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Refuse Systems, Niles, Michigan. NPDES permit MI0052329, in force until Oct 1, 2027. Last 12 months: no values over a limit, 1 of 12 reports late. 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 |
| Nitrogen, ammonia total [as N] | monthly average | = 5 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | May–Sep |
| Nitrogen, ammonia total [as N] | monthly average | = 3.2 mg/L | Oct, Nov |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Oct, Nov |
| Nitrogen, ammonia total [as N] | monthly average | = 12 lb/d | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 lb/d | May–Sep |
| Nitrogen, ammonia total [as N] | monthly average | = 7.7 lb/d | Oct, Nov |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | May–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Oct, Nov |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 2.4 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 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year |
| Toxicity, choice of species | monthly average | ≤ 1.2 tox chronic | all year |
| Toxicity, choice of species | daily maximum | report only (tox chronic) | 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 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 1 tox acute | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| Ethyl ether, by gas chromatograph | daily maximum | = 5 ug/L | all year |
| Ethyl ether, by gas chromatograph | daily maximum | report only (ug/L) | all year |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year |
| TU Static 24 Hr Acute Pimephales promelas | daily maximum | ≤ 1 tox acute | all year |
| Static 48 Hr Chronic Pimphales Promelas | monthly average | ≤ 1.2 tox chronic | all year |
| Static 48 Hr Chronic Pimphales Promelas | daily maximum | report only (tox chronic) | 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/MI0052329 · MCP: https://passage-data.com/mcp