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Industrial Inorganic Chemicals, major discharger, Axis, Alabama. NPDES permit AL0042447, in force until Jun 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | report only (SU) | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 001 |
| Tin, total [as Sn] | monthly average | report only (mg/L) | all year | 001 |
| Tin, total [as Sn] | daily maximum | report only (mg/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 |
| Tin, tri-organo- | monthly average | ≤ .264 mg/L | all year | 001 |
| Tin, tri-organo- | daily maximum | ≤ 1.266 mg/L | all year | 001 |
| Perfluorooctanoic acid (PFOA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorobutanoic acid (PFBA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonamide (PFOSA) | single sample | report only (ng/L) | all year | 001 |
| Perfluoropentanoic acid (PFPeA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorohexanoic acid (PFHxA) | single sample | report only (ng/L) | all year | 001 |
| Perfluoroheptanoic acid (PFHpA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorononanoic acid (PFNA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorodecanoic acid (PFDA) | single sample | report only (ng/L) | all year | 001 |
| Perfluoroundecanoic acid (PFUnA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorododecanoic acid (PFDoA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorotridecanoic acid (PFTrDA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorotetradecanoic acid (PFTeDA) | single sample | report only (ng/L) | all year | 001 |
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | single sample | report only (ng/L) | all year | 001 |
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | single sample | report only (ng/L) | all year | 001 |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | single sample | report only (ng/L) | all year | 001 |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorobutanesulfonic acid (PFBS) | single sample | report only (ng/L) | all year | 001 |
| Perfluorodecanesulfonic acid (PFDS) | single sample | report only (ng/L) | all year | 001 |
| Perfluoroheptanesulfonic acid (PFHpS) | single sample | report only (ng/L) | all year | 001 |
| Perfluorohexanesulfonic acid (PFHxS) | single sample | report only (ng/L) | all year | 001 |
| Perfluorooctanesulfonic acid (PFOS) | single sample | report only (ng/L) | all year | 001 |
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | single sample | report only (ng/L) | all year | 001 |
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | single sample | report only (ng/L) | all year | 001 |
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | single sample | report only (ng/L) | all year | 001 |
| Perfluoropentanesulfonic acid (PFPeS) | single sample | report only (ng/L) | all year | 001 |
| Perfluorononanesulfonic acid (PFNS) | single sample | report only (ng/L) | all year | 001 |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | single sample | report only (ng/L) | all year | 001 |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | single sample | report only (ng/L) | all year | 001 |
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | single sample | report only (ng/L) | all year | 001 |
| Perfluorododecanesulfonic acid (PFDoS) | single sample | report only (ng/L) | all year | 001 |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | single sample | report only (ng/L) | all year | 001 |
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | single sample | report only (ng/L) | all year | 001 |
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | single sample | report only (ng/L) | all year | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Length of longest pH excursion | daily maximum | ≤ 60 min | all year | 001 |
| pH range excursions, > 60 minutes | daily maximum | ≤ 0 occur/mo | all year | 001 |
| pH range excursions, monthly total accum | monthly maximum | ≤ 446 min | all year | 001 |
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | single sample | report only (ng/L) | all year | 001 |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | single sample | report only (ng/L) | all year | 001 |
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | single sample | report only (ng/L) | all year | 001 |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | single sample | report only (ng/L) | all year | 001 |
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | single sample | report only (ng/L) | all year | 001 |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | single sample | report only (ng/L) | all year | 001 |
| 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | single sample | report only (ng/L) | all year | 001 |
| pH | daily minimum | report only (SU) | all year | 004 |
| pH | daily maximum | report only (SU) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 004 |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 004 |
| 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 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Tin, total [as Sn] | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Tin, tri-organo- | daily maximum | report only (mg/L) | all year | 006 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 006 |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 006 |
| BOD, 5-day, 20 deg. C | monthly average | = 90.8 lb/d | all year | 01A |
| BOD, 5-day, 20 deg. C | daily maximum | = 237.8 lb/d | all year | 01A |
| pH | daily minimum | report only (SU) | all year | 01A |
| pH | daily maximum | report only (SU) | all year | 01A |
| Solids, total suspended | monthly average | = 139.6 lb/d | all year | 01A |
| Solids, total suspended | daily maximum | = 443.7 lb/d | all year | 01A |
| Cyanide, total [as CN] | monthly average | report only (lb/d) | all year | 01A |
| Cyanide, total [as CN] | daily maximum | report only (lb/d) | all year | 01A |
| Chromium, total [as Cr] | monthly average | ≤ 2.453 lb/d | all year | 01A |
| Chromium, total [as Cr] | daily maximum | ≤ 6.122 lb/d | all year | 01A |
| Copper, total [as Cu] | monthly average | ≤ 3.205 lb/d | all year | 01A |
| Copper, total [as Cu] | daily maximum | ≤ 7.47 lb/d | all year | 01A |
| Lead, total [as Pb] | monthly average | ≤ .707 lb/d | all year | 01A |
| Lead, total [as Pb] | daily maximum | ≤ 1.525 lb/d | all year | 01A |
| Nickel, total [as Ni] | monthly average | ≤ 3.735 lb/d | all year | 01A |
| Nickel, total [as Ni] | daily maximum | ≤ 8.796 lb/d | all year | 01A |
| Zinc, total [as Zn] | monthly average | ≤ 2.321 lb/d | all year | 01A |
| Zinc, total [as Zn] | daily maximum | ≤ 5.768 lb/d | all year | 01A |
| Carbon tetrachloride | monthly average | ≤ .056 lb/d | all year | 01A |
| Carbon tetrachloride | daily maximum | ≤ .118 lb/d | all year | 01A |
| 1,2-Dichloroethane | monthly average | ≤ .211 lb/d | all year | 01A |
| 1,2-Dichloroethane | daily maximum | ≤ .656 lb/d | all year | 01A |
| Chloroform | monthly average | ≤ .065 lb/d | all year | 01A |
| Chloroform | daily maximum | ≤ .143 lb/d | all year | 01A |
| Toluene | monthly average | ≤ .081 lb/d | all year | 01A |
| Toluene | daily maximum | ≤ .249 lb/d | all year | 01A |
| Benzene | monthly average | ≤ .115 lb/d | all year | 01A |
| Benzene | daily maximum | ≤ .423 lb/d | all year | 01A |
| Acenaphthylene | monthly average | ≤ .068 lb/d | all year | 01A |
| Acenaphthylene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Acenaphthene | monthly average | ≤ .068 lb/d | all year | 01A |
| Acenaphthene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Acrylonitrile | monthly average | ≤ .298 lb/d | all year | 01A |
| Acrylonitrile | daily maximum | ≤ .752 lb/d | all year | 01A |
| Anthracene | monthly average | ≤ .068 lb/d | all year | 01A |
| Anthracene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Benzo[k]fluoranthene | monthly average | ≤ .068 lb/d | all year | 01A |
| Benzo[k]fluoranthene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Benzo[a]pyrene | monthly average | ≤ .072 lb/d | all year | 01A |
| Benzo[a]pyrene | daily maximum | ≤ .19 lb/d | all year | 01A |
| Chlorobenzene | monthly average | ≤ .047 lb/d | all year | 01A |
| Chlorobenzene | daily maximum | ≤ .087 lb/d | all year | 01A |
| Chrysene | monthly average | ≤ .068 lb/d | all year | 01A |
| Chrysene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Diethyl phthalate | monthly average | ≤ .252 lb/d | all year | 01A |
| Diethyl phthalate | daily maximum | ≤ .631 lb/d | all year | 01A |
| Dimethyl phthalate | monthly average | ≤ .059 lb/d | all year | 01A |
| Dimethyl phthalate | daily maximum | ≤ .146 lb/d | all year | 01A |
| Ethylbenzene | monthly average | ≤ .099 lb/d | all year | 01A |
| Ethylbenzene | daily maximum | ≤ .336 lb/d | all year | 01A |
| Fluoranthene | monthly average | ≤ .078 lb/d | all year | 01A |
| Fluoranthene | daily maximum | ≤ .211 lb/d | all year | 01A |
| Fluorene | monthly average | ≤ .068 lb/d | all year | 01A |
| Fluorene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Hexachloroethane | monthly average | ≤ .065 lb/d | all year | 01A |
| Hexachloroethane | daily maximum | ≤ .168 lb/d | all year | 01A |
| Methyl chloride [Chloromethane] | monthly average | ≤ .267 lb/d | all year | 01A |
| Methyl chloride [Chloromethane] | daily maximum | ≤ .591 lb/d | all year | 01A |
| Methylene chloride | monthly average | ≤ .124 lb/d | all year | 01A |
| Methylene chloride | daily maximum | ≤ .277 lb/d | all year | 01A |
| Nitrobenzene | monthly average | ≤ .084 lb/d | all year | 01A |
| Nitrobenzene | daily maximum | ≤ .211 lb/d | all year | 01A |
| Phenanthrene | monthly average | ≤ .068 lb/d | all year | 01A |
| Phenanthrene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Pyrene | monthly average | ≤ .078 lb/d | all year | 01A |
| Pyrene | daily maximum | ≤ .208 lb/d | all year | 01A |
| Tetrachloroethylene | monthly average | ≤ .068 lb/d | all year | 01A |
| Tetrachloroethylene | daily maximum | ≤ .174 lb/d | all year | 01A |
| 1,1-Dichloroethane | monthly average | ≤ .068 lb/d | all year | 01A |
| 1,1-Dichloroethane | daily maximum | ≤ .183 lb/d | all year | 01A |
| 1,1-Dichloroethylene | monthly average | ≤ .05 lb/d | all year | 01A |
| 1,1-Dichloroethylene | daily maximum | ≤ .078 lb/d | all year | 01A |
| 1,1,1-Trichloroethane | monthly average | ≤ .065 lb/d | all year | 01A |
| 1,1,1-Trichloroethane | daily maximum | ≤ .168 lb/d | all year | 01A |
| 1,1,2-Trichloroethane | monthly average | ≤ .065 lb/d | all year | 01A |
| 1,1,2-Trichloroethane | daily maximum | ≤ .168 lb/d | all year | 01A |
| Benzo[a]anthracene | monthly average | ≤ .068 lb/d | all year | 01A |
| Benzo[a]anthracene | daily maximum | ≤ .183 lb/d | all year | 01A |
| 1,2-Dichlorobenzene | monthly average | ≤ .239 lb/d | all year | 01A |
| 1,2-Dichlorobenzene | daily maximum | ≤ .507 lb/d | all year | 01A |
| 1,2-Dichloropropane | monthly average | ≤ .476 lb/d | all year | 01A |
| 1,2-Dichloropropane | daily maximum | ≤ .715 lb/d | all year | 01A |
| trans-1,2-Dichloroethylene | monthly average | ≤ .065 lb/d | all year | 01A |
| trans-1,2-Dichloroethylene | daily maximum | ≤ .168 lb/d | all year | 01A |
| 1,2,4-Trichlorobenzene | monthly average | ≤ .211 lb/d | all year | 01A |
| 1,2,4-Trichlorobenzene | daily maximum | ≤ .435 lb/d | all year | 01A |
| 1,3-Dichlorobenzene | monthly average | ≤ .096 lb/d | all year | 01A |
| 1,3-Dichlorobenzene | daily maximum | ≤ .137 lb/d | all year | 01A |
| 1,4-Dichlorobenzene | monthly average | ≤ .047 lb/d | all year | 01A |
| 1,4-Dichlorobenzene | daily maximum | ≤ .087 lb/d | all year | 01A |
| 2-Chlorophenol | monthly average | ≤ .096 lb/d | all year | 01A |
| 2-Chlorophenol | daily maximum | ≤ .305 lb/d | all year | 01A |
| 2-Nitrophenol | monthly average | ≤ .127 lb/d | all year | 01A |
| 2-Nitrophenol | daily maximum | ≤ .215 lb/d | all year | 01A |
| 2,4-Dichlorophenol | monthly average | ≤ .121 lb/d | all year | 01A |
| 2,4-Dichlorophenol | daily maximum | ≤ .348 lb/d | all year | 01A |
| 2,4-Dimethylphenol | monthly average | ≤ .056 lb/d | all year | 01A |
| 2,4-Dimethylphenol | daily maximum | ≤ .112 lb/d | all year | 01A |
| 2,4-Dinitrotoluene | monthly average | ≤ .351 lb/d | all year | 01A |
| 2,4-Dinitrotoluene | daily maximum | ≤ .886 lb/d | all year | 01A |
| 2,4-Dinitrophenol | monthly average | ≤ .221 lb/d | all year | 01A |
| 2,4-Dinitrophenol | daily maximum | ≤ .382 lb/d | all year | 01A |
| 2,6-Dinitrotoluene | monthly average | ≤ .793 lb/d | all year | 01A |
| 2,6-Dinitrotoluene | daily maximum | ≤ 1.993 lb/d | all year | 01A |
| 4-Nitrophenol | monthly average | ≤ .224 lb/d | all year | 01A |
| 4-Nitrophenol | daily maximum | ≤ .386 lb/d | all year | 01A |
| 4,6-Dinitro-o-cresol | monthly average | ≤ .243 lb/d | all year | 01A |
| 4,6-Dinitro-o-cresol | daily maximum | ≤ .861 lb/d | all year | 01A |
| Phenol | monthly average | ≤ .047 lb/d | all year | 01A |
| Phenol | daily maximum | ≤ .081 lb/d | all year | 01A |
| Naphthalene | monthly average | ≤ .068 lb/d | all year | 01A |
| Naphthalene | daily maximum | ≤ .183 lb/d | all year | 01A |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | ≤ .32 lb/d | all year | 01A |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ .867 lb/d | all year | 01A |
| Di-n-butyl phthalate | monthly average | ≤ .084 lb/d | all year | 01A |
| Di-n-butyl phthalate | daily maximum | ≤ .177 lb/d | all year | 01A |
| Vinyl chloride | monthly average | ≤ .323 lb/d | all year | 01A |
| Vinyl chloride | daily maximum | ≤ .833 lb/d | all year | 01A |
| Trichloroethylene | monthly average | ≤ .065 lb/d | all year | 01A |
| Trichloroethylene | daily maximum | ≤ .168 lb/d | all year | 01A |
| Hexachlorobenzene | monthly average | ≤ .022773 lb/d | all year | 01A |
| Hexachlorobenzene | daily maximum | ≤ .045546 lb/d | all year | 01A |
| Hexachlorobutadiene | monthly average | ≤ .062 lb/d | all year | 01A |
| Hexachlorobutadiene | daily maximum | ≤ .152 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 | daily maximum | report only (MGD) | all year | 01A |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year | 01A |
| Mercury, total [as Hg] | daily maximum | report only (lb/d) | all year | 01A |
| Length of longest pH excursion | daily maximum | = 60 min | all year | 01A |
| 1,3-Dichloropropene | monthly average | ≤ .09 lb/d | all year | 01A |
| 1,3-Dichloropropene | daily maximum | ≤ .137 lb/d | all year | 01A |
| 3,4-Benzofluoranthene | monthly average | ≤ .072 lb/d | all year | 01A |
| 3,4-Benzofluoranthene | daily maximum | ≤ .19 lb/d | all year | 01A |
| pH range excursions, > 60 minutes | daily maximum | = 0 occur/mo | all year | 01A |
| pH range excursions, monthly total accum | monthly maximum | = 446 min | all year | 01A |
| Chloroethane | monthly average | ≤ .323 lb/d | all year | 01A |
| Chloroethane | daily maximum | ≤ .833 lb/d | all year | 01A |
| Tin, total [as Sn] | monthly average | report only (mg/L) | all year | 01B |
| Tin, total [as Sn] | daily maximum | report only (mg/L) | 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 |
| Tin, tri-organo- | monthly average | report only (mg/L) | all year | 01B |
| Tin, tri-organo- | daily maximum | report only (mg/L) | all year | 01B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01C |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 01C |
| Tin, tri-organo- | monthly average | report only (mg/L) | all year | 01C |
| Tin, tri-organo- | daily maximum | report only (mg/L) | all year | 01C |
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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