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Darling Ingredients Inc

Prepared Feeds, Terre Hill, Pennsylvania. NPDES permit PA0082066 expired Jun 30, 2024; its limits still apply. Last 12 months: over a limit once (last October 2025), 37 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (37 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, instantaneous maximum470 #/100mL≤ 400 #/100mL18%

Limits in force (47)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 31 lb/dall year
Solids, total suspendeddaily maximum≤ 63 lb/dall year
Oil & Greasemonthly average≤ 15 mg/Lall year
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year
Oil & Greasemonthly average≤ 16 lb/dall year
Nitrogen, total [as N]monthly average≤ 50 mg/Lall year
Nitrogen, total [as N]daily maximum≤ 100 mg/Lall year
Nitrogen, total [as N]monthly average≤ 52 lb/dall year
Nitrogen, total [as N]daily maximum≤ 104 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 13.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 27 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 9 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 14 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 4.7 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 28 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 9.4 lb/dMay–Oct
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Phosphorus, total [as P]daily maximum≤ 4 mg/Lall year
Phosphorus, total [as P]monthly average≤ 2.1 lb/dall year
Phosphorus, total [as P]daily maximum≤ 4.2 lb/dall year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .5 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Bromide [as Br]daily maximumreport only (mg/L)all year
Coliform, fecal generalmonthly average≤ 200 #/100mLMay–Sep
Coliform, fecal generalmonthly averagereport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 400 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 400 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 21 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 26 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 42 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 52 lb/dJan, Feb, Mar, Apr, Nov, Dec
Osmotic pressure, total, unf whl wtrdaily maximumreport only (mOsm/kg)all year

How strict are these limits?

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

Same industry: the 74 Food and Kindred Products permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0082066 · MCP: https://passage-data.com/mcp