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Animal And Marine Fats And Oils, Blue Earth, Minnesota. NPDES permit MN0002313, in force until Dec 31, 2028. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| April 2026 | D007 | Solids, total suspended, monthly average | 48 | ≤ 30 mg/L | 60% |
| May 2026 | D008 | BOD, carbonaceous [5 day, 20 C], daily maximum | 54.4 | ≤ 50 mg/L | 9% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | quarterly maximum | report only (umho/cm) | Mar, Jun, Sep, Dec | D007 |
| Oxygen, dissolved [DO] | monthly minimum | report only (mg/L) | all year | D007 |
| pH | monthly minimum | ≥ 6 SU | all year | D007 |
| pH | monthly maximum | ≤ 9 SU | all year | D007 |
| Bicarbonate ion- [as HCO3] | quarterly maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D007 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D007 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | D007 |
| Solids, total suspended | monthly average | ≤ 62.8 kg/d | all year | D007 |
| Solids, total suspended | daily maximum | ≤ 125.6 kg/d | all year | D007 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | D007 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | D007 |
| Oil and grease, hexane extr method | monthly average | ≤ 21 kg/d | all year | D007 |
| Oil and grease, hexane extr method | daily maximum | ≤ 31.5 kg/d | all year | D007 |
| Nitrogen, total [as N] | monthly average | ≤ 134 mg/L | all year | D007 |
| Nitrogen, total [as N] | daily maximum | ≤ 194 mg/L | all year | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.8 mg/L | Oct | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 50 mg/L | Apr | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.3 mg/L | Sep | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 mg/L | Dec | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11 mg/L | May | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 33 mg/L | Mar | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | Nov | D007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 mg/L | Jun | D007 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | D007 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Mar, Apr, May, Jun, Sep, Oct, Nov, Dec | D007 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Apr, May, Jun, Sep, Oct, Nov, Dec | D007 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | D007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D007 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D007 |
| Chloride [as Cl] | quarterly maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D007 |
| Sulfate, total [as SO4] | quarterly maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D007 |
| Coliform, fecal MPN + membrane ftl 44.5 C | monthly geometric mean | ≤ 200 #/100mL | Apr–Oct | D007 |
| Coliform, fecal MPN + membrane ftl 44.5 C | daily maximum | ≤ 400 #/100mL | all year | D007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | D007 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D007 |
| Solids, total dissolved | quarterly maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D007 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | D007 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 50 mg/L | all year | D007 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 52.3 kg/d | all year | D007 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 104.7 kg/d | all year | D007 |
| Specific conductance | quarterly maximum | report only (umho/cm) | Mar, Jun, Sep, Dec | D008 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | Jan, Feb, Mar, Dec | D008 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Apr, May, Oct, Nov | D008 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Jun–Sep | D008 |
| pH | monthly minimum | ≥ 6 SU | all year | D008 |
| pH | monthly maximum | ≤ 9 SU | all year | D008 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D008 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | D008 |
| Solids, total suspended | monthly average | ≤ 62.8 kg/d | all year | D008 |
| Solids, total suspended | daily maximum | ≤ 125.6 kg/d | all year | D008 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | D008 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | D008 |
| Oil and grease, hexane extr method | monthly average | ≤ 5.7 kg/d | all year | D008 |
| Oil and grease, hexane extr method | daily maximum | ≤ 8.5 kg/d | all year | D008 |
| Nitrogen, total [as N] | monthly average | ≤ 134 mg/L | all year | D008 |
| Nitrogen, total [as N] | daily maximum | ≤ 194 mg/L | all year | D008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 31 mg/L | Jan, Feb, Mar, Dec | D008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.6 mg/L | Jun–Sep | D008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 mg/L | Oct, Nov | D008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 53 mg/L | Apr, May | D008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 17.6 kg/d | Jan, Feb, Mar, Dec | D008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.6 kg/d | Jun–Sep | D008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.8 kg/d | Oct, Nov | D008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 30.1 kg/d | Apr, May | D008 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | D008 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | D008 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | D008 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D008 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D008 |
| Phosphorus, total [as P] | monthly total | report only (kg/mo) | all year | D008 |
| Chloride [as Cl] | quarterly maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D008 |
| Coliform, fecal MPN + membrane ftl 44.5 C | monthly geometric mean | ≤ 200 #/100mL | Apr–Oct | D008 |
| Coliform, fecal MPN + membrane ftl 44.5 C | daily maximum | ≤ 400 #/100mL | all year | D008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | D008 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D008 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | D008 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 50 mg/L | all year | D008 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 14.2 kg/d | all year | D008 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 28.4 kg/d | all year | D008 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | D008 |
| Solids, total suspended | year-to-date total | ≤ 20097 kg/yr | all year | D009 |
| Phosphorus, total [as P] | monthly average | ≤ .83 kg/d | Jun–Sep | D009 |
| Phosphorus, total [as P] | annual total | ≤ 83 kg/yr | all year | D009 |
| Solids, total suspended | annual average | report only (mg/L) | all year | D011 |
| Nitrogen, ammonia total [as N] | annual average | report only (mg/L) | all year | D011 |
| BOD, carbonaceous [5 day, 20 C] | annual average | report only (mg/L) | all year | D011 |
| Chemical Oxygen Demand [COD] | annual average | report only (mg/L) | all year | D011 |
| pH | instantaneous minimum | report only (SU) | Mar, Jun, Sep, Dec | S010 |
| pH | instantaneous maximum | report only (SU) | Mar, Jun, Sep, Dec | S010 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | S010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | S010 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | S010 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | S010 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | S010 |
Cited limits by parameter: Minnesota's rules and the federal ones.
Same industry: the 28 Food and Kindred Products permits in Minnesota.
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Your permit document is the final word. As JSON: /api/v1/permits/MN0002313 · MCP: https://passage-data.com/mcp