Michigan / Reports /

Sanitary sewer overflow (SSO) reported — Sault Ste. Marie MI WWTP, Aug 10, 2026

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

Source: Michigan EGLE (MiEnviro CSO/SSO List) via EGLE MiEnviro CSO/SSO List, record 2740355848003017668-3, reported Aug 11, 2026, 7:01 AM 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: Sault Ste. Marie MI WWTP (federal wastewater discharge permit, NPDES, MI0024058). Outlet: “Upper St Mary's River - 011 Previous CSO Location”. 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: “Upper St Mary's River”. DirtyWaterWatch links this report to Saint Marys River, 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 10, 2026, 1:30 PM EDT

Ended

Aug 10, 2026, 3:30 PM EDT

Detail provided by the source

Times known to the minute

Reported to the source

Aug 11, 2026, 7:01 AM EDT

Published

not given

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-04 15:09 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

“Raw Sewage”

Volume

4,500 gallons (not stated whether estimated or measured)

Volume as reported

“4500 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 Saint Marys River: Discharge reported ongoing, Aug 10, 2026, 1:30 PM EDT to Aug 10, 2026, 3:30 PM EDT
• Caution Saint Marys River: Within the caution period after the reported end, Aug 10, 2026, 3:30 PM EDT to Aug 13, 2026, 3:30 PM 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

2740355848003017668-3

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "submissionId": "2740355848003017668",
  "submissionReferenceNumber": "HQQ-QJTG-0QWK5",
  "sectionNumber": 3,
  "submissionReceivedDate": "2026-08-11T07:01:01.5500000-04:00",
  "responsiblePartyName": "Sault Ste. Marie MI WWTP",
  "siteName": "Sault Ste Marie WWTP",
  "permitNumber": "MI0024058",
  "countyDescription": "Chippewa",
  "countyId": "17",
  "reportStatusId": "COMPLETE",
  "reportStatusDescription": "Completed",
  "dischargeType": "SSO Discharge,SSO Discharge",
  "dischargeQuality": "Raw Sewage,Raw Sewage",
  "dischargeVolume": "4500.00000 Gallons",
  "dischargeVolumeNumeric": 4500,
  "eventStartDate": "2026-08-10T13:30:00.0000000-04:00",
  "eventEndDate": "2026-08-10T15:30:00.0000000-04:00",
  "featureNumber": "Upper St Mary's River",
  "featureDescription": "011 Previous CSO Location",
  "receivingWater": "Upper St Mary's River",
  "landImpacted": null,
  "precipitationAmount": null,
  "precipitationType": "None,None",
  "reached_water": true
}