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Specialty Outpatient Clinics, Chesterfield Township, Michigan. NPDES permit MI0060289 expired Oct 1, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | = 3 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Oxygen, dissolved [DO] | daily minimum | = 7 mg/L | May–Nov | 001 |
| pH | daily minimum | = 6.5 SU | all year | 001 |
| pH | daily maximum | = 9 SU | all year | 001 |
| Solids, total suspended | monthly average | = 30 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Solids, total suspended | monthly average | = 20 mg/L | May–Nov | 001 |
| Solids, total suspended | 7-day average | = 45 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Solids, total suspended | daily maximum | = 30 mg/L | May–Nov | 001 |
| Solids, total suspended | monthly average | = .75 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| Solids, total suspended | monthly average | = .5 lb/d | May–Nov | 001 |
| Solids, total suspended | 7-day average | = 1.1 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| Solids, total suspended | 7-day average | = .75 lb/d | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | = 14 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | = .5 mg/L | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | = 12 mg/L | Jan, Feb, Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | = 2 mg/L | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | = .35 lb/d | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | = .01 lb/d | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | = .3 lb/d | Jan, Feb, Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Apr | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | = .05 lb/d | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | report only (lb/d) | Jan, Feb, Mar, Dec | 001 |
| Phosphorus, total [as P] | monthly average | = .5 mg/L | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | = .11 lb/d | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | = 200 #/100mL | all year | 001 |
| Coliform, fecal general | 7-day geometric mean | = 400 #/100mL | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | = 25 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | = 4 mg/L | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | = 40 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | = 10 mg/L | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | = .63 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | = .1 lb/d | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | = 1 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | = .25 lb/d | May–Nov | 001 |
| Solids, total | monthly minimum | report only (mg/kg) | all year | SLD |
| Solids, total | monthly average | report only (mg/kg) | all year | SLD |
| Solids, total | monthly maximum | report only (mg/kg) | all year | SLD |
| Arsenic, dry weight | monthly minimum | report only (mg/kg) | all year | SLD |
| Arsenic, dry weight | monthly average | report only (mg/kg) | all year | SLD |
| Arsenic, dry weight | monthly maximum | = 75 mg/kg | all year | SLD |
| Selenium, dry weight | monthly minimum | report only (mg/kg) | all year | SLD |
| Selenium, dry weight | monthly average | report only (mg/kg) | all year | SLD |
| Selenium, dry weight | monthly maximum | = 100 mg/kg | all year | SLD |
| Copper, dry weight | monthly minimum | report only (mg/kg) | all year | SLD |
| Copper, dry weight | monthly average | report only (mg/kg) | all year | SLD |
| Copper, dry weight | monthly maximum | = 4300 mg/kg | all year | SLD |
| Cadmium, dry weight | monthly minimum | report only (mg/kg) | all year | SLD |
| Cadmium, dry weight | monthly average | report only (mg/kg) | all year | SLD |
| Cadmium, dry weight | monthly maximum | = 85 mg/kg | all year | SLD |
| Nitrogen, total Kjeldahl | monthly minimum | report only (mg/kg) | all year | SLD |
| Nitrogen, total Kjeldahl | monthly average | report only (mg/kg) | all year | SLD |
| Nitrogen, total Kjeldahl | monthly maximum | report only (mg/kg) | all year | SLD |
| Molybdenum, sludge, total, dry weight [as Mo] | monthly minimum | report only (mg/kg) | all year | SLD |
| Molybdenum, sludge, total, dry weight [as Mo] | monthly average | report only (mg/kg) | all year | SLD |
| Molybdenum, sludge, total, dry weight [as Mo] | monthly maximum | = 75 mg/kg | all year | SLD |
| Zinc, sludge, total, dry weight [as Zn] | monthly minimum | report only (mg/kg) | all year | SLD |
| Zinc, sludge, total, dry weight [as Zn] | monthly average | report only (mg/kg) | all year | SLD |
| Zinc, sludge, total, dry weight [as Zn] | monthly maximum | = 7500 mg/kg | all year | SLD |
| Lead, sludge, total, dry weight [as Pb] | monthly minimum | report only (mg/kg) | all year | SLD |
| Lead, sludge, total, dry weight [as Pb] | monthly average | report only (mg/kg) | all year | SLD |
| Lead, sludge, total, dry weight [as Pb] | monthly maximum | = 840 mg/kg | all year | SLD |
| Nickel, sludge, total, dry weight [as Ni] | monthly minimum | report only (mg/kg) | all year | SLD |
| Nickel, sludge, total, dry weight [as Ni] | monthly average | report only (mg/kg) | all year | SLD |
| Nickel, sludge, total, dry weight [as Ni] | monthly maximum | = 420 mg/kg | all year | SLD |
| Nitrogen, sludge, total, dry weight [as N] | monthly minimum | report only (mg/kg) | all year | SLD |
| Nitrogen, sludge, total, dry weight [as N] | monthly average | report only (mg/kg) | all year | SLD |
| Nitrogen, sludge, total, dry weight [as N] | monthly maximum | report only (mg/kg) | all year | SLD |
| Mercury, sludge, total, dry weight [as Hg] | monthly minimum | report only (mg/kg) | all year | SLD |
| Mercury, sludge, total, dry weight [as Hg] | monthly average | report only (mg/kg) | all year | SLD |
| Mercury, sludge, total, dry weight [as Hg] | monthly maximum | = 57 mg/kg | all year | SLD |
| Potassium, sludge, total, dry weight [as K] | monthly minimum | report only (mg/kg) | all year | SLD |
| Potassium, sludge, total, dry weight [as K] | monthly average | report only (mg/kg) | all year | SLD |
| Potassium, sludge, total, dry weight [as K] | monthly maximum | report only (mg/kg) | all year | SLD |
| Phosphorus, sludge, total, dry weight [as P] | monthly minimum | report only (mg/kg) | all year | SLD |
| Phosphorus, sludge, total, dry weight [as P] | monthly average | report only (mg/kg) | all year | SLD |
| Phosphorus, sludge, total, dry weight [as P] | monthly maximum | report only (mg/kg) | all year | SLD |
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/MI0060289 · MCP: https://passage-data.com/mcp