDES)	NY0035645
Outlet number	Not provided
Outlet name	Tertiary Filter
Water named in the report	McKee Brook
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	41.618
Longitude	-74.587
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Jul 28, 2026, 9:45 PM EDT (2026-07-28T21:45:00-04:00)
Ended	Not provided
Detail provided by the source	to the minute
Reported to the source	Jul 28, 2026, 11:31 PM EDT (2026-07-28T23:31:35-04:00)
Published	Jul 28, 2026, 11:31 PM EDT (2026-07-28T23:31:35-04:00)
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	Not provided
Volume as reported	700 Gallons per Minute Actual
How volume was determined	estimated
Authority	Thompson (T) Emerald Green / Lake Louise Marid STP (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": "2637592566705465",
    "sprtkAirDateTime": "07/29/2026 03:31:35",
    "notificationStatus": "New",
    "facilityName": "Thompson (T) Emerald Green / Lake Louise Marid STP NY0035645",
    "facilityId": "NY0035645",
    "countyName": "Sullivan",
    "streetNumber": "158",
    "streetName": "Lake Louise Marie Road",
    "city": "Rock Hill",
    "addressDescription": "Wastewater Treatment Plant",
    "latitude": "-74.5867",
    "longitude": "41.6183",
    "sprtkStartDischargeDatetime": "07/29/2026 01:45:00",
    "sprtkEndDischargeDatetime": "07/29/2026 04:00:00",
    "dischargeDuration": "Ongoing Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "McKee Brook",
    "componentDescription": "Tertiary Filter",
    "quantity": "700 Gallons per Minute Actual",
    "treatedState": "Partially Treated with Disinfection",
    "dischargeDescription": "Treated effluent with disinfection that was not filtered.",
    "stepsToContain": "Filters were bypassed to protect the integrity of the treatment works.",
    "geoaddress": "158 Lake Louise Marie Rd, Rock Hill, NY 12775, USA",
    "impactedArea": "Unknown,Unknown -",
    "dischargeReason": "System Capacity,Weather Conditions - Heavy rain and illegal sump pump discharges hydraulically overloaded the wastewater treatment plants ability to filter treated wastewater.",
    "systemComponent": "Other,Other - Tertiary Filter",
    "region": "3",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Heavy rain and illegal sump pump discharges hydraulically overloaded the wastewater treatment plants ability to filter treated wastewater."
  },
  "_tab": "January 2026-August2026",
  "_row": 4573,
  "_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": "2026-07-29T00:00:00-04:00",
  "_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": "partially treated discharge (treated state)",
  "_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:NY0035645|158 lake louise marie road rock hill|2026-07-29T01:45Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 1,
    "head": "ny-dec-sprtk:2637592566705465",
    "latest": "ny-dec-sprtk:2637592566705465",
    "notices": [
      {
        "id": "2637592566705465",
        "status": "New",
        "aired": "2026-07-28T23:31:35-04:00"
      }
    ]
  }
}

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