NPDES permit IA0000205 · Major NON-POTW · effective, expires 2028-12-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
Reports are due about 15 days after each monitoring period ends (the most common figure among IA permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 1614 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 7260 lb/d | all year |
| 001 | pH | DAILY MN | >= 6 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 1831 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 6181 lb/d | all year |
| 001 | pH Range Excursion, Maximum Duration | DAILY MX | <= 60 min | all year |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 N=0;Y=1 | all year |
| 001 | Toxicity [acute], Pimephales promelas [Fathead Minnow] | DAILY MX | <= 1 N=0;Y=1 | all year |
| 001 | pH range excursions, monthly total accum | DAILY MX | <= 7.43 hr/mo | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | 30DA AVG | <= 17099 lb/d | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 32070 lb/d | all year |
| 002 | Cyanide, total [as CN] | 30DA AVG | <= 1.625 lb/d | all year |
| 002 | Cyanide, total [as CN] | DAILY MX | <= 4.707 lb/d | all year |
| 002 | Chromium, total [as Cr] | 30DA AVG | <= 1.067 lb/d | all year |
| 002 | Chromium, total [as Cr] | DAILY MX | <= 2.662 lb/d | all year |
| 002 | Copper, total [as Cu] | 30DA AVG | <= 1.394 lb/d | all year |
| 002 | Copper, total [as Cu] | DAILY MX | <= 3.249 lb/d | all year |
| 002 | Lead, total [as Pb] | 30DA AVG | <= 2.084 lb/d | all year |
| 002 | Lead, total [as Pb] | DAILY MX | <= 4.494 lb/d | all year |
| 002 | Nickel, total [as Ni] | 30DA AVG | <= 1.624 lb/d | all year |
| 002 | Nickel, total [as Ni] | DAILY MX | <= 3.826 lb/d | all year |
| 002 | Zinc, total [as Zn] | 30DA AVG | <= 1.009 lb/d | all year |
| 002 | Zinc, total [as Zn] | DAILY MX | <= 2.509 lb/d | all year |
| 002 | Acetochlor | 30DA AVG | <= .69 lb/d | all year |
| 002 | Acetochlor | DAILY MX | <= 2.34 lb/d | all year |
| 002 | Dichlorobromomethane | 30DA AVG | <= .622 lb/d | all year |
| 002 | Dichlorobromomethane | DAILY MX | <= 1.664 lb/d | all year |
| 002 | Carbon tetrachloride | 30DA AVG | <= .117 lb/d | all year |
| 002 | Carbon tetrachloride | DAILY MX | <= .248 lb/d | all year |
| 002 | 1,2-Dichloroethane | 30DA AVG | <= .443 lb/d | all year |
| 002 | 1,2-Dichloroethane | DAILY MX | <= 1.374 lb/d | all year |
| 002 | Bromoform | 30DA AVG | <= .858 lb/d | all year |
| 002 | Bromoform | DAILY MX | <= 3.477 lb/d | all year |
| 002 | Dibromochloromethane | 30DA AVG | <= .858 lb/d | all year |
| 002 | Dibromochloromethane | DAILY MX | <= 3.477 lb/d | all year |
| 002 | Chloroform | 30DA AVG | <= .137 lb/d | all year |
| 002 | Chloroform | DAILY MX | <= .3 lb/d | all year |
| 002 | Toluene | 30DA AVG | <= .169 lb/d | all year |
| 002 | Toluene | DAILY MX | <= .521 lb/d | all year |
| 002 | Benzene | 30DA AVG | <= .241 lb/d | all year |
| 002 | Benzene | DAILY MX | <= .886 lb/d | all year |
| 002 | Acenaphthylene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Acenaphthylene | DAILY MX | <= .057 lb/d | all year |
| 002 | Acenaphthene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Acenaphthene | DAILY MX | <= .057 lb/d | all year |
| 002 | Acrylonitrile | 30DA AVG | <= .092 lb/d | all year |
| 002 | Acrylonitrile | DAILY MX | <= .233 lb/d | all year |
| 002 | Anthracene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Anthracene | DAILY MX | <= .057 lb/d | all year |
| 002 | Benzo[b]fluoranthene | 30DA AVG | <= .022 lb/d | all year |
| 002 | Benzo[b]fluoranthene | DAILY MX | <= .059 lb/d | all year |
| 002 | Benzo[k]fluoranthene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Benzo[k]fluoranthene | DAILY MX | <= .057 lb/d | all year |
| 002 | Benzo[a]pyrene | 30DA AVG | <= .022 lb/d | all year |
| 002 | Benzo[a]pyrene | DAILY MX | <= .059 lb/d | all year |
| 002 | Chlorobenzene | 30DA AVG | <= .098 lb/d | all year |
| 002 | Chlorobenzene | DAILY MX | <= .182 lb/d | all year |
| 002 | Chrysene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Chrysene | DAILY MX | <= .057 lb/d | all year |
| 002 | Diethyl phthalate | 30DA AVG | <= .078 lb/d | all year |
| 002 | Diethyl phthalate | DAILY MX | <= .195 lb/d | all year |
| 002 | Dimethyl phthalate | 30DA AVG | <= .018 lb/d | all year |
| 002 | Dimethyl phthalate | DAILY MX | <= .045 lb/d | all year |
| 002 | Ethylbenzene | 30DA AVG | <= .208 lb/d | all year |
| 002 | Ethylbenzene | DAILY MX | <= .703 lb/d | all year |
| 002 | Fluoranthene | 30DA AVG | <= .024 lb/d | all year |
| 002 | Fluoranthene | DAILY MX | <= .065 lb/d | all year |
| 002 | Fluorene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Fluorene | DAILY MX | <= .057 lb/d | all year |
| 002 | Hexachloroethane | 30DA AVG | <= .02 lb/d | all year |
| 002 | Hexachloroethane | DAILY MX | <= .052 lb/d | all year |
| 002 | Methyl bromide [Bromomethane] | 30DA AVG | <= .622 lb/d | all year |
| 002 | Methyl bromide [Bromomethane] | DAILY MX | <= 1.664 lb/d | all year |
| 002 | Methyl chloride [Chloromethane] | 30DA AVG | <= .56 lb/d | all year |
| 002 | Methyl chloride [Chloromethane] | DAILY MX | <= 1.238 lb/d | all year |
| 002 | Methylene chloride | 30DA AVG | <= .261 lb/d | all year |
| 002 | Methylene chloride | DAILY MX | <= .58 lb/d | all year |
| 002 | Nitrobenzene | 30DA AVG | <= .026 lb/d | all year |
| 002 | Nitrobenzene | DAILY MX | <= .065 lb/d | all year |
| 002 | Phenanthrene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Phenanthrene | DAILY MX | <= .057 lb/d | all year |
| 002 | Pyrene | 30DA AVG | <= .024 lb/d | all year |
| 002 | Pyrene | DAILY MX | <= .064 lb/d | all year |
| 002 | 1,1-Dichloroethane | 30DA AVG | <= .021 lb/d | all year |
| 002 | 1,1-Dichloroethane | DAILY MX | <= .057 lb/d | all year |
| 002 | 1,1-Dichloroethylene | 30DA AVG | <= .104 lb/d | all year |
| 002 | 1,1-Dichloroethylene | DAILY MX | <= .163 lb/d | all year |
| 002 | 1,1,1-Trichloroethane | 30DA AVG | <= .137 lb/d | all year |
| 002 | 1,1,1-Trichloroethane | DAILY MX | <= .352 lb/d | all year |
| 002 | 1,1,2-Trichloroethane | 30DA AVG | <= .02 lb/d | all year |
| 002 | 1,1,2-Trichloroethane | DAILY MX | <= .052 lb/d | all year |
| 002 | Benzo[a]anthracene | 30DA AVG | <= .021 lb/d | all year |
| 002 | Benzo[a]anthracene | DAILY MX | <= .057 lb/d | all year |
| 002 | 1,2-Dichlorobenzene | 30DA AVG | <= .502 lb/d | all year |
| 002 | 1,2-Dichlorobenzene | DAILY MX | <= 1.062 lb/d | all year |
| 002 | 1,2-Dichloropropane | 30DA AVG | <= .997 lb/d | all year |
| 002 | 1,2-Dichloropropane | DAILY MX | <= 1.498 lb/d | all year |
| 002 | trans-1,2-Dichloroethylene | 30DA AVG | <= .137 lb/d | all year |
| 002 | trans-1,2-Dichloroethylene | DAILY MX | <= .352 lb/d | all year |
| 002 | 1,2,4-Trichlorobenzene | 30DA AVG | <= .065 lb/d | all year |
| 002 | 1,2,4-Trichlorobenzene | DAILY MX | <= .135 lb/d | all year |
| 002 | 1,3-Dichlorobenzene | 30DA AVG | <= .03 lb/d | all year |
| 002 | 1,3-Dichlorobenzene | DAILY MX | <= .042 lb/d | all year |
| 002 | 1,4-Dichlorobenzene | 30DA AVG | <= .098 lb/d | all year |
| 002 | 1,4-Dichlorobenzene | DAILY MX | <= .182 lb/d | all year |
| 002 | 2-Chlorophenol | 30DA AVG | <= .202 lb/d | all year |
| 002 | 2-Chlorophenol | DAILY MX | <= .638 lb/d | all year |
| 002 | 2-Nitrophenol | 30DA AVG | <= .039 lb/d | all year |
| 002 | 2-Nitrophenol | DAILY MX | <= .066 lb/d | all year |
| 002 | 2,4-Dichlorophenol | 30DA AVG | <= .254 lb/d | all year |
| 002 | 2,4-Dichlorophenol | DAILY MX | <= .73 lb/d | all year |
| 002 | 2,4-Dimethylphenol | 30DA AVG | <= .117 lb/d | all year |
| 002 | 2,4-Dimethylphenol | DAILY MX | <= .234 lb/d | all year |
| 002 | 2,4-Dinitrotoluene | 30DA AVG | <= .109 lb/d | all year |
| 002 | 2,4-Dinitrotoluene | DAILY MX | <= .274 lb/d | all year |
| 002 | 2,4-Dinitrophenol | 30DA AVG | <= .068 lb/d | all year |
| 002 | 2,4-Dinitrophenol | DAILY MX | <= .118 lb/d | all year |
| 002 | 2,6-Dinitrotoluene | 30DA AVG | <= .245 lb/d | all year |
| 002 | 2,6-Dinitrotoluene | DAILY MX | <= .616 lb/d | all year |
| 002 | 4-Nitrophenol | 30DA AVG | <= .069 lb/d | all year |
| 002 | 4-Nitrophenol | DAILY MX | <= .119 lb/d | all year |
| 002 | 4,6-Dinitro-o-cresol | 30DA AVG | <= .075 lb/d | all year |
| 002 | 4,6-Dinitro-o-cresol | DAILY MX | <= .266 lb/d | all year |
| 002 | Phenol | 30DA AVG | <= .098 lb/d | all year |
| 002 | Phenol | DAILY MX | <= .169 lb/d | all year |
| 002 | Naphthalene | 30DA AVG | <= .143 lb/d | all year |
| 002 | Naphthalene | DAILY MX | <= .384 lb/d | all year |
| 002 | Di[2-ethylhexyl] phthalate [DEHP] | 30DA AVG | <= .099 lb/d | all year |
| 002 | Di[2-ethylhexyl] phthalate [DEHP] | DAILY MX | <= .268 lb/d | all year |
| 002 | Di-n-butyl phthalate | 30DA AVG | <= .026 lb/d | all year |
| 002 | Di-n-butyl phthalate | DAILY MX | <= .055 lb/d | all year |
| 002 | Alachlor | 30DA AVG | <= .59 lb/d | all year |
| 002 | Alachlor | DAILY MX | <= 1.97 lb/d | all year |
| 002 | Vinyl chloride | 30DA AVG | <= .1 lb/d | all year |
| 002 | Vinyl chloride | DAILY MX | <= .258 lb/d | all year |
| 002 | Metolachlor | 30DA AVG | <= .62 lb/d | all year |
| 002 | Metolachlor | DAILY MX | <= 2.4 lb/d | all year |
| 002 | Hexachlorobenzene | 30DA AVG | <= .014 lb/d | all year |
| 002 | Hexachlorobenzene | DAILY MX | <= .027 lb/d | all year |
| 002 | Hexachlorobutadiene | 30DA AVG | <= .019 lb/d | all year |
| 002 | Hexachlorobutadiene | DAILY MX | <= .047 lb/d | all year |
| 002 | 1,3-Dichloropropene | 30DA AVG | <= .189 lb/d | all year |
| 002 | 1,3-Dichloropropene | DAILY MX | <= .287 lb/d | all year |
| 002 | Butachlor | 30DA AVG | <= .48 lb/d | all year |
| 002 | Butachlor | DAILY MX | <= 1.61 lb/d | all year |
| 002 | Tetrachloroethene | 30DA AVG | <= .143 lb/d | all year |
| 002 | Tetrachloroethene | DAILY MX | <= .365 lb/d | all year |
| 002 | Trichloroethene | 30DA AVG | <= .02 lb/d | all year |
| 002 | Trichloroethene | DAILY MX | <= .052 lb/d | all year |
| 002 | Chloroethane | 30DA AVG | <= .1 lb/d | all year |
| 002 | Chloroethane | DAILY MX | <= .258 lb/d | all year |
| 004 | Oil & Grease | 30DA AVG | <= .27 lb/d | all year |
| 004 | Oil & Grease | DAILY MX | <= .54 lb/d | 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