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Refuse Systems, Romulus, Michigan. NPDES permit MI0058484 expired Oct 1, 2017; its limits still apply. 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 |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Carbon, tot organic [TOC] | maximum monthly average | report only (mg/L) | all year |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | monthly average | report only (ug/L) | all year |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year |
| Barium, total [as Ba] | monthly average | report only (ug/L) | all year |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | all year |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year |
| Chromium, total [as Cr] | monthly average | report only (ug/L) | all year |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year |
| Silver, total [as Ag] | monthly average | report only (ug/L) | all year |
| Silver, total [as Ag] | daily maximum | ≤ 11 ug/L | all year |
| Silver, total [as Ag] | daily maximum | ≤ .043 lb/d | all year |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year |
| Selenium, total [as Se] | daily maximum | ≤ 120 ug/L | all year |
| Selenium, total [as Se] | daily maximum | ≤ .47 lb/d | all year |
| Cyanide [A] | monthly average | report only (ug/L) | all year |
| Cyanide [A] | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrophenol | monthly average | report only (ug/L) | all year |
| 2,4-Dinitrophenol | daily maximum | ≤ 270 ug/L | all year |
| 2,4-Dinitrophenol | daily maximum | ≤ 1.1 lb/d | 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 |
| Mercury, total [as Hg] | monthly average | report only (ng/L) | all year |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year |
| Mercury, total [as Hg] | monthly average | ≤ 5 ng/L | all year |
| Mercury, total [as Hg] | monthly average | ≤ .00002 lb/d | 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.
Same industry: the 13 Refuse Systems permits in Michigan.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MI0058484 · MCP: https://passage-data.com/mcp