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Combined sewer overflow (CSO) reported — Great Lakes Water Authority, Aug 30, 2026

Ended (as reported) · Michigan EGLE (MiEnviro CSO/SSO List)

Source: Michigan EGLE (MiEnviro CSO/SSO List) via EGLE MiEnviro CSO/SSO List, record 4469390740442014063-3, reported Aug 31, 2026, 2:29 PM EDT, retrieved 2026-11-04 15:09 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: Great Lakes Water Authority (federal wastewater discharge permit, NPDES, MI0022802). Outlet: 063 “Plymouth (B64); Plymouth & Rouge River”. Location: not given in the report or in the outlet records.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “Rouge River”. DirtyWaterWatch links this report to River Rouge, MI. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

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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 30, 2026, 9:27 AM EDT

Ended

Aug 30, 2026, 11:56 AM EDT

Detail provided by the source

Times known to the minute

Reported to the source

Aug 31, 2026, 2:29 PM EDT

Published

not given

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-04 15:09 UTC

What and how much

Type

Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.

Status in the record

Ended (as reported)

Material

“Diluted Raw Sewage”

Volume

30,000 gallons (not stated whether estimated or measured)

Volume as reported

“0.03 Million Gallons”

Advice from Michigan EGLE (MiEnviro CSO/SSO List)

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

Status history from this report

• Discharge or advisory reported River Rouge: Discharge reported ongoing, Aug 30, 2026, 9:27 AM EDT to Aug 30, 2026, 11:56 AM EDT
• Caution River Rouge: Within the caution period after the reported end, Aug 30, 2026, 11:56 AM EDT to Sep 2, 2026, 11:56 AM EDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-05 01:25 UTC.

Source and versions

Source

EGLE MiEnviro CSO/SSO List

Source record number

4469390740442014063-3

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "submissionId": "4469390740442014063",
  "submissionReferenceNumber": "HQR-7H94-WYAX5",
  "sectionNumber": 3,
  "submissionReceivedDate": "2026-08-31T14:29:48.2370000-04:00",
  "responsiblePartyName": "Great Lakes Water Authority",
  "siteName": "GLWA WRRF",
  "permitNumber": "MI0022802",
  "countyDescription": "Wayne",
  "countyId": "82",
  "reportStatusId": "COMPLETE",
  "reportStatusDescription": "Completed",
  "dischargeType": "CSO Discharge,CSO Discharge",
  "dischargeQuality": "Diluted Raw Sewage,Diluted Raw Sewage",
  "dischargeVolume": "0.03000 Million Gallons",
  "dischargeVolumeNumeric": 30000,
  "eventStartDate": "2026-08-30T09:27:00.0000000-04:00",
  "eventEndDate": "2026-08-30T11:56:00.0000000-04:00",
  "featureNumber": "063",
  "featureDescription": "Plymouth (B64); Plymouth & Rouge River",
  "receivingWater": "Rouge River",
  "landImpacted": null,
  "precipitationAmount": ".32",
  "precipitationType": "Rain,Rain",
  "reached_water": true
}