Michigan / Reports /

Sanitary sewer overflow (SSO) reported — Mason County, Oct 2, 2026

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

Source: Michigan EGLE (MiEnviro CSO/SSO List) via EGLE MiEnviro CSO/SSO List, record 6864462286739116419-2, reported Oct 2, 2026, 3:22 PM EDT, retrieved 2026-11-05 01:07 UTC · Read the original notice

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Mason County (federal wastewater discharge permit, NPDES, 3112a-0353). Outlet: “Storm Sewer in Road”. 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: “No name natural watercourse”. 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.

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

Oct 2, 2026, 1:04 AM EDT

Ended

Oct 2, 2026, 1:14 AM EDT

Detail provided by the source

Times known to the minute

Reported to the source

Oct 2, 2026, 3:22 PM EDT

Published

not given

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-05 01:07 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

“Diluted 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

Source and versions

Source

EGLE MiEnviro CSO/SSO List

Source record number

6864462286739116419-2

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "submissionId": "6864462286739116419",
  "submissionReferenceNumber": "HQS-0PXD-4GYXE",
  "sectionNumber": 2,
  "submissionReceivedDate": "2026-10-02T15:22:01.0170000-04:00",
  "responsiblePartyName": "Mason County",
  "siteName": "Amber Township CM",
  "permitNumber": "3112a-0353",
  "countyDescription": "Mason",
  "countyId": "53",
  "reportStatusId": "IN_PROCESS",
  "reportStatusDescription": "In Process",
  "dischargeType": "SSO Discharge,SSO Discharge",
  "dischargeQuality": "Diluted Raw Sewage,Diluted Raw Sewage",
  "dischargeVolume": "4500.00000 Gallons",
  "dischargeVolumeNumeric": 4500,
  "eventStartDate": "2026-10-02T01:04:00.0000000-04:00",
  "eventEndDate": "2026-10-02T01:14:00.0000000-04:00",
  "featureNumber": null,
  "featureDescription": "Storm Sewer in Road",
  "receivingWater": "No name natural watercourse",
  "landImpacted": null,
  "precipitationAmount": "1",
  "precipitationType": "Rain,Rain",
  "reached_water": true
}