ROQUETTE AMERICA, INC.

NPDES permit IA0000256 · Major NON-POTW · effective, expires 2030-06-30 · 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

26values over a limit
42required values missing, on 11 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (13), Nickel, total [as Ni] (4), Nitrogen, ammonia total [as N] (4).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (108)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.2 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspended30DA AVG <= 12.5 lb/d all year
001Solids, total suspendedDAILY MX <= 18.8 lb/d all year
001Chlorine, total residual30DA AVG <= .393 mg/L all year
001Chlorine, total residualDAILY MX <= .393 mg/L all year
001Chlorine, total residual30DA AVG <= .638 lb/d all year
001Chlorine, total residualDAILY MX <= .638 lb/d all year
009pHDAILY MN >= 6.2 SU all year
009pHDAILY MX <= 9 SU all year
009Chlorine, total residual30DA AVG <= .393 mg/L all year
009Chlorine, total residualDAILY MX <= .393 mg/L all year
009Chlorine, total residual30DA AVG <= 58.3 lb/d all year
009Chlorine, total residualDAILY MX <= 58.3 lb/d all year
011pHDAILY MN >= 6.2 SU all year
011pHDAILY MX <= 9 SU all year
011Chlorine, total residual30DA AVG <= .393 mg/L all year
011Chlorine, total residualDAILY MX <= .393 mg/L all year
011Chlorine, total residual30DA AVG <= 11.5 lb/d all year
011Chlorine, total residualDAILY MX <= 11.5 lb/d all year
012BOD, 5-day, 20 deg. C30DA AVG <= 3908.5 lb/d all year
012BOD, 5-day, 20 deg. CDAILY MX <= 11725.5 lb/d all year
012BOD, 5-day, 20 deg. C30DA AVG report only all year
012BOD, 5-day, 20 deg. CDAILY MX report only all year
012BOD, 5-day, 20 deg. C30DA AVG report only all year
012BOD, 5-day, 20 deg. CDAILY MX report only all year
012pHDAILY MN >= 6.2 SU all year
012pHDAILY MX <= 9 SU all year
012pH30DA AVG report only all year
012pHDAILY MX report only all year
012Solids, total suspended30DA AVG <= 4690.2 lb/d all year
012Solids, total suspendedDAILY MX <= 18760.8 lb/d all year
012Solids, total suspended30DA AVG report only all year
012Solids, total suspendedDAILY MX report only all year
012Solids, total suspended30DA AVG report only all year
012Solids, total suspendedDAILY MX report only all year
012Nitrogen, total [as N]30DA AVG report only all year
012Nitrogen, total [as N]DAILY MX report only all year
012Nitrogen, total [as N]30DA AVG report only all year
012Nitrogen, total [as N]DAILY MX report only all year
012Nitrogen, ammonia total [as N]30DA AVG <= 95.4 mg/L Dec
012Nitrogen, ammonia total [as N]30DA AVG <= 94.3 mg/L Oct
012Nitrogen, ammonia total [as N]30DA AVG <= 69.8 mg/L Aug
012Nitrogen, ammonia total [as N]30DA AVG <= 77.9 mg/L Jun
012Nitrogen, ammonia total [as N]30DA AVG <= 60 mg/L Sep
012Nitrogen, ammonia total [as N]30DA AVG <= 77.9 mg/L Nov
012Nitrogen, ammonia total [as N]30DA AVG <= 76.9 mg/L May
012Nitrogen, ammonia total [as N]30DA AVG <= 140.4 mg/L Jan
012Nitrogen, ammonia total [as N]30DA AVG <= 163.9 mg/L Feb
012Nitrogen, ammonia total [as N]30DA AVG <= 77.9 mg/L Apr
012Nitrogen, ammonia total [as N]30DA AVG <= 116.2 mg/L Mar
012Nitrogen, ammonia total [as N]30DA AVG <= 83.5 mg/L Jul
012Nitrogen, ammonia total [as N]DAILY MX <= 95.4 mg/L Dec
012Nitrogen, ammonia total [as N]DAILY MX <= 94.3 mg/L Oct
012Nitrogen, ammonia total [as N]DAILY MX <= 69.8 mg/L Aug
012Nitrogen, ammonia total [as N]DAILY MX <= 77.9 mg/L Jun
012Nitrogen, ammonia total [as N]DAILY MX <= 60 mg/L Sep
012Nitrogen, ammonia total [as N]DAILY MX <= 77.9 mg/L Nov
012Nitrogen, ammonia total [as N]DAILY MX <= 76.9 mg/L May
012Nitrogen, ammonia total [as N]DAILY MX <= 140.4 mg/L Jan
012Nitrogen, ammonia total [as N]DAILY MX <= 163.9 mg/L Feb
012Nitrogen, ammonia total [as N]DAILY MX <= 77.9 mg/L Apr
012Nitrogen, ammonia total [as N]DAILY MX <= 116.2 mg/L Mar
012Nitrogen, ammonia total [as N]DAILY MX <= 83.5 mg/L Jul
012Nitrogen, ammonia total [as N]30DA AVG <= 1757 lb/d Dec
012Nitrogen, ammonia total [as N]30DA AVG <= 1711 lb/d Oct
012Nitrogen, ammonia total [as N]30DA AVG <= 1300 lb/d Aug
012Nitrogen, ammonia total [as N]30DA AVG <= 1435 lb/d Jun
012Nitrogen, ammonia total [as N]30DA AVG <= 1674 lb/d Sep
012Nitrogen, ammonia total [as N]30DA AVG <= 1435 lb/d Nov
012Nitrogen, ammonia total [as N]30DA AVG <= 1396 lb/d May
012Nitrogen, ammonia total [as N]30DA AVG <= 2584 lb/d Jan
012Nitrogen, ammonia total [as N]30DA AVG <= 2917 lb/d Feb
012Nitrogen, ammonia total [as N]30DA AVG <= 1435 lb/d Apr
012Nitrogen, ammonia total [as N]30DA AVG <= 2139 lb/d Mar
012Nitrogen, ammonia total [as N]30DA AVG <= 1529 lb/d Jul
012Nitrogen, ammonia total [as N]DAILY MX <= 1757 lb/d Dec
012Nitrogen, ammonia total [as N]DAILY MX <= 1711 lb/d Oct
012Nitrogen, ammonia total [as N]DAILY MX <= 1300 lb/d Aug
012Nitrogen, ammonia total [as N]DAILY MX <= 1435 lb/d Jun
012Nitrogen, ammonia total [as N]DAILY MX <= 1674 lb/d Sep
012Nitrogen, ammonia total [as N]DAILY MX <= 1435 lb/d Nov
012Nitrogen, ammonia total [as N]DAILY MX <= 1396 lb/d May
012Nitrogen, ammonia total [as N]DAILY MX <= 2584 lb/d Jan
012Nitrogen, ammonia total [as N]DAILY MX <= 2917 lb/d Feb
012Nitrogen, ammonia total [as N]DAILY MX <= 1435 lb/d Apr
012Nitrogen, ammonia total [as N]DAILY MX <= 2139 lb/d Mar
012Nitrogen, ammonia total [as N]DAILY MX <= 1529 lb/d Jul
012Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
012Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
012Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
012Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
012Phosphorus, total [as P]30DA AVG report only all year
012Phosphorus, total [as P]DAILY MX report only all year
012Phosphorus, total [as P]30DA AVG report only all year
012Phosphorus, total [as P]DAILY MX report only all year
012Nickel, total [as Ni]30DA AVG <= 4.172 lb/d all year
012Nickel, total [as Ni]DAILY MX <= 9.825 lb/d all year
012Phenol30DA AVG <= .069 lb/d all year
012PhenolDAILY MX <= .119 lb/d all year
012Chlorine, total residual30DA AVG <= .393 mg/L all year
012Chlorine, total residualDAILY MX <= .393 mg/L all year
012Chlorine, total residual30DA AVG <= 14 lb/d all year
012Chlorine, total residualDAILY MX <= 14 lb/d all year
012Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
012Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 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