Ruveon LLC — NPDES permit IA0000205: limits, due date and EPA's record

Agricultural Chemicals, major discharger, Muscatine, Iowa. NPDES permit IA0000205, in force until Dec 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (176)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	30-day average	≤ 1614 lb/d	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 7260 lb/d	all year	001
pH	daily minimum	≥ 6 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Solids, total suspended	30-day average	≤ 1831 lb/d	all year	001
Solids, total suspended	daily maximum	≤ 6181 lb/d	all year	001
pH Range Excursion, Maximum Duration	daily maximum	≤ 60 min	all year	001
Toxicity [acute], Ceriodaphnia dubia	daily maximum	≤ 1 N=0;Y=1	all year	001
Toxicity [acute], Pimephales promelas [Fathead Minnow]	daily maximum	≤ 1 N=0;Y=1	all year	001
pH range excursions, monthly total accum	daily maximum	≤ 7.43 hr/mo	all year	001
BOD, 5-day, 20 deg. C	30-day average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	30-day average	report only (lb/d)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (lb/d)	all year	002
Oxygen demand, chem. [high level] [COD]	30-day average	≤ 17099 lb/d	all year	002
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 32070 lb/d	all year	002
pH	30-day average	report only (SU)	all year	002
pH	daily maximum	report only (SU)	all year	002
Solids, total suspended	30-day average	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	30-day average	report only (lb/d)	all year	002
Solids, total suspended	daily maximum	report only (lb/d)	all year	002
Nitrogen, total [as N]	30-day average	report only (mg/L)	all year	002
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	002
Nitrogen, total [as N]	30-day average	report only (lb/d)	all year	002
Nitrogen, total [as N]	daily maximum	report only (lb/d)	all year	002
Nitrogen, Kjeldahl, total [as N]	30-day average	report only (mg/L)	all year	002
Nitrogen, Kjeldahl, total [as N]	daily maximum	report only (mg/L)	all year	002
Nitrogen, Kjeldahl, total [as N]	30-day average	report only (lb/d)	all year	002
Nitrogen, Kjeldahl, total [as N]	daily maximum	report only (lb/d)	all year	002
Phosphorus, total [as P]	30-day average	report only (mg/L)	all year	002
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	002
Phosphorus, total [as P]	30-day average	report only (lb/d)	all year	002
Phosphorus, total [as P]	daily maximum	report only (lb/d)	all year	002
Cyanide, total [as CN]	30-day average	≤ 1.625 lb/d	all year	002
Cyanide, total [as CN]	daily maximum	≤ 4.707 lb/d	all year	002
Chromium, total [as Cr]	30-day average	≤ 1.067 lb/d	all year	002
Chromium, total [as Cr]	daily maximum	≤ 2.662 lb/d	all year	002
Copper, total [as Cu]	30-day average	≤ 1.394 lb/d	all year	002
Copper, total [as Cu]	daily maximum	≤ 3.249 lb/d	all year	002
Lead, total [as Pb]	30-day average	≤ 2.084 lb/d	all year	002
Lead, total [as Pb]	daily maximum	≤ 4.494 lb/d	all year	002
Nickel, total [as Ni]	30-day average	≤ 1.624 lb/d	all year	002
Nickel, total [as Ni]	daily maximum	≤ 3.826 lb/d	all year	002
Zinc, total [as Zn]	30-day average	≤ 1.009 lb/d	all year	002
Zinc, total [as Zn]	daily maximum	≤ 2.509 lb/d	all year	002
Acetochlor	30-day average	≤ .69 lb/d	all year	002
Acetochlor	daily maximum	≤ 2.34 lb/d	all year	002
Dichlorobromomethane	30-day average	≤ .622 lb/d	all year	002
Dichlorobromomethane	daily maximum	≤ 1.664 lb/d	all year	002
Carbon tetrachloride	30-day average	≤ .117 lb/d	all year	002
Carbon tetrachloride	daily maximum	≤ .248 lb/d	all year	002
1,2-Dichloroethane	30-day average	≤ .443 lb/d	all year	002
1,2-Dichloroethane	daily maximum	≤ 1.374 lb/d	all year	002
Bromoform	30-day average	≤ .858 lb/d	all year	002
Bromoform	daily maximum	≤ 3.477 lb/d	all year	002
Dibromochloromethane	30-day average	≤ .858 lb/d	all year	002
Dibromochloromethane	daily maximum	≤ 3.477 lb/d	all year	002
Chloroform	30-day average	≤ .137 lb/d	all year	002
Chloroform	daily maximum	≤ .3 lb/d	all year	002
Toluene	30-day average	≤ .169 lb/d	all year	002
Toluene	daily maximum	≤ .521 lb/d	all year	002
Benzene	30-day average	≤ .241 lb/d	all year	002
Benzene	daily maximum	≤ .886 lb/d	all year	002
Acenaphthylene	30-day average	≤ .021 lb/d	all year	002
Acenaphthylene	daily maximum	≤ .057 lb/d	all year	002
Acenaphthene	30-day average	≤ .021 lb/d	all year	002
Acenaphthene	daily maximum	≤ .057 lb/d	all year	002
Acrylonitrile	30-day average	≤ .092 lb/d	all year	002
Acrylonitrile	daily maximum	≤ .233 lb/d	all year	002
Anthracene	30-day average	≤ .021 lb/d	all year	002
Anthracene	daily maximum	≤ .057 lb/d	all year	002
Benzo[b]fluoranthene	30-day average	≤ .022 lb/d	all year	002
Benzo[b]fluoranthene	daily maximum	≤ .059 lb/d	all year	002
Benzo[k]fluoranthene	30-day average	≤ .021 lb/d	all year	002
Benzo[k]fluoranthene	daily maximum	≤ .057 lb/d	all year	002
Benzo[a]pyrene	30-day average	≤ .022 lb/d	all year	002
Benzo[a]pyrene	daily maximum	≤ .059 lb/d	all year	002
Chlorobenzene	30-day average	≤ .098 lb/d	all year	002
Chlorobenzene	daily maximum	≤ .182 lb/d	all year	002
Chrysene	30-day average	≤ .021 lb/d	all year	002
Chrysene	daily maximum	≤ .057 lb/d	all year	002
Diethyl phthalate	30-day average	≤ .078 lb/d	all year	002
Diethyl phthalate	daily maximum	≤ .195 lb/d	all year	002
Dimethyl phthalate	30-day average	≤ .018 lb/d	all year	002
Dimethyl phthalate	daily maximum	≤ .045 lb/d	all year	002
Ethylbenzene	30-day average	≤ .208 lb/d	all year	002
Ethylbenzene	daily maximum	≤ .703 lb/d	all year	002
Fluoranthene	30-day average	≤ .024 lb/d	all year	002
Fluoranthene	daily maximum	≤ .065 lb/d	all year	002
Fluorene	30-day average	≤ .021 lb/d	all year	002
Fluorene	daily maximum	≤ .057 lb/d	all year	002
Hexachloroethane	30-day average	≤ .02 lb/d	all year	002
Hexachloroethane	daily maximum	≤ .052 lb/d	all year	002
Methyl bromide [Bromomethane]	30-day average	≤ .622 lb/d	all year	002
Methyl bromide [Bromomethane]	daily maximum	≤ 1.664 lb/d	all year	002
Methyl chloride [Chloromethane]	30-day average	≤ .56 lb/d	all year	002
Methyl chloride [Chloromethane]	daily maximum	≤ 1.238 lb/d	all year	002
Methylene chloride	30-day average	≤ .261 lb/d	all year	002
Methylene chloride	daily maximum	≤ .58 lb/d	all year	002
Nitrobenzene	30-day average	≤ .026 lb/d	all year	002
Nitrobenzene	daily maximum	≤ .065 lb/d	all year	002
Phenanthrene	30-day average	≤ .021 lb/d	all year	002
Phenanthrene	daily maximum	≤ .057 lb/d	all year	002
Pyrene	30-day average	≤ .024 lb/d	all year	002
Pyrene	daily maximum	≤ .064 lb/d	all year	002
1,1-Dichloroethane	30-day average	≤ .021 lb/d	all year	002
1,1-Dichloroethane	daily maximum	≤ .057 lb/d	all year	002
1,1-Dichloroethylene	30-day average	≤ .104 lb/d	all year	002
1,1-Dichloroethylene	daily maximum	≤ .163 lb/d	all year	002
1,1,1-Trichloroethane	30-day average	≤ .137 lb/d	all year	002
1,1,1-Trichloroethane	daily maximum	≤ .352 lb/d	all year	002
1,1,2-Trichloroethane	30-day average	≤ .02 lb/d	all year	002
1,1,2-Trichloroethane	daily maximum	≤ .052 lb/d	all year	002
Benzo[a]anthracene	30-day average	≤ .021 lb/d	all year	002
Benzo[a]anthracene	daily maximum	≤ .057 lb/d	all year	002
1,2-Dichlorobenzene	30-day average	≤ .502 lb/d	all year	002
1,2-Dichlorobenzene	daily maximum	≤ 1.062 lb/d	all year	002
1,2-Dichloropropane	30-day average	≤ .997 lb/d	all year	002
1,2-Dichloropropane	daily maximum	≤ 1.498 lb/d	all year	002
trans-1,2-Dichloroethylene	30-day average	≤ .137 lb/d	all year	002
trans-1,2-Dichloroethylene	daily maximum	≤ .352 lb/d	all year	002
1,2,4-Trichlorobenzene	30-day average	≤ .065 lb/d	all year	002
1,2,4-Trichlorobenzene	daily maximum	≤ .135 lb/d	all year	002
1,3-Dichlorobenzene	30-day average	≤ .03 lb/d	all year	002
1,3-Dichlorobenzene	daily maximum	≤ .042 lb/d	all year	002
1,4-Dichlorobenzene	30-day average	≤ .098 lb/d	all year	002
1,4-Dichlorobenzene	daily maximum	≤ .182 lb/d	all year	002
2-Chlorophenol	30-day average	≤ .202 lb/d	all year	002
2-Chlorophenol	daily maximum	≤ .638 lb/d	all year	002
2-Nitrophenol	30-day average	≤ .039 lb/d	all year	002
2-Nitrophenol	daily maximum	≤ .066 lb/d	all year	002
2,4-Dichlorophenol	30-day average	≤ .254 lb/d	all year	002
2,4-Dichlorophenol	daily maximum	≤ .73 lb/d	all year	002
2,4-Dimethylphenol	30-day average	≤ .117 lb/d	all year	002
2,4-Dimethylphenol	daily maximum	≤ .234 lb/d	all year	002
2,4-Dinitrotoluene	30-day average	≤ .109 lb/d	all year	002
2,4-Dinitrotoluene	daily maximum	≤ .274 lb/d	all year	002
2,4-Dinitrophenol	30-day average	≤ .068 lb/d	all year	002
2,4-Dinitrophenol	daily maximum	≤ .118 lb/d	all year	002
2,6-Dinitrotoluene	30-day average	≤ .245 lb/d	all year	002
2,6-Dinitrotoluene	daily maximum	≤ .616 lb/d	all year	002
4-Nitrophenol	30-day average	≤ .069 lb/d	all year	002
4-Nitrophenol	daily maximum	≤ .119 lb/d	all year	002
4,6-Dinitro-o-cresol	30-day average	≤ .075 lb/d	all year	002
4,6-Dinitro-o-cresol	daily maximum	≤ .266 lb/d	all year	002
Phenol	30-day average	≤ .098 lb/d	all year	002
Phenol	daily maximum	≤ .169 lb/d	all year	002
Naphthalene	30-day average	≤ .143 lb/d	all year	002
Naphthalene	daily maximum	≤ .384 lb/d	all year	002
Di[2-ethylhexyl] phthalate [DEHP]	30-day average	≤ .099 lb/d	all year	002
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ .268 lb/d	all year	002
Di-n-butyl phthalate	30-day average	≤ .026 lb/d	all year	002
Di-n-butyl phthalate	daily maximum	≤ .055 lb/d	all year	002
Alachlor	30-day average	≤ .59 lb/d	all year	002
Alachlor	daily maximum	≤ 1.97 lb/d	all year	002
Vinyl chloride	30-day average	≤ .1 lb/d	all year	002
Vinyl chloride	daily maximum	≤ .258 lb/d	all year	002
Metolachlor	30-day average	≤ .62 lb/d	all year	002
Metolachlor	daily maximum	≤ 2.4 lb/d	all year	002
Hexachlorobenzene	30-day average	≤ .014 lb/d	all year	002
Hexachlorobenzene	daily maximum	≤ .027 lb/d	all year	002
Hexachlorobutadiene	30-day average	≤ .019 lb/d	all year	002
Hexachlorobutadiene	daily maximum	≤ .047 lb/d	all year	002
1,3-Dichloropropene	30-day average	≤ .189 lb/d	all year	002
1,3-Dichloropropene	daily maximum	≤ .287 lb/d	all year	002
Butachlor	30-day average	≤ .48 lb/d	all year	002
Butachlor	daily maximum	≤ 1.61 lb/d	all year	002
Tetrachloroethene	30-day average	≤ .143 lb/d	all year	002
Tetrachloroethene	daily maximum	≤ .365 lb/d	all year	002
Trichloroethene	30-day average	≤ .02 lb/d	all year	002
Trichloroethene	daily maximum	≤ .052 lb/d	all year	002
Chloroethane	30-day average	≤ .1 lb/d	all year	002
Chloroethane	daily maximum	≤ .258 lb/d	all year	002
Oil & Grease	30-day average	≤ .27 lb/d	all year	004
Oil & Grease	daily maximum	≤ .54 lb/d	all year	004

Your permit document is the final word. As JSON: /api/v1/permits/IA0000205 · MCP: https://passage-data.com/mcp