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Michigan Sugar Company

Beet Sugar, major discharger, Croswell, Michigan. NPDES permit MI0002542 expired Oct 1, 2018; its limits still apply. Last 12 months: over a limit once (last March 2026), 1 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Last report on file
April 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 6 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
March 2026TU Static 24 Hr Acute Pimephales promelas, daily maximum1.1≤ 1 tox acute10%

Limits in force (55)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg FJan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]daily minimum≥ 6 mg/LJan, Feb, Mar, Apr, Nov, Dec
pHdaily minimum≥ 6.5 SUJan, Feb, Mar, Apr, Nov, Dec
pHdaily maximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 3100 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 4600 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Apr
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Nov
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 44 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 54 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 9.6 mg/LNov
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Apr
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Mar
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Nov
Nitrogen, ammonia total [as N]monthly average≤ 270 lb/dJan, Feb, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 620 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 760 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 140 lb/dNov
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Dec
Phosphorus, total [as P]monthly average≤ 1 mg/LJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]monthly average≤ 14 lb/dJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Toxicity, choice of speciesmonthly average≤ 1.5 tox chronicJan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteJan, Feb, Mar, Apr, Nov, Dec
Solids, total dissolvedmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total dissolveddaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total dissolvedmonthly averagereport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total dissolveddaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal generaldaily maximum≤ 400 #/100mLJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jan, Feb, Dec
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Apr
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Nov
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Mar
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 130 mg/LJan, Feb, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 89 mg/LApr
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 44 mg/LNov
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 260 mg/LMar
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jan, Feb, Dec
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Apr
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3100 lb/dMar
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1800 lb/dJan, Feb, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1300 lb/dApr
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 620 lb/dNov
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 3700 lb/dMar
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)Jan, Feb, Mar, Apr, Nov, Dec
TU Static 24 Hr Acute Pimephales promelasdaily maximum≤ 1 tox acuteJan, Feb, Mar, Apr, Nov, Dec
Static 48 Hr Chronic Pimphales Promelasmonthly average≤ 1.5 tox chronicJan, Feb, Mar, Apr, Nov, Dec

How strict are these limits?

Cited limits by parameter: Michigan's rules and the federal ones.

Same industry: the 26 Food and Kindred 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/MI0002542 · MCP: https://passage-data.com/mcp