Illinois / Reports /

Sanitary sewer overflow (SSO) reported, Aug 15, 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 IL0026344:1:1, reported Aug 24, 2026, 12:00 AM CDT, retrieved 2026-11-06 08:38 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: City of Galva (federal wastewater discharge permit, NPDES, IL0026344). Outlet: not stated. Location: 41.17500, -90.03500; 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: “Unnamed tributary to Edwards River”. Not linked to a mapped water. Name match too far (9.0 km) and the report's town (galva) is not among the water's towns (Andover, Burns, Cambridge, Greene).

3. Estimated downstream stretch

We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.

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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 15, 2026

Ended

Aug 15, 2026

Detail provided by the source

Times known to the day only

Reported to the source

Aug 24, 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

volume not reported (not stated whether estimated or measured)

Volume as reported

none

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

IL0026344:1:1

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "permit_identifier": "IL0026344",
  "program_report_form_set_id": "1",
  "program_report_form_id": "1",
  "sewer_overflow_bypass_event_key": "27209",
  "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",
  "latitude_measure": "41.175000",
  "longitude_measure": "-90.035000",
  "payload_id": "317491368",
  "event_transaction_type": "N",
  "program_report_received_date": "2026-08-24",
  "program_report_start_date": "2026-08-15",
  "program_report_end_date": "2026-08-15",
  "electronic_submission_type_code": "ES1",
  "electr_submission_type_desc": "EPA electronic reporting system",
  "program_report_npdes_data_group_number_code": "G9B",
  "transaction_type": "N",
  "types": [
    "Sanitary Sewer Overflow Event"
  ],
  "receiving_waters": [
    "Unnamed tributary to Edwards River"
  ],
  "impacts": [],
  "causes": [
    {
      "code": "FCS",
      "desc": "Flooding of Collection System - Hurricane or Large Stormwater Event",
      "other": null
    }
  ],
  "corrective_actions": [],
  "treatment": [],
  "collection_system_name": null,
  "percent_collection_system_css": null,
  "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",
  "extreme_event_note": "G9B extreme-event report: spills too numerous to list; times are the report period"
}