Sanitary sewer overflow (SSO) reported — MACOMB STP, CITY OF SSCS, Sep 16, 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 IL0029688:9:1, reported Sep 18, 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.

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: MACOMB STP, CITY OF SSCS (federal wastewater discharge permit, NPDES, IL0029688). Outlet: not stated. Location: 40.44893, -90.67255; 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: “Kiljorden 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.

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: Sep 16, 2026, 6:00 AM CDT
Ended: Sep 16, 2026, 8:00 AM CDT
Detail provided by the source: Times known to the minute
Reported to the source: Sep 18, 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: 2,500 gallons (estimated)
Volume as reported: “2,500 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: IL0029688:9:1
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:IL0029688:9:1
Source identifier	echo-sewer-overflow
Source record number	IL0029688:9:1
Earlier version	Not provided
Type	Sanitary sewer overflow (SSO)
Status in the report	Ended (as reported)
Sewer operator identifier	Not provided
Sewer operator	MACOMB STP, CITY OF SSCS
Federal wastewater discharge permit (NPDES)	IL0029688
Outlet number	Not provided
Outlet name	Not provided
Water named in the report	Kiljorden Creek
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	40.449
Longitude	-90.673
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Sep 16, 2026, 6:00 AM CDT (2026-09-16T06:00:00-05:00)
Ended	Sep 16, 2026, 8:00 AM CDT (2026-09-16T08:00:00-05:00)
Detail provided by the source	to the minute
Reported to the source	Sep 18, 2026, 12:00 AM CDT (2026-09-18)
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	2,500
Volume as reported	2,500 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=IL0029688&sys=ICP

Original source data

{
  "permit_identifier": "IL0029688",
  "program_report_form_set_id": "9",
  "program_report_form_id": "1",
  "sewer_overflow_bypass_event_key": "27454",
  "sewer_overflow_bypass_event_id_ext": "1",
  "sewer_overflow_bypass_description_text": "MH006 between McArthur and Lafayette streets",
  "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": "40.448928",
  "longitude_measure": "-90.672550",
  "sewer_overflow_bypass_duration_hours": "2.00",
  "sewer_overflow_bypass_start_datetime": "2026-09-16 06:00:00",
  "sewer_overflow_bypass_end_datetime": "2026-09-16 08:00:00",
  "discharge_quantification_method_code": "BPJ",
  "discharge_quantification_method_desc": "Best Professional Judgement",
  "sewer_overflow_bypass_discharge_volume_gallons": "2500.00",
  "payload_id": "319973722",
  "event_transaction_type": "N",
  "program_report_received_date": "2026-09-18",
  "program_report_start_date": "2026-09-16",
  "program_report_end_date": "2026-09-16",
  "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": "CTG",
  "collection_system_owner_type_desc": "Municipality",
  "collection_system_population": "15051",
  "types": [
    "Sanitary Sewer Overflow Event"
  ],
  "receiving_waters": [
    "Kiljorden Creek"
  ],
  "impacts": [
    {
      "code": "NOI",
      "desc": "No observable impacts",
      "other": null
    }
  ],
  "causes": [
    {
      "code": "OCN",
      "desc": "Other Cause in Sewer Collection System - Not Elsewhere Specified",
      "other": "Rain event"
    }
  ],
  "corrective_actions": [
    {
      "code": "OTH",
      "desc": "Other",
      "other": "Hydro clean and televise down stream main."
    }
  ],
  "treatment": [],
  "collection_system_name": "MACOMB STP, CITY OF 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.