Sanitary sewer overflow (SSO) reported — PHEASANT LAKE ESTATES MHP SSCS, Aug 11, 2026

Ended (as reported) · EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators)

Source: EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators), record ILG551009:2:1, reported Aug 12, 2026, 12:00 AM CDT, retrieved 2026-11-06 08:38 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 6, 2026, 3:03 AM CST. 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: PHEASANT LAKE ESTATES MHP SSCS (federal wastewater discharge permit, NPDES, ILG551009). Outlet: not stated. Location: 41.38825, -87.65379; 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: “Tributary to ThornCreek”. 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 11, 2026, 4:00 PM CDT
Ended: Aug 11, 2026, 8:00 PM CDT
Detail provided by the source: Times known to the minute
Reported to the source: Aug 12, 2026, 12:00 AM CDT
Published: Nov 4, 2026, 12:00 AM CST
Source last updated: Nov 4, 2026, 6:21 AM CST
Last retrieved by DirtyWaterWatch: 2026-11-06 08:38 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 sewage”
Volume: 180 gallons (estimated)
Volume as reported: “180 gallons (Best Professional Judgement)”

Advice from EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators)

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: Public source
Source record number: ILG551009:2:1
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: None

Record details

Record details
Record identifier	echo-sewer-overflow:ILG551009:2:1
Source identifier	echo-sewer-overflow
Source record number	ILG551009:2:1
Earlier version	Not provided
Type	Sanitary sewer overflow (SSO)
Status in the report	Ended (as reported)
Sewer operator identifier	Not provided
Sewer operator	PHEASANT LAKE ESTATES MHP SSCS
Federal wastewater discharge permit (NPDES)	ILG551009
Outlet number	Not provided
Outlet name	Not provided
Water named in the report	Tributary to ThornCreek
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	41.388
Longitude	-87.654
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Aug 11, 2026, 4:00 PM CDT (2026-08-11T16:00:00-05:00)
Ended	Aug 11, 2026, 8:00 PM CDT (2026-08-11T20:00:00-05:00)
Detail provided by the source	to the minute
Reported to the source	Aug 12, 2026, 12:00 AM CDT (2026-08-12)
Published	Nov 4, 2026, 12:00 AM CST (2026-11-04)
Source last updated	Nov 4, 2026, 6:21 AM CST (2026-11-04T12:21:15Z)
Last retrieved by DirtyWaterWatch	Nov 6, 2026, 2:38 AM CST (2026-11-06T08:38:59Z)
Material	untreated sewage
Volume, in gallons	180
Volume as reported	180 gallons (Best Professional Judgement)
How volume was determined	estimated
Authority	EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators)
Advice	Not provided
Advice period, in hours	Not provided
Basis of the advice period	Not provided
Original notice	https://echo.epa.gov/detailed-facility-report?fid=ILG551009&sys=ICP

Original source data

{
  "permit_identifier": "ILG551009",
  "program_report_form_set_id": "2",
  "program_report_form_id": "1",
  "sewer_overflow_bypass_event_key": "27044",
  "sewer_overflow_bypass_event_id_ext": "1",
  "sewer_overflow_bypass_reporting_requirement_code": "1",
  "sewer_overflow_reporting_requirement_desc": "5-day reporting for noncompliance that may endanger health or the environment",
  "wet_weather_occurance_indicator": "Y",
  "sewer_overflow_structure_type_code": "MAN",
  "sewer_overflow_structure_type_desc": "Manhole",
  "collection_system_identifier": "001",
  "latitude_measure": "41.388250",
  "longitude_measure": "-87.653790",
  "sewer_overflow_bypass_duration_hours": "4.00",
  "sewer_overflow_bypass_start_datetime": "2026-08-11 16:00:00",
  "sewer_overflow_bypass_end_datetime": "2026-08-11 20:00:00",
  "discharge_quantification_method_code": "BPJ",
  "discharge_quantification_method_desc": "Best Professional Judgement",
  "sewer_overflow_bypass_discharge_volume_gallons": "180.00",
  "payload_id": "316230169",
  "event_transaction_type": "N",
  "program_report_received_date": "2026-08-12",
  "program_report_start_date": "2026-08-11",
  "program_report_end_date": "2026-08-11",
  "electronic_submission_type_code": "ES1",
  "electr_submission_type_desc": "EPA electronic reporting system",
  "program_report_npdes_data_group_number_code": "G9A",
  "transaction_type": "N",
  "collection_system_owner_type_code": "POF",
  "collection_system_owner_type_desc": "Privately Owned Facility",
  "collection_system_population": "2753",
  "types": [
    "Sanitary Sewer Overflow Event"
  ],
  "receiving_waters": [
    "Tributary to ThornCreek"
  ],
  "impacts": [
    {
      "code": "NOI",
      "desc": "No observable impacts",
      "other": null
    }
  ],
  "causes": [
    {
      "code": "OCE",
      "desc": "Other Cause in Sewer Collection System - Electrical Failure",
      "other": "Area wide power failures due to extreme weather event caused by storms."
    }
  ],
  "corrective_actions": [
    {
      "code": "OTH",
      "desc": "Other",
      "other": "Hook up generator and by-pass pump with vac truck until that time."
    }
  ],
  "treatment": [],
  "collection_system_name": "PHEASANT LAKE ESTATES MHP SSCS",
  "percent_collection_system_css": "0",
  "reached_water_rule": "receiving water named",
  "timezone_note": "ECHO gives event times without a timezone; read as America/Chicago, the permit's state's zone (a fall-back hour that happens twice is read as the first)",
  "report_version": "1"
}

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