Combined sewer overflow (CSO) reported — Milk River Intercounty Drainage Board, Sep 3, 2026
Ended (as reported) · Michigan EGLE (MiEnviro CSO/SSO List)
Source: Michigan EGLE (MiEnviro CSO/SSO List) via EGLE MiEnviro CSO/SSO List, record 7977228784938794143-3, reported Sep 3, 2026, 5:03 AM EDT, retrieved 2026-11-04 15:09 UTC · Read the original notice
Current status from this report
This report does not set a map status as of Nov 4, 2026, 8:25 PM EST. 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: Milk River Intercounty Drainage Board (federal wastewater discharge permit, NPDES, MI0025500). Outlet: 001 “Milk River”. Location: 42.45056, -82.88889; location source: EPA wastewater outlet records (the report gives no location).
Outfall: a pipe or outlet where wastewater enters a water body.
Source: EPA ECHO wastewater outlet records, permit MI0025500, outlet 001. Location linked by DirtyWaterWatch.
2. Waters named in the notice
The notice names: “Lake St. Clair”. DirtyWaterWatch links this report to Lake Saint Clair, MI. Match basis: the water named in the report.
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.
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
- Ended
- Detail provided by the source
- Times known to the minute
- Reported to the source
- Published
- not given
- Source last updated
- not given
- Last retrieved by DirtyWaterWatch
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
- “(retention treatment basin discharge: combined sewage given partial treatment)”
- Volume
- 33.4 million gallons (not stated whether estimated or measured)
- Volume as reported
- “33.4 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 Lake Saint Clair: Discharge reported ongoing, Sep 3, 2026, 3:36 AM EDT to Sep 3, 2026, 6:26 PM EDT
- Caution Lake Saint Clair: Within the caution period after the reported end, Sep 3, 2026, 6:26 PM EDT to Sep 7, 2026, 6:26 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
- 7977228784938794143-3
- Original notice
- Read the original notice
- Earlier version
- None: this is the first record
- Later versions
- None
Record details
| Record identifier | mi-egle-mienviro-cso-sso-list:7977228784938794143-3 |
|---|---|
| Source identifier | mi-egle-mienviro-cso-sso-list |
| Source record number | 7977228784938794143-3 |
| Earlier version | Not provided |
| Type | Combined sewer overflow (CSO) |
| Status in the report | Ended (as reported) |
| Sewer operator identifier | mi-milk-river-cso-rtb-mi0025500 |
| Sewer operator | Milk River Intercounty Drainage Board |
| Federal wastewater discharge permit (NPDES) | MI0025500 |
| Outlet number | 001 |
| Outlet name | Milk River |
| Water named in the report | Lake St. Clair |
| Linked waters | lake-saint-clair-mi |
| How this report was linked to the water | the water named in the report |
| Latitude | Not provided |
| Longitude | Not provided |
| Location source | Not provided |
| Location accuracy, in metres | Not provided |
| Started | Sep 3, 2026, 3:36 AM EDT (2026-09-03T03:36:00-04:00) |
| Ended | Sep 3, 2026, 6:26 PM EDT (2026-09-03T18:26:00-04:00) |
| Detail provided by the source | to the minute |
| Reported to the source | Sep 3, 2026, 5:03 AM EDT (2026-09-03T05:03:01-04:00) |
| Published | Not provided |
| Source last updated | Not provided |
| Last retrieved by DirtyWaterWatch | Nov 4, 2026, 10:09 AM EST (2026-11-04T15:09:15Z) |
| Material | (retention treatment basin discharge: combined sewage given partial treatment) |
| Volume, in gallons | 33,400,000 |
| Volume as reported | 33.4 Million Gallons |
| How volume was determined | not stated whether estimated or measured |
| Authority | Michigan EGLE (MiEnviro CSO/SSO List) |
| Advice | Not provided |
| Advice period, in hours | Not provided |
| Basis of the advice period | Not provided |
| Original notice | https://mienviro.michigan.gov/ncore/ss/ssolist?queryParams=%7B%22filter%22%3A%5B%7B%22submissionId%22%3A%227977228784938794143%22%7D%5D%2C%22top%22%3A50%7D |
Original source data
{
"submissionId": "7977228784938794143",
"submissionReferenceNumber": "HQR-9K1K-AFQMP",
"sectionNumber": 3,
"submissionReceivedDate": "2026-09-03T05:03:01.1530000-04:00",
"responsiblePartyName": "Milk River Intercounty Drainage Board",
"siteName": "Milk River CSO RTB",
"permitNumber": "MI0025500",
"countyDescription": "Macomb",
"countyId": "50",
"reportStatusId": "COMPLETE",
"reportStatusDescription": "Completed",
"dischargeType": "RTB Discharge,RTB Discharge",
"dischargeQuality": "RTB,RTB",
"dischargeVolume": "33.40000 Million Gallons",
"dischargeVolumeNumeric": 33400000,
"eventStartDate": "2026-09-03T03:36:00.0000000-04:00",
"eventEndDate": "2026-09-03T18:26:00.0000000-04:00",
"featureNumber": "001",
"featureDescription": "Milk River",
"receivingWater": "Lake St. Clair",
"landImpacted": null,
"precipitationAmount": "2.80",
"precipitationType": "Rain,Rain",
"reached_water": true
} Staff names, email addresses and phone numbers are removed from source data before it is stored.