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Pulp Mills, major discharger, Filer City, Michigan. NPDES permit MI0001171, in force until Oct 1, 2027. Last 12 months: over a limit 7 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Zinc, total [as Zn], daily maximum | 11.1 | < 10 ug/L | 11% |
| November 2025 | Zinc, total [as Zn], daily maximum | 55.2 | < 10 ug/L | 452% |
| January 2026 | Zinc, total [as Zn], daily maximum | 14 | < 10 ug/L | 40% |
| February 2026 | Zinc, total [as Zn], daily maximum | 17.6 | < 10 ug/L | 76% |
| March 2026 | Zinc, total [as Zn], daily maximum | 14 | < 10 ug/L | 40% |
| April 2026 | Zinc, total [as Zn], daily maximum | 54 | < 10 ug/L | 440% |
| August 2026 | Zinc, total [as Zn], daily maximum | 17.6 | < 10 ug/L | 76% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 6299 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 12598 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 8046 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 16134 lb/d | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 7986 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 16023 lb/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 10391 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 20810 lb/d | all year | 001 |
| Phosphorus, total [as P] | monthly average | = 1 mg/L | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 70 lb/d | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | < 10 ug/L | all year | 001 |
| Toxicity, choice of species | average value | report only (tox chronic) | all year | 001 |
| Toxicity, choice of species | value | report only (tox chronic) | all year | 001 |
| Phenols | daily maximum | < 10 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 38 ug/L | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ 300 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 200 ug/L | all year | 001 |
| Spectrus CT 1300 | daily maximum | ≤ 15 ug/L | all year | 001 |
| Production divided by days operated mo. | daily geometric mean | report only (ton/d) | all year | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (ng/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (lb/d) | all year | 001 |
| Mercury, total [as Hg] | 12-month average | ≤ 10 ng/L | all year | 001 |
| Mercury, total [as Hg] | 12-month average | ≤ .00063 lb/d | all year | 001 |
| p-Cresol | daily maximum | < 25 ug/L | all year | 001 |
| Benzoic acids, total | daily maximum | < 50 ug/L | all year | 001 |
| .alpha.-Terpineol | daily maximum | < 10 ug/L | all year | 001 |
| Chlorination duration | daily maximum | report only (min/d) | all year | 001 |
| Chlorination duration | daily maximum | = 160 min/d | all year | 001 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 001 |
| Chemi-mechanical pulp | daily geometric mean | report only (ton/d) | all year | 001 |
| TU Static 24 Hr Acute Pimephales promelas | daily maximum | report only (tox acute) | all year | 001 |
| Static 48 Hr Chronic Pimphales Promelas | average value | report only (tox chronic) | all year | 001 |
| Static 48 Hr Chronic Pimphales Promelas | value | report only (tox chronic) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 003 |
| Thermal Discharge | daily maximum | report only (MBTU/hr) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 38 ug/L | all year | 003 |
| Chlorine, total residual | instantaneous maximum | = 300 ug/L | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 200 ug/L | all year | 003 |
| Chlorination duration | daily maximum | report only (min/d) | all year | 003 |
| Chlorination duration | daily maximum | = 160 min/d | all year | 003 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 003 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 009 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 009 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 009 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 009 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 6299 lb/d | all year | 009 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 12598 lb/d | all year | 009 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 009 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 009 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 8046 lb/d | all year | 009 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 16134 lb/d | all year | 009 |
| pH | daily minimum | ≥ 6.5 SU | all year | 009 |
| pH | daily maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Solids, total suspended | monthly average | ≤ 7986 lb/d | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 16023 lb/d | all year | 009 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Solids, total suspended | monthly average | ≤ 10391 lb/d | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 20810 lb/d | all year | 009 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 009 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 009 |
| Phosphorus, total [as P] | monthly average | ≤ 70 lb/d | all year | 009 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 009 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 009 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 009 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 009 |
| Zinc, total [as Zn] | daily maximum | < 10 ug/L | all year | 009 |
| Phenols | daily maximum | < 10 ug/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Chlorine, total residual | daily maximum | ≤ 38 ug/L | all year | 009 |
| Spectrus CT 1300 | daily maximum | ≤ 15 ug/L | all year | 009 |
| p-Cresol | daily maximum | < 25 ug/L | all year | 009 |
| Benzoic acids, total | daily maximum | < 50 ug/L | all year | 009 |
| .alpha.-Terpineol | daily maximum | < 10 ug/L | all year | 009 |
| Duration of discharge | annual maximum | = 120 hr | all year | 009 |
| Duration of discharge | daily maximum | report only (hr) | all year | 009 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 009 |
Cited limits by parameter: Michigan's rules and the federal ones.
Same industry: the 12 Paper and Allied Products 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/MI0001171 · MCP: https://passage-data.com/mcp