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Sewerage Systems, Mount Morris, Michigan. NPDES permit MI0060329, in force until Oct 1, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | = 6.5 SU | all year |
| pH | daily maximum | = 9 SU | all year |
| Chloride [as Cl] | daily maximum | report only (ug/L) | all year |
| Sulfate, total [as SO4] | daily maximum | report only (ug/L) | all year |
| Equipment inspection - visual | value | report only (N=0;Y=1) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Perfluorooctanoic acid (PFOA) | daily maximum | = 40 ng/L | all year |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonate | monthly average | = 12 ng/L | all year |
| Perfluorooctanesulfonate | daily maximum | = 15 ng/L | all year |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | = 250 ng/L | all year |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year |
Cited limits by parameter: Michigan's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MI0060329 · MCP: https://passage-data.com/mcp