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Middlebury Cheese Company, LLC

Cheese, Natural And Processed, Middlebury, Indiana. NPDES permit IN0046825, in force until Mar 31, 2027. Last 12 months: over a limit 13 times (last June 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (20 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
February 2026BOD, carbonaceous [5 day, 20 C], daily maximum41.417904 lb/d≤ 39.6 lb/d5%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average17.10766 lb/d≤ 15.8 lb/d8%
April 2026E. coli, colony forming units [CFU], daily maximum2419 CFU/100mL≤ 235 CFU/100mL929%
April 2026E. coli, colony forming units [CFU], monthly geometric mean410.3333 CFU/100mL≤ 125 CFU/100mL228%
April 2026Nitrogen, ammonia total [as N], daily maximum26 mg/L≤ 3.16 mg/L723%
April 2026Nitrogen, ammonia total [as N], daily maximum26.96937 lb/d≤ 2.5 lb/d979%
April 2026Nitrogen, ammonia total [as N], monthly average6.144799 lb/d≤ 1.25 lb/d392%
April 2026Nitrogen, ammonia total [as N], monthly average6.254 mg/L≤ 1.58 mg/L296%
April 2026Oxygen, dissolved [DO], daily average minimum4.74 mg/L≥ 6 mg/L21%
June 2026Nitrogen, ammonia total [as N], daily maximum2.437 lb/d≤ 1.68 lb/d45%
June 2026Nitrogen, ammonia total [as N], daily maximum3.91 mg/L≤ 2.12 mg/L84%
June 2026Nitrogen, ammonia total [as N], monthly average.857 lb/d≤ .84 lb/d2%
June 2026Nitrogen, ammonia total [as N], monthly average1.37 mg/L≤ 1.06 mg/L29%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LJan, Feb, Mar, Apr, Dec
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LMay–Nov
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 40 mg/Lall year
Solids, total suspendeddaily maximum≤ 80 mg/Lall year
Solids, total suspendedmonthly average≤ 28.7 lb/dall year
Solids, total suspendeddaily maximum≤ 71.2 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.06 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.58 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2.12 mg/LMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 3.16 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ .84 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.25 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1.68 lb/dMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 lb/dJan, Feb, Mar, Apr, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 33 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 66 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15.8 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 39.6 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

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

Same industry: the 50 Food and Kindred Products permits in Indiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0046825 · MCP: https://passage-data.com/mcp