Cargill Corn Milling North America - Blair — NPDES permit NE0131334: limits, due date and EPA's record

Industrial Organic Chemicals, major discharger, Blair, Nebraska. NPDES permit NE0131334, in force until Jun 30, 2030. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

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

Period ending	Parameter	Reported	Limit	Over by
June 2026	Chlorine, total residual, daily maximum	.13 mg/L	≤ .019 mg/L	584%
June 2026	Chlorine, total residual, monthly average	.0825 mg/L	≤ .011 mg/L	650%

Limits in force (216)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	monthly average	report only (deg F)	all year	001
Temperature, water deg. fahrenheit	daily maximum	≤ 105 deg F	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 4424 kg/d	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 12881 kg/d	all year	001
pH	daily minimum	≥ 6.5 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	monthly average	≤ 5616 kg/d	all year	001
Solids, total suspended	daily maximum	≤ 17186 kg/d	all year	001
Nitrogen, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 35.85 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 26.07 mg/L	Mar–May	001
Nitrogen, ammonia total [as N]	monthly average	≤ 35.3 mg/L	Jun–Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 89.25 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 51.07 mg/L	Mar–May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 72.3 mg/L	Jun–Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1044.5 kg/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 712.32 kg/d	Mar–May	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1029.58 kg/d	Jun–Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 2600.4 kg/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 1395.41 kg/d	Mar–May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 2423.45 kg/d	Jun–Oct	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Cyanide, total [as CN]	monthly average	≤ 420 ug/L	all year	001
Cyanide, total [as CN]	daily maximum	≤ 1200 ug/L	all year	001
Chloride [as Cl]	monthly average	report only (mg/L)	all year	001
Chloride [as Cl]	daily maximum	report only (mg/L)	all year	001
Chloride [as Cl]	monthly average	report only (kg/d)	all year	001
Chloride [as Cl]	daily maximum	report only (kg/d)	all year	001
Sulfate, total [as SO4]	monthly average	report only (mg/L)	all year	001
Sulfate, total [as SO4]	daily maximum	report only (mg/L)	all year	001
Arsenic, total [as As]	monthly average	report only (mg/L)	all year	001
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	001
Chromium, total [as Cr]	monthly average	≤ 1110 ug/L	all year	001
Chromium, total [as Cr]	daily maximum	≤ 2770 ug/L	all year	001
Copper, total [as Cu]	monthly average	≤ 1450 ug/L	all year	001
Copper, total [as Cu]	daily maximum	≤ 3380 ug/L	all year	001
Lead, total [as Pb]	monthly average	≤ 320 ug/L	all year	001
Lead, total [as Pb]	daily maximum	≤ 690 ug/L	all year	001
Nickel, total [as Ni]	monthly average	≤ 1690 ug/L	all year	001
Nickel, total [as Ni]	daily maximum	≤ 3980 ug/L	all year	001
Zinc, total [as Zn]	monthly average	≤ 1050 ug/L	all year	001
Zinc, total [as Zn]	daily maximum	≤ 2610 ug/L	all year	001
Carbon tetrachloride	monthly average	≤ 18 ug/L	all year	001
Carbon tetrachloride	daily maximum	≤ 38 ug/L	all year	001
1,2-Dichloroethane	monthly average	≤ 68 ug/L	all year	001
1,2-Dichloroethane	daily maximum	≤ 211 ug/L	all year	001
Chloroform	monthly average	≤ 21 ug/L	all year	001
Chloroform	daily maximum	≤ 46 ug/L	all year	001
Toluene	monthly average	≤ 26 ug/L	all year	001
Toluene	daily maximum	≤ 80 ug/L	all year	001
Benzene	monthly average	≤ 37 ug/L	all year	001
Benzene	daily maximum	≤ 136 ug/L	all year	001
Acenaphthylene	monthly average	≤ 22 ug/L	all year	001
Acenaphthylene	daily maximum	≤ 59 ug/L	all year	001
Acenaphthene	monthly average	≤ 22 ug/L	all year	001
Acenaphthene	daily maximum	≤ 59 ug/L	all year	001
Acrylonitrile	monthly average	≤ 96 ug/L	all year	001
Acrylonitrile	daily maximum	≤ 242 ug/L	all year	001
Anthracene	monthly average	≤ 22 ug/L	all year	001
Anthracene	daily maximum	≤ 59 ug/L	all year	001
Benzo[k]fluoranthene	monthly average	≤ 22 ug/L	all year	001
Benzo[k]fluoranthene	daily maximum	≤ 59 ug/L	all year	001
Benzo[a]pyrene	monthly average	≤ 23 ug/L	all year	001
Benzo[a]pyrene	daily maximum	≤ 61 ug/L	all year	001
Chlorobenzene	monthly average	≤ 15 ug/L	all year	001
Chlorobenzene	daily maximum	≤ 28 ug/L	all year	001
Chrysene	monthly average	≤ 22 ug/L	all year	001
Chrysene	daily maximum	≤ 59 ug/L	all year	001
Diethyl phthalate	monthly average	≤ 81 ug/L	all year	001
Diethyl phthalate	daily maximum	≤ 203 ug/L	all year	001
Dimethyl phthalate	monthly average	≤ 19 ug/L	all year	001
Dimethyl phthalate	daily maximum	≤ 47 ug/L	all year	001
Ethylbenzene	monthly average	≤ 32 ug/L	all year	001
Ethylbenzene	daily maximum	≤ 108 ug/L	all year	001
Fluoranthene	monthly average	≤ 25 ug/L	all year	001
Fluoranthene	daily maximum	≤ 68 ug/L	all year	001
Fluorene	monthly average	≤ 22 ug/L	all year	001
Fluorene	daily maximum	≤ 59 ug/L	all year	001
Hexachloroethane	monthly average	≤ 21 ug/L	all year	001
Hexachloroethane	daily maximum	≤ 54 ug/L	all year	001
Methyl chloride [Chloromethane]	monthly average	≤ 86 ug/L	all year	001
Methyl chloride [Chloromethane]	daily maximum	≤ 190 ug/L	all year	001
Methylene chloride	monthly average	≤ 40 ug/L	all year	001
Methylene chloride	daily maximum	≤ 89 ug/L	all year	001
Nitrobenzene	monthly average	≤ 27 ug/L	all year	001
Nitrobenzene	daily maximum	≤ 68 ug/L	all year	001
Phenanthrene	monthly average	≤ 22 ug/L	all year	001
Phenanthrene	daily maximum	≤ 59 ug/L	all year	001
Pyrene	monthly average	≤ 25 ug/L	all year	001
Pyrene	daily maximum	≤ 67 ug/L	all year	001
1,1-Dichloroethane	monthly average	≤ 22 ug/L	all year	001
1,1-Dichloroethane	daily maximum	≤ 59 ug/L	all year	001
1,1-Dichloroethylene	monthly average	≤ 16 ug/L	all year	001
1,1-Dichloroethylene	daily maximum	≤ 25 ug/L	all year	001
1,1,1-Trichloroethane	monthly average	≤ 21 ug/L	all year	001
1,1,1-Trichloroethane	daily maximum	≤ 54 ug/L	all year	001
1,1,2-Trichloroethane	monthly average	≤ 21 ug/L	all year	001
1,1,2-Trichloroethane	daily maximum	≤ 54 ug/L	all year	001
Benzo[a]anthracene	monthly average	≤ 22 ug/L	all year	001
Benzo[a]anthracene	daily maximum	≤ 59 ug/L	all year	001
1,2-Dichlorobenzene	monthly average	≤ 77 ug/L	all year	001
1,2-Dichlorobenzene	daily maximum	≤ 163 ug/L	all year	001
1,2-Dichloropropane	monthly average	≤ 153 ug/L	all year	001
1,2-Dichloropropane	daily maximum	≤ 230 ug/L	all year	001
trans-1,2-Dichloroethylene	monthly average	≤ 21 ug/L	all year	001
trans-1,2-Dichloroethylene	daily maximum	≤ 54 ug/L	all year	001
1,2,4-Trichlorobenzene	monthly average	≤ 68 ug/L	all year	001
1,2,4-Trichlorobenzene	daily maximum	≤ 140 ug/L	all year	001
1,3-Dichlorobenzene	monthly average	≤ 31 ug/L	all year	001
1,3-Dichlorobenzene	daily maximum	≤ 44 ug/L	all year	001
1,4-Dichlorobenzene	monthly average	≤ 15 ug/L	all year	001
1,4-Dichlorobenzene	daily maximum	≤ 28 ug/L	all year	001
2-Chlorophenol	monthly average	≤ 31 ug/L	all year	001
2-Chlorophenol	daily maximum	≤ 98 ug/L	all year	001
2-Nitrophenol	monthly average	≤ 41 ug/L	all year	001
2-Nitrophenol	daily maximum	≤ 69 ug/L	all year	001
2,4-Dichlorophenol	monthly average	≤ 39 ug/L	all year	001
2,4-Dichlorophenol	daily maximum	≤ 112 ug/L	all year	001
2,4-Dimethylphenol	monthly average	≤ 18 ug/L	all year	001
2,4-Dimethylphenol	daily maximum	≤ 36 ug/L	all year	001
2,4-Dinitrotoluene	monthly average	≤ 113 ug/L	all year	001
2,4-Dinitrotoluene	daily maximum	≤ 285 ug/L	all year	001
2,4-Dinitrophenol	monthly average	≤ 71 ug/L	all year	001
2,4-Dinitrophenol	daily maximum	≤ 123 ug/L	all year	001
2,6-Dinitrotoluene	monthly average	≤ 255 ug/L	all year	001
2,6-Dinitrotoluene	daily maximum	≤ 641 ug/L	all year	001
4-Nitrophenol	monthly average	≤ 72 ug/L	all year	001
4-Nitrophenol	daily maximum	≤ 124 ug/L	all year	001
4,6-Dinitro-o-cresol	monthly average	≤ 78 ug/L	all year	001
4,6-Dinitro-o-cresol	daily maximum	≤ 277 ug/L	all year	001
Phenol	monthly average	≤ 15 ug/L	all year	001
Phenol	daily maximum	≤ 26 ug/L	all year	001
Naphthalene	monthly average	≤ 22 ug/L	all year	001
Naphthalene	daily maximum	≤ 59 ug/L	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	monthly average	≤ 103 ug/L	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 279 ug/L	all year	001
Di-n-butyl phthalate	monthly average	≤ 27 ug/L	all year	001
Di-n-butyl phthalate	daily maximum	≤ 57 ug/L	all year	001
Vinyl chloride	monthly average	≤ 104 ug/L	all year	001
Vinyl chloride	daily maximum	≤ 268 ug/L	all year	001
Trichloroethylene	monthly average	≤ 21 ug/L	all year	001
Trichloroethylene	daily maximum	≤ 54 ug/L	all year	001
Hexachlorobenzene	monthly average	≤ 15 ug/L	all year	001
Hexachlorobenzene	daily maximum	≤ 28 ug/L	all year	001
Hexachlorobutadiene	monthly average	≤ 20 ug/L	all year	001
Hexachlorobutadiene	daily maximum	≤ 49 ug/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	monthly average	≤ .2 mg/L	Mar–May	001
Chlorine, total residual	monthly average	≤ .3 mg/L	Jun–Oct	001
Chlorine, total residual	monthly average	≤ .2 mg/L	Jan, Feb, Nov, Dec	001
Chlorine, total residual	daily maximum	≤ .54 mg/L	Mar–May	001
Chlorine, total residual	daily maximum	≤ .77 mg/L	Jun–Oct	001
Chlorine, total residual	daily maximum	≤ .57 mg/L	Jan, Feb, Nov, Dec	001
1,3-Dichloropropylene	monthly average	≤ 29 ug/L	all year	001
1,3-Dichloropropylene	daily maximum	≤ 44 ug/L	all year	001
Toxicity [acute], Ceriodaphnia dubia	daily maximum	≤ 8.23 tox acute	Jan, Feb, Nov, Dec	001
Toxicity [acute], Ceriodaphnia dubia	daily maximum	≤ 8.33 tox acute	Mar–May	001
Toxicity [acute], Ceriodaphnia dubia	daily maximum	≤ 11.74 tox acute	Jun–Oct	001
Toxicity [acute], Pimephales promelas [Fathead Minnow]	daily maximum	≤ 8.33 tox acute	Mar–May	001
Toxicity [acute], Pimephales promelas [Fathead Minnow]	daily maximum	≤ 11.74 tox acute	Jun–Oct	001
Toxicity [acute], Pimephales promelas [Fathead Minnow]	daily maximum	≤ 8.23 tox acute	Jan, Feb, Nov, Dec	001
3,4-Benzofluoranthene	monthly average	≤ 23 ug/L	all year	001
3,4-Benzofluoranthene	daily maximum	≤ 61 ug/L	all year	001
Chloroethane	monthly average	≤ 104 ug/L	all year	001
Chloroethane	daily maximum	≤ 268 ug/L	all year	001
Tetrachloroethylene	monthly average	≤ 27 ug/L	all year	001
Tetrachloroethylene	daily maximum	≤ 56 ug/L	all year	001
Temperature, water deg. fahrenheit	monthly average	report only (deg F)	all year	002
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	all year	002
Conductivity	monthly average	report only (umho/cm)	all year	002
Conductivity	daily maximum	report only (umho/cm)	all year	002
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
pH	daily minimum	≥ 6.5 SU	all year	002
pH	daily maximum	≤ 9 SU	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	002
Carbon, tot organic [TOC]	monthly average	report only (mg/L)	all year	002
Carbon, tot organic [TOC]	daily maximum	report only (mg/L)	all year	002
Chloride [as Cl]	monthly average	report only (mg/L)	all year	002
Chloride [as Cl]	daily maximum	report only (mg/L)	all year	002
Chloride [as Cl]	monthly average	report only (kg/d)	all year	002
Chloride [as Cl]	daily maximum	report only (kg/d)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Chlorine, total residual	monthly average	≤ .011 mg/L	all year	002
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year	002
Chemical Oxygen Demand [COD]	monthly average	report only (mg/L)	all year	002
Chemical Oxygen Demand [COD]	daily maximum	report only (mg/L)	all year	002
Temperature, water deg. fahrenheit	monthly average	report only (deg F)	all year	003
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	all year	003
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	003
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	003
pH	daily minimum	≥ 6.5 SU	all year	003
pH	daily maximum	≤ 9 SU	all year	003
Solids, total suspended	monthly average	report only (mg/L)	all year	003
Solids, total suspended	daily maximum	report only (mg/L)	all year	003
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	003
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	003
Carbon, tot organic [TOC]	monthly average	report only (mg/L)	all year	003
Carbon, tot organic [TOC]	daily maximum	report only (mg/L)	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Chlorine, total residual	monthly average	≤ .011 mg/L	all year	003
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year	003
Chemical Oxygen Demand [COD]	monthly average	report only (mg/L)	all year	003
Chemical Oxygen Demand [COD]	daily maximum	report only (mg/L)	all year	003

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/NE0131334 · MCP: https://passage-data.com/mcp