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Hunt Refining Company

Petroleum Refining, major discharger, Tuscaloosa, Alabama. NPDES permit AL0000973, in force until Jul 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 2 monthly (27 values), outfall 002 form Q quarterly (3 values), outfall 024 form Q quarterly (5 values), outfall 025 form Q quarterly (5 values), outfall 03A form 1 monthly (10 values), outfall 05A form 1 monthly (10 values), and 19 more forms
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 185 reports late

Limits in force (350)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum= 4 mg/LJan, Feb, Mar, Apr, Dec001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LMay–Nov001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 705 lb/dall year001
Solids, total suspendeddaily maximum≤ 1181 lb/dall year001
Oil & Greaseannual maximum≤ 242 lb/dall year001
Oil & Greasedaily maximum≤ 453 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 470 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 180 lb/dMay–Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 705 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 270 lb/dMay–Nov001
Nitrogen, Kjeldahl, total [as N]monthly average≤ 939 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, Kjeldahl, total [as N]monthly average≤ 250 lb/dMay–Nov001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)May–Nov001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Apr–Oct001
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr–Oct001
Cyanide, total [as CN]monthly averagereport only (mg/L)all year001
Cyanide, total [as CN]daily maximumreport only (mg/L)all year001
Sulfide, total [as S]monthly average≤ 4.2 lb/dall year001
Sulfide, total [as S]daily maximum≤ 9.3 lb/dall year001
Selenium, total recoverablemonthly average≤ .304 mg/Lall year001
Selenium, total recoverabledaily maximum= .436 mg/Lall year001
Chromium, hexavalent [as Cr]monthly average≤ .4 lb/dall year001
Chromium, hexavalent [as Cr]daily maximum≤ .97 lb/dall year001
Chromium, total [as Cr]monthly average≤ 5.7 lb/dall year001
Chromium, total [as Cr]daily maximum≤ 12.7 lb/dall year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]monthly averagereport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001
Carbon tetrachloridemonthly average≤ .014 lb/dall year001
Carbon tetrachloridedaily maximum≤ .029 lb/dall year001
1,2-Dichloroethanemonthly average≤ .051 lb/dall year001
1,2-Dichloroethanedaily maximum≤ .158 lb/dall year001
Chloroformmonthly average≤ .016 lb/dall year001
Chloroformdaily maximum≤ .035 lb/dall year001
Toluenemonthly average≤ .02 lb/dall year001
Toluenedaily maximum≤ .06 lb/dall year001
Benzenemonthly average≤ .028 lb/dall year001
Benzenedaily maximum≤ .102 lb/dall year001
Acenaphthylenemonthly average≤ .017 lb/dall year001
Acenaphthylenedaily maximum≤ .044 lb/dall year001
Acenaphthenemonthly average≤ .017 lb/dall year001
Acenaphthenedaily maximum≤ .044 lb/dall year001
Acrylonitrilemonthly average≤ .072 lb/dall year001
Acrylonitriledaily maximum≤ .182 lb/dall year001
Anthracenemonthly average≤ .017 lb/dall year001
Anthracenedaily maximum≤ .044 lb/dall year001
Benzo[k]fluoranthenemonthly average≤ .017 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .044 lb/dall year001
Benzo[a]pyrenemonthly average≤ .017 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .046 lb/dall year001
Chlorobenzenemonthly average≤ .011 lb/dall year001
Chlorobenzenedaily maximum≤ .021 lb/dall year001
Chrysenemonthly average≤ .017 lb/dall year001
Chrysenedaily maximum≤ .044 lb/dall year001
Diethyl phthalatemonthly average≤ .061 lb/dall year001
Diethyl phthalatedaily maximum≤ .152 lb/dall year001
Dimethyl phthalatemonthly average≤ .014 lb/dall year001
Dimethyl phthalatedaily maximum≤ .035 lb/dall year001
Ethylbenzenemonthly average≤ .024 lb/dall year001
Ethylbenzenedaily maximum≤ .081 lb/dall year001
Fluoranthenemonthly average≤ .019 lb/dall year001
Fluoranthenedaily maximum≤ .051 lb/dall year001
Fluorenemonthly average≤ .017 lb/dall year001
Fluorenedaily maximum≤ .044 lb/dall year001
Hexachlorobutadienemonthly average≤ .015 lb/dall year001
Hexachlorobutadienedaily maximum≤ .037 lb/dall year001
Hexachloroethanemonthly average≤ .016 lb/dall year001
Hexachloroethanedaily maximum≤ .041 lb/dall year001
Methyl chloride [Chloromethane]monthly average≤ .065 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ .143 lb/dall year001
Methylene chloridemonthly average≤ .03 lb/dall year001
Methylene chloridedaily maximum≤ .067 lb/dall year001
Nitrobenzenemonthly average≤ .02 lb/dall year001
Nitrobenzenedaily maximum≤ .051 lb/dall year001
Phenanthrenemonthly average≤ .017 lb/dall year001
Phenanthrenedaily maximum≤ .044 lb/dall year001
Pyrenemonthly average≤ .019 lb/dall year001
Pyrenedaily maximum≤ .05 lb/dall year001
Tetrachloroethylenemonthly average≤ .017 lb/dall year001
Tetrachloroethylenedaily maximum≤ .042 lb/dall year001
1,1-Dichloroethanemonthly average≤ .017 lb/dall year001
1,1-Dichloroethanedaily maximum≤ .044 lb/dall year001
1,1-Dichloroethylenemonthly average≤ .012 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .019 lb/dall year001
1,1,1-Trichloroethanemonthly average≤ .016 lb/dall year001
1,1,1-Trichloroethanedaily maximum≤ .041 lb/dall year001
1,1,2-Trichloroethanemonthly average≤ .016 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .041 lb/dall year001
Benzo[a]anthracenemonthly average≤ .017 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .044 lb/dall year001
1,2-Dichlorobenzenemonthly average≤ .058 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ .122 lb/dall year001
1,2-Dichloropropanemonthly average≤ .144 lb/dall year001
1,2-Dichloropropanedaily maximum≤ .173 lb/dall year001
trans-1,2-Dichloroethylenemonthly average≤ .016 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .041 lb/dall year001
1,2,4-Trichlorobenzenemonthly average≤ .051 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ .105 lb/dall year001
1,3-Dichlorobenzenemonthly average≤ .023 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ .033 lb/dall year001
1,4-Dichlorobenzenemonthly average≤ .011 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ .021 lb/dall year001
2-Chlorophenolmonthly average≤ .023 lb/dall year001
2-Chlorophenoldaily maximum≤ .074 lb/dall year001
2-Nitrophenolmonthly average≤ .031 lb/dall year001
2-Nitrophenoldaily maximum≤ .052 lb/dall year001
2,4-Dichlorophenolmonthly average≤ .029 lb/dall year001
2,4-Dichlorophenoldaily maximum≤ .084 lb/dall year001
2,4-Dimethylphenolmonthly average≤ .014 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .027 lb/dall year001
2,4-Dinitrotoluenemonthly average≤ .085 lb/dall year001
2,4-Dinitrotoluenedaily maximum≤ .214 lb/dall year001
2,4-Dinitrophenolmonthly average≤ .053 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ .092 lb/dall year001
2,6-Dinitrotoluenemonthly average≤ .191 lb/dall year001
2,6-Dinitrotoluenedaily maximum≤ .481 lb/dall year001
4-Nitrophenolmonthly average≤ .054 lb/dall year001
4-Nitrophenoldaily maximum≤ .093 lb/dall year001
4,6-Dinitro-o-cresolmonthly average≤ .059 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ .208 lb/dall year001
Phenolmonthly average≤ .011 lb/dall year001
Phenoldaily maximum≤ .02 lb/dall year001
Naphthalenemonthly average≤ .017 lb/dall year001
Naphthalenedaily maximum≤ .044 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 1.63 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 2.45 lb/dall year001
Di-n-butyl phthalatemonthly average≤ .02 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ .043 lb/dall year001
Vinyl chloridemonthly average≤ .078 lb/dall year001
Vinyl chloridedaily maximum≤ .201 lb/dall year001
Trichloroethylenemonthly average≤ .016 lb/dall year001
Trichloroethylenedaily maximum≤ .041 lb/dall year001
Hexachlorobenzenemonthly average≤ .0076 lb/dall year001
Hexachlorobenzenedaily maximum≤ .0152 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Perfluorooctanoic acid (PFOA)single samplereport only (ng/L)all year001
Perfluorobutanoic acid (PFBA)single samplereport only (ng/L)all year001
Perfluorooctanesulfonamide (PFOSA)single samplereport only (ng/L)all year001
Perfluoropentanoic acid (PFPeA)single samplereport only (ng/L)all year001
Perfluorohexanoic acid (PFHxA)single samplereport only (ng/L)all year001
Perfluoroheptanoic acid (PFHpA)single samplereport only (ng/L)all year001
Perfluorononanoic acid (PFNA)single samplereport only (ng/L)all year001
Perfluorodecanoic acid (PFDA)single samplereport only (ng/L)all year001
Perfluoroundecanoic acid (PFUnA)single samplereport only (ng/L)all year001
Perfluorododecanoic acid (PFDoA)single samplereport only (ng/L)all year001
Perfluorotridecanoic acid (PFTrDA)single samplereport only (ng/L)all year001
Perfluorotetradecanoic acid (PFTeDA)single samplereport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)single samplereport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)single samplereport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)single samplereport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)single samplereport only (ng/L)all year001
Perfluorobutanesulfonic acid (PFBS)single samplereport only (ng/L)all year001
Perfluorodecanesulfonic acid (PFDS)single samplereport only (ng/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)single samplereport only (ng/L)all year001
Perfluorohexanesulfonic acid (PFHxS)single samplereport only (ng/L)all year001
Perfluorooctanesulfonic acid (PFOS)single samplereport only (ng/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)single samplereport only (ng/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)single samplereport only (ng/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)single samplereport only (ng/L)all year001
Perfluoropentanesulfonic acid (PFPeS)single samplereport only (ng/L)all year001
Perfluorononanesulfonic acid (PFNS)single samplereport only (ng/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)single samplereport only (ng/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)single samplereport only (ng/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)single samplereport only (ng/L)all year001
Perfluorododecanesulfonic acid (PFDoS)single samplereport only (ng/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)single samplereport only (ng/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)single samplereport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)single samplereport only (ng/L)all year001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year001
Phenolic compounds, totalmonthly average≤ 3.4 lb/dall year001
Phenolic compounds, totaldaily maximum≤ 11.1 lb/dall year001
1,3-Dichloropropenemonthly average≤ .022 lb/dall year001
1,3-Dichloropropenedaily maximum≤ .033 lb/dall year001
3,4-Benzofluoranthenemonthly average≤ .017 lb/dall year001
3,4-Benzofluoranthenedaily maximum≤ .046 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 292 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 577 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 438 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1075 lb/dJan, Feb, Mar, Apr, Dec001
Chemical Oxygen Demand [COD]monthly average≤ 5716 lb/dall year001
Chemical Oxygen Demand [COD]daily maximum≤ 11101 lb/dall year001
Chloroethanemonthly average≤ .078 lb/dall year001
Chloroethanedaily maximum≤ .201 lb/dall year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)single samplereport only (ng/L)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)single samplereport only (ng/L)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)single samplereport only (ng/L)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)single samplereport only (ng/L)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)single samplereport only (ng/L)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)single samplereport only (ng/L)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)single samplereport only (ng/L)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 100 deg Fall year002
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Oil & Greasedaily maximum≤ 15 mg/Lall year008
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
Solids, total suspendeddaily maximumreport only (mg/L)all year019
Oil & Greasedaily maximum≤ 15 mg/Lall year019
Carbon, tot organic [TOC]daily maximum≤ 110 mg/Lall year019
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year019
Solids, total suspendeddaily maximumreport only (mg/L)all year021
Oil & Greasedaily maximum= 15 mg/Lall year021
Carbon, tot organic [TOC]daily maximum= 110 mg/Lall year021
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year021
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year024
pHminimum≥ 6 SUall year024
pHdaily maximum≤ 9 SUall year024
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year024
Solids, total dissolveddaily maximumreport only (mg/L)all year024
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year025
pHminimum≥ 6 SUall year025
pHdaily maximum≤ 9 SUall year025
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year025
Solids, total dissolveddaily maximumreport only (mg/L)all year025
pHdaily minimum≥ 6 SUall year03A
pHdaily maximum≤ 9 SUall year03A
Oil & Greasedaily maximum≤ 15 mg/Lall year03A
Toluenedaily maximumreport only (ug/L)all year03A
Benzenedaily maximumreport only (ug/L)all year03A
Ethylbenzenedaily maximumreport only (ug/L)all year03A
Naphthalenedaily maximumreport only (ug/L)all year03A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year03A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year03A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year03A
pHdaily minimum≥ 6 SUall year05A
pHdaily maximum≤ 9 SUall year05A
Oil & Greasedaily maximum≤ 15 mg/Lall year05A
Toluenedaily maximumreport only (ug/L)all year05A
Benzenedaily maximumreport only (ug/L)all year05A
Ethylbenzenedaily maximumreport only (ug/L)all year05A
Naphthalenedaily maximumreport only (ug/L)all year05A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year05A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year05A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year05A
pHdaily minimum≥ 6 SUall year06A
pHdaily maximum≤ 9 SUall year06A
Oil & Greasedaily maximum≤ 15 mg/Lall year06A
Toluenedaily maximumreport only (ug/L)all year06A
Benzenedaily maximumreport only (ug/L)all year06A
Ethylbenzenedaily maximumreport only (ug/L)all year06A
Naphthalenedaily maximumreport only (ug/L)all year06A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year06A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year06A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year06A
pHdaily minimum≥ 6 SUall year07A
pHdaily maximum≤ 9 SUall year07A
Oil & Greasedaily maximum≤ 15 mg/Lall year07A
Toluenedaily maximumreport only (ug/L)all year07A
Benzenedaily maximumreport only (ug/L)all year07A
Ethylbenzenedaily maximumreport only (ug/L)all year07A
Naphthalenedaily maximumreport only (ug/L)all year07A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year07A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year07A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year07A
pHdaily minimum≥ 6 SUall year08A
pHdaily maximum≤ 9 SUall year08A
Oil & Greasedaily maximum≤ 15 mg/Lall year08A
Toluenedaily maximumreport only (ug/L)all year08A
Benzenedaily maximumreport only (ug/L)all year08A
Ethylbenzenedaily maximumreport only (ug/L)all year08A
Naphthalenedaily maximumreport only (ug/L)all year08A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year08A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year08A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year08A
pHdaily minimum≥ 6 SUall year09A
pHdaily maximum≤ 9 SUall year09A
Oil & Greasedaily maximum≤ 15 mg/Lall year09A
Toluenedaily maximumreport only (ug/L)all year09A
Benzenedaily maximumreport only (ug/L)all year09A
Ethylbenzenedaily maximumreport only (ug/L)all year09A
Naphthalenedaily maximumreport only (ug/L)all year09A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year09A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year09A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year09A
pHdaily minimum≥ 6 SUall year11A
pHdaily maximum≤ 9 SUall year11A
Oil & Greasedaily maximum≤ 15 mg/Lall year11A
Toluenedaily maximumreport only (ug/L)all year11A
Benzenedaily maximumreport only (ug/L)all year11A
Ethylbenzenedaily maximumreport only (ug/L)all year11A
Naphthalenedaily maximumreport only (ug/L)all year11A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year11A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year11A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year11A
pHdaily minimum≥ 6 SUall year14A
pHdaily maximum≤ 9 SUall year14A
Oil & Greasedaily maximum≤ 15 mg/Lall year14A
Toluenedaily maximumreport only (ug/L)all year14A
Benzenedaily maximumreport only (ug/L)all year14A
Ethylbenzenedaily maximumreport only (ug/L)all year14A
Naphthalenedaily maximumreport only (ug/L)all year14A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year14A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year14A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year14A
pHdaily minimum≥ 6 SUall year15A
pHdaily maximum≤ 9 SUall year15A
Oil & Greasedaily maximum≤ 15 mg/Lall year15A
Toluenedaily maximumreport only (ug/L)all year15A
Benzenedaily maximumreport only (ug/L)all year15A
Ethylbenzenedaily maximumreport only (ug/L)all year15A
Naphthalenedaily maximumreport only (ug/L)all year15A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year15A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year15A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year15A
pHdaily minimum≥ 6 SUall year16A
pHdaily maximum≤ 9 SUall year16A
Oil & Greasedaily maximum≤ 15 mg/Lall year16A
Toluenedaily maximumreport only (ug/L)all year16A
Benzenedaily maximumreport only (ug/L)all year16A
Ethylbenzenedaily maximumreport only (ug/L)all year16A
Naphthalenedaily maximumreport only (ug/L)all year16A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year16A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year16A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year16A
pHdaily minimum≥ 6 SUall year17A
pHdaily maximum≤ 9 SUall year17A
Oil & Greasedaily maximum≤ 15 mg/Lall year17A
Toluenedaily maximumreport only (ug/L)all year17A
Benzenedaily maximumreport only (ug/L)all year17A
Ethylbenzenedaily maximumreport only (ug/L)all year17A
Naphthalenedaily maximumreport only (ug/L)all year17A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year17A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year17A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year17A
pHdaily minimumreport only (SU)all year19A
pHdaily maximumreport only (SU)all year19A
Solids, total suspendeddaily maximumreport only (mg/L)all year19A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year19A
Solids, total dissolveddaily maximumreport only (mg/L)all year19A
pHdaily minimum= 6 SUall year20A
pHdaily maximum= 9 SUall year20A
Oil & Greasedaily maximum≤ 15 mg/Lall year20A
Toluenedaily maximumreport only (ug/L)all year20A
Benzenedaily maximumreport only (ug/L)all year20A
Ethylbenzenedaily maximumreport only (ug/L)all year20A
Naphthalenedaily maximumreport only (ug/L)all year20A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year20A
Chlorine, total residualdaily maximum≤ 1 mg/Lall year20A
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year20A

How strict are these limits?

Cited limits by parameter: Alabama's rules and the federal ones.

Same industry: the 8 Petroleum Refining and Related Industries permits in Alabama.

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Your permit document is the final word. As JSON: /api/v1/permits/AL0000973 · MCP: https://passage-data.com/mcp