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Darling Ingredients Inc

Animal And Marine Fats And Oils, Wahoo, Nebraska. NPDES permit NE0000655 expired Sep 30, 2026; its limits still apply. Last 12 months: over a limit 6 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M quarterly (32 values), form Q quarterly (4 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, daily maximum> 2419 #/100mL≤ 400 #/100mL—
November 2025Coliform, fecal general, daily maximum816 #/100mL≤ 400 #/100mL104%
December 2025Coliform, fecal general, daily maximum> 2419 #/100mL≤ 400 #/100mL—
February 2026Coliform, fecal general, daily maximum> 2419 #/100mL≤ 400 #/100mL—
March 2026Coliform, fecal general, daily maximum> 2419 #/100mL≤ 400 #/100mL—
April 2026Coliform, fecal general, daily maximum> 2419 #/100mL≤ 400 #/100mL—

Limits in force (56)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 131.1 kg/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 262.1 kg/dall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 161.9 kg/dall year
Solids, total suspendeddaily maximum≤ 323.8 kg/dall year
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year
Oil and grease, hexane extr methodmonthly average≤ 77.1 kg/dall year
Oil and grease, hexane extr methoddaily maximum≤ 154.2 kg/dall year
Nitrogen, total [as N]monthly average≤ 134 mg/Lall year
Nitrogen, total [as N]daily maximum≤ 194 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 9.96 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 10.03 mg/LMar–May
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 19.98 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 20.12 mg/LMar–May
Nitrogen, ammonia total [as N]daily maximum≤ 4.01 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 8.48 kg/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 8.54 kg/dMar–May
Nitrogen, ammonia total [as N]monthly average≤ 1.7 kg/dJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 17.01 kg/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 17.13 kg/dMar–May
Nitrogen, ammonia total [as N]daily maximum≤ 3.42 kg/dJun–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Chloride [as Cl]monthly average≤ 1475 mg/LJan, Feb, Nov, Dec
Chloride [as Cl]monthly average≤ 2160 mg/LMar–May
Chloride [as Cl]monthly average≤ 1196 mg/LJun–Oct
Chloride [as Cl]daily maximum≤ 2252 mg/LJan, Feb, Nov, Dec
Chloride [as Cl]daily maximum≤ 3084 mg/LMar–May
Chloride [as Cl]daily maximum≤ 1794 mg/LJun–Oct
Chloride [as Cl]monthly average≤ 1257 kg/dJan, Feb, Nov, Dec
Chloride [as Cl]monthly average≤ 1839 kg/dMar–May
Chloride [as Cl]monthly average≤ 1018 kg/dJun–Oct
Chloride [as Cl]daily maximum≤ 1918 kg/dJan, Feb, Nov, Dec
Chloride [as Cl]daily maximum≤ 2627 kg/dMar–May
Chloride [as Cl]daily maximum≤ 1527 kg/dJun–Oct
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLMay–Sep
E. coli, MTEC-MFmaximum≤ 298 #/100mLMay–Sep
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Toxicity [acute], Ceriodaphnia dubiavalue≤ 2.04 tox acuteMar–May
Toxicity [acute], Ceriodaphnia dubiavalue≤ 1.2 tox acuteJun–Oct
Toxicity [acute], Ceriodaphnia dubiavalue≤ 1.42 tox acuteJan, Feb, Nov, Dec
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 2.04 tox acuteMar–May
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 1.2 tox acuteJun–Oct
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 1.42 tox acuteJan, Feb, Nov, Dec
Coliform, fecal generalmonthly geometric meanreport only (#/100mL)all year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year

How strict are these limits?

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

Same industry: the 11 Food and Kindred Products permits in Nebraska.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0000655 · MCP: https://passage-data.com/mcp