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Industrial Inorganic Chemicals, major discharger, Axis, Alabama. NPDES permit AL0001961 expired Mar 31, 2026; its limits still apply. Last 12 months: no values over a limit, 1 of 53 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | Apr–Oct | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Apr–Oct | 001 |
| Cyanide, total [as CN] | daily maximum | report only (lb/d) | all year | 001 |
| Thiocyanate [as SCN] | monthly average | report only (lb/d) | all year | 001 |
| Thiocyanate [as SCN] | daily maximum | report only (lb/d) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 001 |
| Carbon tetrachloride | monthly average | report only (lb/d) | all year | 001 |
| Carbon tetrachloride | daily maximum | report only (lb/d) | 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 |
| Toxicity [acute], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | all year | 001 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 001 |
| Carbon disulfide | monthly average | report only (lb/d) | all year | 001 |
| Carbon disulfide | daily maximum | report only (lb/d) | all year | 001 |
| Thiocarbamates | daily maximum | report only (lb/d) | all year | 001 |
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Thiocyanate [as SCN] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 002 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 006 |
| pH | daily maximum | report only (SU) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Thiocyanate [as SCN] | daily maximum | report only (mg/L) | all year | 006 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 006 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 006 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 006 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 006 |
| pH | daily minimum | report only (SU) | all year | 008 |
| pH | daily maximum | report only (SU) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 008 |
| Thiocyanate [as SCN] | daily maximum | report only (mg/L) | all year | 008 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 008 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 008 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 008 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 008 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 008 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 008 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 008 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 008 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 008 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 67 lb/d | all year | 01A |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 126.9 lb/d | all year | 01A |
| pH | daily minimum | ≥ 6 SU | all year | 01A |
| pH | daily maximum | ≤ 9 SU | all year | 01A |
| Solids, total suspended | monthly average | ≤ 185 lb/d | all year | 01A |
| Solids, total suspended | daily maximum | ≤ 485 lb/d | all year | 01A |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year | 01A |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Apr–Oct | 01A |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | Apr–Oct | 01A |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Apr–Oct | 01A |
| Cyanide, total [as CN] | daily maximum | report only (lb/d) | all year | 01A |
| Thiocyanate [as SCN] | monthly average | report only (lb/d) | all year | 01A |
| Thiocyanate [as SCN] | daily maximum | report only (lb/d) | all year | 01A |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 01A |
| Chromium, total [as Cr] | monthly average | ≤ 3.543 lb/d | all year | 01A |
| Chromium, total [as Cr] | daily maximum | ≤ 8.841 lb/d | all year | 01A |
| Copper, total [as Cu] | monthly average | ≤ 4.628 lb/d | all year | 01A |
| Copper, total [as Cu] | daily maximum | ≤ 10.78 lb/d | all year | 01A |
| Lead, total [as Pb] | monthly average | ≤ 1.021 lb/d | all year | 01A |
| Lead, total [as Pb] | daily maximum | ≤ 2.202 lb/d | all year | 01A |
| Nickel, total [as Ni] | monthly average | ≤ 5.394 lb/d | all year | 01A |
| Nickel, total [as Ni] | daily maximum | ≤ 12.7 lb/d | all year | 01A |
| Zinc, total [as Zn] | monthly average | ≤ 3.351 lb/d | all year | 01A |
| Zinc, total [as Zn] | daily maximum | ≤ 8.33 lb/d | all year | 01A |
| Carbon tetrachloride | monthly average | ≤ .101 lb/d | all year | 01A |
| Carbon tetrachloride | daily maximum | ≤ .269 lb/d | all year | 01A |
| 1,2-Dichloroethane | monthly average | ≤ .128 lb/d | all year | 01A |
| 1,2-Dichloroethane | daily maximum | ≤ .407 lb/d | all year | 01A |
| Chloroform | monthly average | ≤ .079 lb/d | all year | 01A |
| Chloroform | daily maximum | ≤ .23 lb/d | all year | 01A |
| Toluene | monthly average | ≤ .02 lb/d | all year | 01A |
| Toluene | daily maximum | ≤ .052 lb/d | all year | 01A |
| Benzene | monthly average | ≤ .04 lb/d | all year | 01A |
| Benzene | daily maximum | ≤ .095 lb/d | all year | 01A |
| Acenaphthylene | monthly average | ≤ .013 lb/d | all year | 01A |
| Acenaphthylene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Acenaphthene | monthly average | ≤ .013 lb/d | all year | 01A |
| Acenaphthene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Acrylonitrile | monthly average | ≤ .067 lb/d | all year | 01A |
| Acrylonitrile | daily maximum | ≤ .164 lb/d | all year | 01A |
| Anthracene | monthly average | ≤ .013 lb/d | all year | 01A |
| Anthracene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Benzo[k]fluoranthene | monthly average | ≤ .013 lb/d | all year | 01A |
| Benzo[k]fluoranthene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Benzo[a]pyrene | monthly average | ≤ .014 lb/d | all year | 01A |
| Benzo[a]pyrene | daily maximum | ≤ .034 lb/d | all year | 01A |
| Chlorobenzene | monthly average | ≤ .101 lb/d | all year | 01A |
| Chlorobenzene | daily maximum | ≤ .269 lb/d | all year | 01A |
| Chrysene | monthly average | ≤ .013 lb/d | all year | 01A |
| Chrysene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Diethyl phthalate | monthly average | ≤ .033 lb/d | all year | 01A |
| Diethyl phthalate | daily maximum | ≤ .08 lb/d | all year | 01A |
| Dimethyl phthalate | monthly average | ≤ .013 lb/d | all year | 01A |
| Dimethyl phthalate | daily maximum | ≤ .033 lb/d | all year | 01A |
| Ethylbenzene | monthly average | ≤ .101 lb/d | all year | 01A |
| Ethylbenzene | daily maximum | ≤ .269 lb/d | all year | 01A |
| Fluoranthene | monthly average | ≤ .016 lb/d | all year | 01A |
| Fluoranthene | daily maximum | ≤ .038 lb/d | all year | 01A |
| Fluorene | monthly average | ≤ .013 lb/d | all year | 01A |
| Fluorene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Hexachloroethane | monthly average | ≤ .139 lb/d | all year | 01A |
| Hexachloroethane | daily maximum | ≤ .563 lb/d | all year | 01A |
| Methyl chloride [Chloromethane] | monthly average | ≤ .078 lb/d | all year | 01A |
| Methyl chloride [Chloromethane] | daily maximum | ≤ .209 lb/d | all year | 01A |
| Methylene chloride | monthly average | ≤ .026 lb/d | all year | 01A |
| Methylene chloride | daily maximum | ≤ .121 lb/d | all year | 01A |
| Nitrobenzene | monthly average | ≤ 1.586 lb/d | all year | 01A |
| Nitrobenzene | daily maximum | ≤ 4.538 lb/d | all year | 01A |
| Phenanthrene | monthly average | ≤ .013 lb/d | all year | 01A |
| Phenanthrene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Pyrene | monthly average | ≤ .014 lb/d | all year | 01A |
| Pyrene | daily maximum | ≤ .034 lb/d | all year | 01A |
| Tetrachloroethylene | monthly average | ≤ .037 lb/d | all year | 01A |
| Tetrachloroethylene | daily maximum | ≤ .116 lb/d | all year | 01A |
| 1,1-Dichloroethane | monthly average | ≤ .016 lb/d | all year | 01A |
| 1,1-Dichloroethane | daily maximum | ≤ .042 lb/d | all year | 01A |
| 1,1-Dichloroethylene | monthly average | ≤ .016 lb/d | all year | 01A |
| 1,1-Dichloroethylene | daily maximum | ≤ .043 lb/d | all year | 01A |
| 1,1,1-Trichloroethane | monthly average | ≤ .016 lb/d | all year | 01A |
| 1,1,1-Trichloroethane | daily maximum | ≤ .042 lb/d | all year | 01A |
| 1,1,2-Trichloroethane | monthly average | ≤ .023 lb/d | all year | 01A |
| 1,1,2-Trichloroethane | daily maximum | ≤ .09 lb/d | all year | 01A |
| Benzo[a]anthracene | monthly average | ≤ .013 lb/d | all year | 01A |
| Benzo[a]anthracene | daily maximum | ≤ .033 lb/d | all year | 01A |
| 1,2-Dichlorobenzene | monthly average | ≤ .139 lb/d | all year | 01A |
| 1,2-Dichlorobenzene | daily maximum | ≤ .563 lb/d | all year | 01A |
| 1,2-Dichloropropane | monthly average | ≤ .139 lb/d | all year | 01A |
| 1,2-Dichloropropane | daily maximum | ≤ .563 lb/d | all year | 01A |
| trans-1,2-Dichloroethylene | monthly average | ≤ .018 lb/d | all year | 01A |
| trans-1,2-Dichloroethylene | daily maximum | ≤ .047 lb/d | all year | 01A |
| 1,2,4-Trichlorobenzene | monthly average | ≤ .139 lb/d | all year | 01A |
| 1,2,4-Trichlorobenzene | daily maximum | ≤ .563 lb/d | all year | 01A |
| 1,3-Dichlorobenzene | monthly average | ≤ .101 lb/d | all year | 01A |
| 1,3-Dichlorobenzene | daily maximum | ≤ .269 lb/d | all year | 01A |
| 1,4-Dichlorobenzene | monthly average | ≤ .101 lb/d | all year | 01A |
| 1,4-Dichlorobenzene | daily maximum | ≤ .269 lb/d | all year | 01A |
| 2-Nitrophenol | monthly average | ≤ .046 lb/d | all year | 01A |
| 2-Nitrophenol | daily maximum | ≤ .164 lb/d | all year | 01A |
| 2,4-Dimethylphenol | monthly average | ≤ .013 lb/d | all year | 01A |
| 2,4-Dimethylphenol | daily maximum | ≤ .033 lb/d | all year | 01A |
| 2,4-Dinitrophenol | monthly average | ≤ .856 lb/d | all year | 01A |
| 2,4-Dinitrophenol | daily maximum | ≤ 3.042 lb/d | all year | 01A |
| 4-Nitrophenol | monthly average | ≤ .115 lb/d | all year | 01A |
| 4-Nitrophenol | daily maximum | ≤ .408 lb/d | all year | 01A |
| 4,6-Dinitro-o-cresol | monthly average | ≤ .055 lb/d | all year | 01A |
| 4,6-Dinitro-o-cresol | daily maximum | ≤ .196 lb/d | all year | 01A |
| Phenol | monthly average | ≤ .013 lb/d | all year | 01A |
| Phenol | daily maximum | ≤ .033 lb/d | all year | 01A |
| Naphthalene | monthly average | ≤ .013 lb/d | all year | 01A |
| Naphthalene | daily maximum | ≤ .033 lb/d | all year | 01A |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | ≤ .067 lb/d | all year | 01A |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ .183 lb/d | all year | 01A |
| Di-n-butyl phthalate | monthly average | ≤ .014 lb/d | all year | 01A |
| Di-n-butyl phthalate | daily maximum | ≤ .03 lb/d | all year | 01A |
| Vinyl chloride | monthly average | ≤ .069 lb/d | all year | 01A |
| Vinyl chloride | daily maximum | ≤ .122 lb/d | all year | 01A |
| Trichloroethylene | monthly average | ≤ .018 lb/d | all year | 01A |
| Trichloroethylene | daily maximum | ≤ .049 lb/d | all year | 01A |
| Hexachlorobenzene | monthly average | ≤ .022 lb/d | all year | 01A |
| Hexachlorobenzene | daily maximum | ≤ .044 lb/d | all year | 01A |
| Hexachlorobutadiene | monthly average | ≤ .101 lb/d | all year | 01A |
| Hexachlorobutadiene | daily maximum | ≤ .269 lb/d | all year | 01A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01A |
| Flow, in conduit or thru treatment plant | maximum 7-day average | report only (MGD) | all year | 01A |
| Annual Certification Statement | daily maximum | report only (Y=0;N=1) | all year | 01A |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 01A |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 01A |
| Carbon disulfide | monthly average | report only (lb/d) | all year | 01A |
| Carbon disulfide | daily maximum | report only (lb/d) | all year | 01A |
| 1,3-Dichloropropene | monthly average | ≤ .139 lb/d | all year | 01A |
| 1,3-Dichloropropene | daily maximum | ≤ .563 lb/d | all year | 01A |
| 3,4-Benzofluoranthene | monthly average | ≤ .014 lb/d | all year | 01A |
| 3,4-Benzofluoranthene | daily maximum | ≤ .034 lb/d | all year | 01A |
| Chloroethane | monthly average | ≤ .078 lb/d | all year | 01A |
| Chloroethane | daily maximum | ≤ .209 lb/d | all year | 01A |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 01B |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 01B |
| pH | daily minimum | report only (SU) | all year | 01B |
| pH | daily maximum | report only (SU) | all year | 01B |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 01B |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 01B |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year | 01B |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Apr–Oct | 01B |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | Apr–Oct | 01B |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Apr–Oct | 01B |
| Cyanide, total [as CN] | daily maximum | report only (lb/d) | all year | 01B |
| Thiocyanate [as SCN] | monthly average | report only (lb/d) | all year | 01B |
| Thiocyanate [as SCN] | daily maximum | report only (lb/d) | all year | 01B |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 01B |
| Carbon tetrachloride | monthly average | report only (lb/d) | all year | 01B |
| Carbon tetrachloride | daily maximum | report only (lb/d) | all year | 01B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 01B |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 01B |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 01B |
| Carbon disulfide | monthly average | report only (lb/d) | all year | 01B |
| Carbon disulfide | daily maximum | report only (lb/d) | all year | 01B |
| Thiocarbamates | daily maximum | report only (lb/d) | all year | 01B |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 79 Chemicals and Allied Products permits in Alabama.
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