DARLING INGREDIENTS INC

NPDES permit IN0001082 · Minor NON-POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 19 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among IN permits in EPA's filings — check your permit).

Limits in force (48)

OutfallParameterStatisticLimitMonths
002BOD, 5-day, 20 deg. CMO AVG report only Mar, Jun, Sep, Dec
002BOD, 5-day, 20 deg. CDAILY MX report only Mar, Jun, Sep, Dec
002BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L Mar, Jun, Sep, Dec
002pHDAILY MN >= 6 SU Mar, Jun, Sep, Dec
002pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
002Solids, total suspendedMO AVG report only Mar, Jun, Sep, Dec
002Solids, total suspendedDAILY MX report only Mar, Jun, Sep, Dec
002Solids, total suspendedDAILY MX <= 100 mg/L Mar, Jun, Sep, Dec
002Oil and grease, hexane extr methodMO AVG report only Mar, Jun, Sep, Dec
002Oil and grease, hexane extr methodDAILY MX report only Mar, Jun, Sep, Dec
002Nitrogen, ammonia total [as N]MO AVG report only Mar, Jun, Sep, Dec
002Nitrogen, ammonia total [as N]DAILY MX report only Mar, Jun, Sep, Dec
002Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Sep, Dec
002Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
002Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L Mar, Jun, Sep, Dec
002Phosphorus, total [as P]MO AVG report only Mar, Jun, Sep, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Jun, Sep, Dec
002Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
002Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec
002E. coli, colony forming units [CFU]GEO MEAN report only Jun, Sep, Dec
002E. coli, colony forming units [CFU]DAILY MX report only Jun, Sep, Dec
002Chemical Oxygen Demand [COD]MO AVG report only Mar, Jun, Sep, Dec
002Chemical Oxygen Demand [COD]DAILY MX report only Mar, Jun, Sep, Dec
002Chemical Oxygen Demand [COD]DAILY MX <= 120 mg/L Mar, Jun, Sep, Dec
002Flow, totalQT report only Mar, Jun, Sep, Dec
003BOD, 5-day, 20 deg. CMO AVG <= 306 mg/L all year
003BOD, 5-day, 20 deg. CDAILY MX <= 611 mg/L all year
003BOD, 5-day, 20 deg. CMO AVG <= 255 lb/d all year
003BOD, 5-day, 20 deg. CDAILY MX <= 510 lb/d all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 377 mg/L all year
003Solids, total suspendedDAILY MX <= 755 mg/L all year
003Solids, total suspendedMO AVG <= 315 lb/d all year
003Solids, total suspendedDAILY MX <= 630 lb/d all year
003Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
003Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
003Nitrogen, total [as N]MO AVG <= 134 mg/L all year
003Nitrogen, total [as N]DAILY MX <= 194 mg/L all year
003Nitrogen, ammonia total [as N]MO AVG <= 10.1 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX <= 24.2 mg/L all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL all year
003E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL all year
003Flow, totalMO TOTAL report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states