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Service Industry Machinery, Dexter, Michigan. NPDES permit MI0045934, in force until Oct 1, 2028. Last 12 months: over a limit 2 times (last November 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Fluoride, total [as F], daily maximum | 30000 | ≤ 19500 ug/L | 54% |
| November 2025 | pH, daily minimum | 6.39 | ≥ 6.5 SU | — |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 26 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 2.2 lb/d | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily maximum | ≤ 19 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 1.6 lb/d | all year |
| Oil & Grease | daily maximum | ≤ 29 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 2.4 lb/d | all year |
| Phosphorus, total [as P] | monthly average | ≤ .5 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ .3 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year |
| Fluoride, total [as F] | daily maximum | ≤ 19500 ug/L | all year |
| Fluoride, total [as F] | daily maximum | ≤ 16 lb/d | all year |
| Copper, total [as Cu] | daily maximum | ≤ 99 ug/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ .08 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] | daily maximum | report only (ng/L) | all year |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year |
| Mercury, total [as Hg] | daily maximum | report only (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 4 Industrial and Commercial Machinery and Computer Equipment 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/MI0045934 · MCP: https://passage-data.com/mcp