Sanitary sewer overflow (SSO) reported — Big Sister Creek WWTP - ECSD #2, Jun 14, 2026

Ended (as reported) · Big Sister Creek WWTP - ECSD #2 (NY DEC Sewage Pollution Right to Know)

Source: Big Sister Creek WWTP - ECSD #2 (NY DEC Sewage Pollution Right to Know), record 2560695472443978, reported Jun 15, 2026, 5:19 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: Big Sister Creek WWTP - ECSD #2 (federal wastewater discharge permit, NPDES, NY0022543). Outlet: “Manhole#212128”. Location: 42.71010, -78.96540; 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: “Eighteen Mile Creek”. 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: Jun 14, 2026, 4:58 PM EDT
Ended: Jun 14, 2026, 11:43 PM EDT
Detail provided by the source: Times known to the minute
Reported to the source: Jun 15, 2026, 5:19 AM EDT
Published: Jun 15, 2026, 5:19 AM EDT
Source last updated: not given
Last retrieved by DirtyWaterWatch: 2026-11-02 20:40 UTC

What and how much

Type: Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
Status in the record: Ended (as reported)
Material: “Untreated”
Volume: 243,000 gallons (estimated)
Volume as reported: “243,000 Gallons Estimated”

Advice from Big Sister Creek WWTP - ECSD #2 (NY DEC Sewage Pollution Right to Know)

“Event ended on 6/14/26 at 11:43 pm with an estimated total discharge volume of 243,000 gallons.”
Big Sister Creek WWTP - ECSD #2 (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

Source and versions

Source: NY DEC Sewage Pollution Right to Know
Source record number: 2560695472443978
Original notice: Read the original notice
Earlier version: Read the earlier version
Later versions: None

Record details

Record details
Record identifier	ny-dec-sprtk:2560695472443978
Source identifier	ny-dec-sprtk
Source record number	2560695472443978
Earlier version	ny-dec-sprtk:2560695472432729
Type	Sanitary sewer overflow (SSO)
Status in the report	Ended (as reported)
Sewer operator identifier	ny-big-sister-creek-wwtp-ecsd-2
Sewer operator	Big Sister Creek WWTP - ECSD #2
Federal wastewater discharge permit (NPDES)	NY0022543
Outlet number	Not provided
Outlet name	Manhole#212128
Water named in the report	Eighteen Mile Creek
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	42.71
Longitude	-78.965
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Jun 14, 2026, 4:58 PM EDT (2026-06-14T16:58:00-04:00)
Ended	Jun 14, 2026, 11:43 PM EDT (2026-06-14T23:43:00-04:00)
Detail provided by the source	to the minute
Reported to the source	Jun 15, 2026, 5:19 AM EDT (2026-06-15T05:19:44-04:00)
Published	Jun 15, 2026, 5:19 AM EDT (2026-06-15T05:19:44-04:00)
Source last updated	Not provided
Last retrieved by DirtyWaterWatch	Nov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
Material	Untreated
Volume, in gallons	243,000
Volume as reported	243,000 Gallons Estimated
How volume was determined	estimated
Authority	Big Sister Creek WWTP - ECSD #2 (NY DEC Sewage Pollution Right to Know)
Advice	Event ended on 6/14/26 at 11:43 pm with an estimated total discharge volume of 243,000 gallons.
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": "2560695472443978",
    "sprtkAirDateTime": "06/15/2026 09:19:44",
    "notificationStatus": "Close",
    "facilityName": "Big Sister Creek WWTP - ECSD  #2 NY0022543",
    "facilityId": "NY0022543",
    "countyName": "Erie",
    "streetNumber": "6413",
    "streetName": "Lake Shore Rd",
    "city": "Derby",
    "addressDescription": "Manhole#212128",
    "latitude": "-78.9654",
    "longitude": "42.7101",
    "sprtkStartDischargeDatetime": "06/14/2026 20:58:00",
    "sprtkEndDischargeDatetime": "06/15/2026 03:43:00",
    "dischargeDuration": "6.75 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Eighteen Mile Creek",
    "componentDescription": "Manhole#212128",
    "quantity": "243,000 Gallons Estimated",
    "treatedState": "Untreated",
    "dischargeDescription": "Sanitary sewer overflow. Event ended on 6/14/26 at 11:43 pm with an estimated total discharge volume of 243,000 gallons.",
    "stepsToContain": "Maximize flow through treatment plant.",
    "additionalInstructions": "Event ended on 6/14/26 at 11:43 pm with an estimated total discharge volume of 243,000 gallons.",
    "geoaddress": "6413 Lake Shore Rd, Derby, NY 14047, USA",
    "impactedArea": "Unknown -",
    "dischargeReason": "Weather Conditions - Heavy rainfall",
    "systemComponent": "Manhole - Manhole#212128",
    "region": "9",
    "sprtkDischargeWaterFlow": "Overland Flow",
    "sprtkExplanation": "Heavy rainfall",
    "sprtkAdditionalInstructions": "Event ended on 6/14/26 at 11:43 pm with an estimated total discharge volume of 243,000 gallons."
  },
  "_tab": "January 2026-August2026",
  "_row": 3675,
  "_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": "untreated discharge from a collection-system component",
  "_chain": {
    "id": "key:NY0022543|6413 lake shore rd derby|2026-06-14T20:58Z",
    "basis": "facility + address + start",
    "position": 2,
    "of": 2,
    "head": "ny-dec-sprtk:2560695472432729",
    "latest": "ny-dec-sprtk:2560695472443978",
    "notices": [
      {
        "id": "2560695472432729",
        "status": "New",
        "aired": "2026-06-14T17:21:43-04:00"
      },
      {
        "id": "2560695472443978",
        "status": "Close",
        "aired": "2026-06-15T05:19:44-04:00"
      }
    ]
  }
}

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