Shell Chemical LP — NPDES permit TX0004863: limits, due date and EPA's record

Plastics Materials And Resins, major discharger, Deer Park, Texas. NPDES permit TX0004863, in force until Oct 5, 2028. Last 12 months: over a limit 13 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

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

Limits in force (703)

Period ending	Outfall	Parameter	Reported	Limit	Over by
November 2025	004	Enterococci, daily maximum	506 CFU/100mL	≤ 500 CFU/100mL	1%
February 2026	101	BOD, 5-day, 20 deg. C, daily average	46.2 mg/L	≤ 14.7 mg/L	214%
April 2026	101	Enterococci, daily maximum	1918 CFU/100mL	≤ 500 CFU/100mL	284%
April 2026	101	Zinc, total [as Zn], daily average	.22 mg/L	≤ .208 mg/L	6%
May 2026	101	Enterococci, daily maximum	8704 CFU/100mL	≤ 500 CFU/100mL	1641%
June 2026	004	Enterococci, daily average	279.6 CFU/100mL	≤ 168 CFU/100mL	66%
June 2026	004	Enterococci, daily maximum	862 CFU/100mL	≤ 500 CFU/100mL	72%
June 2026	101	Enterococci, daily maximum	4718 CFU/100mL	≤ 500 CFU/100mL	844%
June 2026	101	Zinc, total [as Zn], daily average	.371 mg/L	≤ .208 mg/L	78%
June 2026	101	Zinc, total [as Zn], daily maximum	1.26 mg/L	≤ .44 mg/L	186%
July 2026	004	Enterococci, daily maximum	844 CFU/100mL	≤ 500 CFU/100mL	69%
September 2026	004	Enterococci, daily average	583.8 CFU/100mL	≤ 168 CFU/100mL	248%
September 2026	004	Enterococci, daily maximum	4978 CFU/100mL	≤ 500 CFU/100mL	896%

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	daily maximum	≤ 105 deg F	all year	001
BOD, 5-day, 20 deg. C	daily average	≤ 12.2 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	daily average	report only (lb/d)	all year	001
BOD, 5-day, 20 deg. C	daily maximum	report only (lb/d)	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Solids, total suspended	daily average	report only (lb/d)	all year	001
Solids, total suspended	daily maximum	report only (lb/d)	all year	001
Oil & Grease	daily average	report only (lb/d)	all year	001
Oil & Grease	daily maximum	report only (lb/d)	all year	001
Nitrogen, ammonia total [as N]	daily average	≤ 1.7 mg/L	all year	001
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	daily average	report only (lb/d)	all year	001
Nitrogen, ammonia total [as N]	daily maximum	report only (lb/d)	all year	001
Carbon, tot organic [TOC]	daily average	report only (lb/d)	all year	001
Carbon, tot organic [TOC]	daily maximum	report only (lb/d)	all year	001
Sulfide, total [as S]	daily average	report only (lb/d)	all year	001
Sulfide, total [as S]	daily maximum	report only (lb/d)	all year	001
Calcium, dissolved [as Ca]	daily average	≤ 400 mg/L	all year	001
Calcium, dissolved [as Ca]	daily maximum	≤ 600 mg/L	all year	001
Calcium, dissolved [as Ca]	daily average	≤ 23684 lb/d	all year	001
Calcium, dissolved [as Ca]	daily maximum	≤ 35528 lb/d	all year	001
Chromium, hexavalent [as Cr]	daily average	≤ .2 mg/L	all year	001
Chromium, hexavalent [as Cr]	daily maximum	≤ .43 mg/L	all year	001
Chromium, hexavalent [as Cr]	daily average	report only (lb/d)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (lb/d)	all year	001
Chromium, total [as Cr]	daily average	≤ .5 mg/L	all year	001
Chromium, total [as Cr]	daily maximum	≤ 1 mg/L	all year	001
Copper, total [as Cu]	daily average	≤ .018 mg/L	all year	001
Copper, total [as Cu]	daily maximum	≤ .0377 mg/L	all year	001
Copper, total [as Cu]	daily average	report only (lb/d)	all year	001
Copper, total [as Cu]	daily maximum	report only (lb/d)	all year	001
Lead, total [as Pb]	daily average	≤ .036 mg/L	all year	001
Lead, total [as Pb]	daily maximum	≤ .076 mg/L	all year	001
Nickel, total [as Ni]	daily average	≤ .054 mg/L	all year	001
Nickel, total [as Ni]	daily maximum	≤ .14 mg/L	all year	001
Nickel, total [as Ni]	daily average	report only (lb/d)	all year	001
Nickel, total [as Ni]	daily maximum	report only (lb/d)	all year	001
Zinc, total [as Zn]	daily average	≤ .183 mg/L	all year	001
Zinc, total [as Zn]	daily maximum	≤ .387 mg/L	all year	001
Zinc, total [as Zn]	daily average	report only (lb/d)	all year	001
Zinc, total [as Zn]	daily maximum	report only (lb/d)	all year	001
Carbon tetrachloride	daily average	≤ .83 mg/L	all year	001
Carbon tetrachloride	daily maximum	≤ 1.75 mg/L	all year	001
Carbon tetrachloride	daily average	report only (lb/d)	all year	001
Carbon tetrachloride	daily maximum	report only (lb/d)	all year	001
1,2-Dichloroethane	daily average	report only (lb/d)	all year	001
1,2-Dichloroethane	daily maximum	report only (lb/d)	all year	001
Chloroform	daily average	report only (lb/d)	all year	001
Chloroform	daily maximum	report only (lb/d)	all year	001
Toluene	daily average	report only (lb/d)	all year	001
Toluene	daily maximum	report only (lb/d)	all year	001
Benzene	daily average	report only (lb/d)	all year	001
Benzene	daily maximum	report only (lb/d)	all year	001
Acenaphthylene	daily average	report only (lb/d)	all year	001
Acenaphthylene	daily maximum	report only (lb/d)	all year	001
Acenaphthene	daily average	report only (lb/d)	all year	001
Acenaphthene	daily maximum	report only (lb/d)	all year	001
Acrylonitrile	daily average	≤ .1 mg/L	all year	001
Acrylonitrile	daily maximum	≤ .22 mg/L	all year	001
Acrylonitrile	daily average	report only (lb/d)	all year	001
Acrylonitrile	daily maximum	report only (lb/d)	all year	001
Anthracene	daily average	report only (lb/d)	all year	001
Anthracene	daily maximum	report only (lb/d)	all year	001
Benzo[k]fluoranthene	daily average	report only (lb/d)	all year	001
Benzo[k]fluoranthene	daily maximum	report only (lb/d)	all year	001
Benzo[a]pyrene	daily average	≤ .0078 mg/L	all year	001
Benzo[a]pyrene	daily maximum	≤ .016 mg/L	all year	001
Benzo[a]pyrene	daily average	report only (lb/d)	all year	001
Benzo[a]pyrene	daily maximum	report only (lb/d)	all year	001
Chlorobenzene	daily average	report only (lb/d)	all year	001
Chlorobenzene	daily maximum	report only (lb/d)	all year	001
Chrysene	daily average	report only (lb/d)	all year	001
Chrysene	daily maximum	report only (lb/d)	all year	001
Diethyl phthalate	daily average	report only (lb/d)	all year	001
Diethyl phthalate	daily maximum	report only (lb/d)	all year	001
Dimethyl phthalate	daily average	report only (lb/d)	all year	001
Dimethyl phthalate	daily maximum	report only (lb/d)	all year	001
Ethylbenzene	daily average	report only (lb/d)	all year	001
Ethylbenzene	daily maximum	report only (lb/d)	all year	001
Fluoranthene	daily average	report only (lb/d)	all year	001
Fluoranthene	daily maximum	report only (lb/d)	all year	001
Fluorene	daily average	report only (lb/d)	all year	001
Fluorene	daily maximum	report only (lb/d)	all year	001
Hexachlorobutadiene	daily average	report only (lb/d)	all year	001
Hexachlorobutadiene	daily maximum	report only (lb/d)	all year	001
Hexachloroethane	daily average	≤ .312 mg/L	all year	001
Hexachloroethane	daily maximum	≤ .66 mg/L	all year	001
Hexachloroethane	daily average	report only (lb/d)	all year	001
Hexachloroethane	daily maximum	report only (lb/d)	all year	001
Methyl chloride [Chloromethane]	daily average	report only (lb/d)	all year	001
Methyl chloride [Chloromethane]	daily maximum	report only (lb/d)	all year	001
Methylene chloride	daily average	report only (lb/d)	all year	001
Methylene chloride	daily maximum	report only (lb/d)	all year	001
Nitrobenzene	daily average	report only (lb/d)	all year	001
Nitrobenzene	daily maximum	report only (lb/d)	all year	001
Phenanthrene	daily average	≤ .0083 mg/L	all year	001
Phenanthrene	daily maximum	≤ .018 mg/L	all year	001
Phenanthrene	daily average	report only (lb/d)	all year	001
Phenanthrene	daily maximum	report only (lb/d)	all year	001
Pyrene	daily average	report only (lb/d)	all year	001
Pyrene	daily maximum	report only (lb/d)	all year	001
Tetrachloroethylene	daily average	≤ 1.68 mg/L	all year	001
Tetrachloroethylene	daily maximum	≤ 3.54 mg/L	all year	001
Tetrachloroethylene	daily average	report only (lb/d)	all year	001
Tetrachloroethylene	daily maximum	report only (lb/d)	all year	001
1,1-Dichloroethane	daily average	report only (lb/d)	all year	001
1,1-Dichloroethane	daily maximum	report only (lb/d)	all year	001
1,1-Dichloroethylene	daily average	report only (lb/d)	all year	001
1,1-Dichloroethylene	daily maximum	report only (lb/d)	all year	001
1,1,1-Trichloroethane	daily average	report only (lb/d)	all year	001
1,1,1-Trichloroethane	daily maximum	report only (lb/d)	all year	001
1,1,2-Trichloroethane	daily average	report only (lb/d)	all year	001
1,1,2-Trichloroethane	daily maximum	report only (lb/d)	all year	001
Benzo[a]anthracene	daily average	≤ .0078 mg/L	all year	001
Benzo[a]anthracene	daily maximum	≤ .016 mg/L	all year	001
Benzo[a]anthracene	daily average	report only (lb/d)	all year	001
Benzo[a]anthracene	daily maximum	report only (lb/d)	all year	001
1,2-Dichlorobenzene	daily average	report only (lb/d)	all year	001
1,2-Dichlorobenzene	daily maximum	report only (lb/d)	all year	001
1,2-Dichloropropane	daily average	≤ 6.12 mg/L	all year	001
1,2-Dichloropropane	daily maximum	≤ 12.9 mg/L	all year	001
1,2-Dichloropropane	daily average	report only (lb/d)	all year	001
1,2-Dichloropropane	daily maximum	report only (lb/d)	all year	001
trans-1,2-Dichloroethylene	daily average	report only (lb/d)	all year	001
trans-1,2-Dichloroethylene	daily maximum	report only (lb/d)	all year	001
1,2,4-Trichlorobenzene	daily average	report only (lb/d)	all year	001
1,2,4-Trichlorobenzene	daily maximum	report only (lb/d)	all year	001
1,3-Dichlorobenzene	daily average	report only (lb/d)	all year	001
1,3-Dichlorobenzene	daily maximum	report only (lb/d)	all year	001
1,4-Dichlorobenzene	daily average	report only (lb/d)	all year	001
1,4-Dichlorobenzene	daily maximum	report only (lb/d)	all year	001
2-Chlorophenol	daily average	report only (lb/d)	all year	001
2-Chlorophenol	daily maximum	report only (lb/d)	all year	001
2-Nitrophenol	daily average	report only (lb/d)	all year	001
2-Nitrophenol	daily maximum	report only (lb/d)	all year	001
2,4-Dichlorophenol	daily average	report only (lb/d)	all year	001
2,4-Dichlorophenol	daily maximum	report only (lb/d)	all year	001
2,4-Dimethylphenol	daily average	report only (lb/d)	all year	001
2,4-Dimethylphenol	daily maximum	report only (lb/d)	all year	001
2,4-Dinitrotoluene	daily average	report only (lb/d)	all year	001
2,4-Dinitrotoluene	daily maximum	report only (lb/d)	all year	001
2,4-Dinitrophenol	daily average	report only (lb/d)	all year	001
2,4-Dinitrophenol	daily maximum	report only (lb/d)	all year	001
2,6-Dinitrotoluene	daily average	report only (lb/d)	all year	001
2,6-Dinitrotoluene	daily maximum	report only (lb/d)	all year	001
4-Nitrophenol	daily average	report only (lb/d)	all year	001
4-Nitrophenol	daily maximum	report only (lb/d)	all year	001
4,6-Dinitro-o-cresol	daily average	report only (lb/d)	all year	001
4,6-Dinitro-o-cresol	daily maximum	report only (lb/d)	all year	001
Phenol	daily average	report only (lb/d)	all year	001
Phenol	daily maximum	report only (lb/d)	all year	001
Naphthalene	daily average	report only (lb/d)	all year	001
Naphthalene	daily maximum	report only (lb/d)	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	daily average	≤ 1.11 mg/L	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 2.35 mg/L	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	daily average	report only (lb/d)	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	report only (lb/d)	all year	001
Di-n-butyl phthalate	daily average	report only (lb/d)	all year	001
Di-n-butyl phthalate	daily maximum	report only (lb/d)	all year	001
Vinyl chloride	daily average	≤ .65 mg/L	all year	001
Vinyl chloride	daily maximum	≤ 1.38 mg/L	all year	001
Vinyl chloride	daily average	report only (lb/d)	all year	001
Vinyl chloride	daily maximum	report only (lb/d)	all year	001
Trichloroethylene	daily average	report only (lb/d)	all year	001
Trichloroethylene	daily maximum	report only (lb/d)	all year	001
Hexachlorobenzene	daily average	≤ .000047 mg/L	all year	001
Hexachlorobenzene	daily maximum	≤ .000099 mg/L	all year	001
Hexachlorobenzene	daily average	report only (lb/d)	all year	001
Hexachlorobenzene	daily maximum	report only (lb/d)	all year	001
Phenols	daily average	report only (lb/d)	all year	001
Phenols	daily maximum	report only (lb/d)	all year	001
Flow, in conduit or thru treatment plant	daily average	≤ 9.9 MGD	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
1,3-Dichloropropylene	daily average	report only (lb/d)	all year	001
1,3-Dichloropropylene	daily maximum	report only (lb/d)	all year	001
Enterococci	daily maximum	≤ 500 CFU/100mL	all year	001
Solids, total dissolved	daily average	report only (mg/L)	all year	001
Solids, total dissolved	daily maximum	report only (mg/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	001
3,4-Benzofluoranthene	daily average	report only (lb/d)	all year	001
3,4-Benzofluoranthene	daily maximum	report only (lb/d)	all year	001
Chloroethane	daily average	report only (lb/d)	all year	001
Chloroethane	daily maximum	report only (lb/d)	all year	001
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	002
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Enterococci	daily maximum	report only (CFU/100mL)	all year	002
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	002
pH	minimum	≥ 6 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	003
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Enterococci	daily maximum	report only (CFU/100mL)	all year	003
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	003
Temperature, water deg. fahrenheit	daily maximum	≤ 105 deg F	all year	004
BOD, 5-day, 20 deg. C	daily average	report only (mg/L)	all year	004
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	004
BOD, 5-day, 20 deg. C	daily average	report only (lb/d)	all year	004
BOD, 5-day, 20 deg. C	daily maximum	report only (lb/d)	all year	004
pH	minimum	≥ 5 SU	all year	004
pH	maximum	≤ 11 SU	all year	004
Solids, total suspended	daily average	report only (lb/d)	all year	004
Solids, total suspended	daily maximum	report only (lb/d)	all year	004
Oil & Grease	daily average	report only (lb/d)	all year	004
Oil & Grease	daily maximum	report only (lb/d)	all year	004
Nitrogen, ammonia total [as N]	daily average	report only (mg/L)	all year	004
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	004
Nitrogen, ammonia total [as N]	daily average	report only (lb/d)	all year	004
Nitrogen, ammonia total [as N]	daily maximum	report only (lb/d)	all year	004
Carbon, tot organic [TOC]	daily average	report only (mg/L)	all year	004
Carbon, tot organic [TOC]	daily maximum	report only (mg/L)	all year	004
Carbon, tot organic [TOC]	daily average	report only (lb/d)	all year	004
Carbon, tot organic [TOC]	daily maximum	report only (lb/d)	all year	004
Sulfide, total [as S]	daily average	report only (lb/d)	all year	004
Sulfide, total [as S]	daily maximum	report only (lb/d)	all year	004
Chromium, hexavalent [as Cr]	daily average	report only (lb/d)	all year	004
Chromium, hexavalent [as Cr]	daily maximum	report only (lb/d)	all year	004
Chromium, total [as Cr]	daily average	≤ 38.1 lb/d	all year	004
Chromium, total [as Cr]	daily maximum	≤ 76.3 lb/d	all year	004
Copper, total [as Cu]	daily average	report only (lb/d)	all year	004
Copper, total [as Cu]	daily maximum	report only (lb/d)	all year	004
Lead, total [as Pb]	daily average	≤ 12.7 lb/d	all year	004
Lead, total [as Pb]	daily maximum	≤ 26.8 lb/d	all year	004
Nickel, total [as Ni]	daily average	report only (lb/d)	all year	004
Nickel, total [as Ni]	daily maximum	report only (lb/d)	all year	004
Zinc, total [as Zn]	daily average	report only (lb/d)	all year	004
Zinc, total [as Zn]	daily maximum	report only (lb/d)	all year	004
Carbon tetrachloride	daily average	report only (lb/d)	all year	004
Carbon tetrachloride	daily maximum	report only (lb/d)	all year	004
1,2-Dichloroethane	daily average	report only (lb/d)	all year	004
1,2-Dichloroethane	daily maximum	report only (lb/d)	all year	004
Chloroform	daily average	report only (lb/d)	all year	004
Chloroform	daily maximum	report only (lb/d)	all year	004
Toluene	daily average	report only (lb/d)	all year	004
Toluene	daily maximum	report only (lb/d)	all year	004
Benzene	daily average	report only (lb/d)	all year	004
Benzene	daily maximum	report only (lb/d)	all year	004
Acenaphthylene	daily average	report only (lb/d)	all year	004
Acenaphthylene	daily maximum	report only (lb/d)	all year	004
Acenaphthene	daily average	report only (lb/d)	all year	004
Acenaphthene	daily maximum	report only (lb/d)	all year	004
Acrylonitrile	daily average	report only (lb/d)	all year	004
Acrylonitrile	daily maximum	report only (lb/d)	all year	004
Anthracene	daily average	report only (lb/d)	all year	004
Anthracene	daily maximum	report only (lb/d)	all year	004
Benzo[k]fluoranthene	daily average	report only (lb/d)	all year	004
Benzo[k]fluoranthene	daily maximum	report only (lb/d)	all year	004
Benzo[a]pyrene	daily average	report only (lb/d)	all year	004
Benzo[a]pyrene	daily maximum	report only (lb/d)	all year	004
Chlorobenzene	daily average	report only (lb/d)	all year	004
Chlorobenzene	daily maximum	report only (lb/d)	all year	004
Chrysene	daily average	report only (lb/d)	all year	004
Chrysene	daily maximum	report only (lb/d)	all year	004
Diethyl phthalate	daily average	report only (lb/d)	all year	004
Diethyl phthalate	daily maximum	report only (lb/d)	all year	004
Dimethyl phthalate	daily average	report only (lb/d)	all year	004
Dimethyl phthalate	daily maximum	report only (lb/d)	all year	004
Ethylbenzene	daily average	report only (lb/d)	all year	004
Ethylbenzene	daily maximum	report only (lb/d)	all year	004
Fluoranthene	daily average	report only (lb/d)	all year	004
Fluoranthene	daily maximum	report only (lb/d)	all year	004
Fluorene	daily average	report only (lb/d)	all year	004
Fluorene	daily maximum	report only (lb/d)	all year	004
Hexachlorobutadiene	daily average	report only (lb/d)	all year	004
Hexachlorobutadiene	daily maximum	report only (lb/d)	all year	004
Hexachloroethane	daily average	report only (lb/d)	all year	004
Hexachloroethane	daily maximum	report only (lb/d)	all year	004
Methyl chloride [Chloromethane]	daily average	report only (lb/d)	all year	004
Methyl chloride [Chloromethane]	daily maximum	report only (lb/d)	all year	004
Methylene chloride	daily average	report only (lb/d)	all year	004
Methylene chloride	daily maximum	report only (lb/d)	all year	004
Nitrobenzene	daily average	report only (lb/d)	all year	004
Nitrobenzene	daily maximum	report only (lb/d)	all year	004
Phenanthrene	daily average	report only (lb/d)	all year	004
Phenanthrene	daily maximum	report only (lb/d)	all year	004
Pyrene	daily average	report only (lb/d)	all year	004
Pyrene	daily maximum	report only (lb/d)	all year	004
Tetrachloroethylene	daily average	report only (lb/d)	all year	004
Tetrachloroethylene	daily maximum	report only (lb/d)	all year	004
1,1-Dichloroethane	daily average	report only (lb/d)	all year	004
1,1-Dichloroethane	daily maximum	report only (lb/d)	all year	004
1,1-Dichloroethylene	daily average	report only (lb/d)	all year	004
1,1-Dichloroethylene	daily maximum	report only (lb/d)	all year	004
1,1,1-Trichloroethane	daily average	report only (lb/d)	all year	004
1,1,1-Trichloroethane	daily maximum	report only (lb/d)	all year	004
1,1,2-Trichloroethane	daily average	report only (lb/d)	all year	004
1,1,2-Trichloroethane	daily maximum	report only (lb/d)	all year	004
Benzo[a]anthracene	daily average	report only (lb/d)	all year	004
Benzo[a]anthracene	daily maximum	report only (lb/d)	all year	004
1,2-Dichlorobenzene	daily average	report only (lb/d)	all year	004
1,2-Dichlorobenzene	daily maximum	report only (lb/d)	all year	004
1,2-Dichloropropane	daily average	report only (lb/d)	all year	004
1,2-Dichloropropane	daily maximum	report only (lb/d)	all year	004
trans-1,2-Dichloroethylene	daily average	report only (lb/d)	all year	004
trans-1,2-Dichloroethylene	daily maximum	report only (lb/d)	all year	004
1,2,4-Trichlorobenzene	daily average	report only (lb/d)	all year	004
1,2,4-Trichlorobenzene	daily maximum	report only (lb/d)	all year	004
1,3-Dichlorobenzene	daily average	report only (lb/d)	all year	004
1,3-Dichlorobenzene	daily maximum	report only (lb/d)	all year	004
1,4-Dichlorobenzene	daily average	report only (lb/d)	all year	004
1,4-Dichlorobenzene	daily maximum	report only (lb/d)	all year	004
2-Chlorophenol	daily average	report only (lb/d)	all year	004
2-Chlorophenol	daily maximum	report only (lb/d)	all year	004
2-Nitrophenol	daily average	report only (lb/d)	all year	004
2-Nitrophenol	daily maximum	report only (lb/d)	all year	004
2,4-Dichlorophenol	daily average	report only (lb/d)	all year	004
2,4-Dichlorophenol	daily maximum	report only (lb/d)	all year	004
2,4-Dimethylphenol	daily average	report only (lb/d)	all year	004
2,4-Dimethylphenol	daily maximum	report only (lb/d)	all year	004
2,4-Dinitrotoluene	daily average	report only (lb/d)	all year	004
2,4-Dinitrotoluene	daily maximum	report only (lb/d)	all year	004
2,4-Dinitrophenol	daily average	report only (lb/d)	all year	004
2,4-Dinitrophenol	daily maximum	report only (lb/d)	all year	004
2,6-Dinitrotoluene	daily average	report only (lb/d)	all year	004
2,6-Dinitrotoluene	daily maximum	report only (lb/d)	all year	004
4-Nitrophenol	daily average	report only (lb/d)	all year	004
4-Nitrophenol	daily maximum	report only (lb/d)	all year	004
4,6-Dinitro-o-cresol	daily average	report only (lb/d)	all year	004
4,6-Dinitro-o-cresol	daily maximum	report only (lb/d)	all year	004
Phenol	daily average	report only (lb/d)	all year	004
Phenol	daily maximum	report only (lb/d)	all year	004
Naphthalene	daily average	report only (lb/d)	all year	004
Naphthalene	daily maximum	report only (lb/d)	all year	004
Di[2-ethylhexyl] phthalate [DEHP]	daily average	report only (lb/d)	all year	004
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	report only (lb/d)	all year	004
Di-n-butyl phthalate	daily average	report only (lb/d)	all year	004
Di-n-butyl phthalate	daily maximum	report only (lb/d)	all year	004
Vinyl chloride	daily average	report only (lb/d)	all year	004
Vinyl chloride	daily maximum	report only (lb/d)	all year	004
Trichloroethylene	daily average	report only (lb/d)	all year	004
Trichloroethylene	daily maximum	report only (lb/d)	all year	004
4,4'-DDT	daily average	report only (mg/L)	all year	004
4,4'-DDT	daily maximum	report only (mg/L)	all year	004
4,4'-DDT	daily average	report only (lb/d)	all year	004
4,4'-DDT	daily maximum	report only (lb/d)	all year	004
Polychlorinated biphenyls [PCBs]	daily average	report only (mg/L)	all year	004
Polychlorinated biphenyls [PCBs]	daily maximum	report only (mg/L)	all year	004
Polychlorinated biphenyls [PCBs]	daily average	report only (lb/d)	all year	004
Polychlorinated biphenyls [PCBs]	daily maximum	report only (lb/d)	all year	004
Hexachlorobenzene	daily average	≤ .013 lb/d	all year	004
Hexachlorobenzene	daily maximum	≤ .027 lb/d	all year	004
Phenols	daily average	report only (lb/d)	all year	004
Phenols	daily maximum	report only (lb/d)	all year	004
Flow, in conduit or thru treatment plant	daily average	≤ 9.9 MGD	all year	004
Flow, in conduit or thru treatment plant	daily maximum	≤ 13 MGD	all year	004
1,3-Dichloropropylene	daily average	report only (lb/d)	all year	004
1,3-Dichloropropylene	daily maximum	report only (lb/d)	all year	004
Enterococci	daily average	≤ 168 CFU/100mL	all year	004
Enterococci	daily maximum	≤ 500 CFU/100mL	all year	004
3,4-Benzofluoranthene	daily average	report only (lb/d)	all year	004
3,4-Benzofluoranthene	daily maximum	report only (lb/d)	all year	004
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	004
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	004
TCDD equivalents	daily maximum	report only (pg/L)	all year	004
Chloroethane	daily average	report only (lb/d)	all year	004
Chloroethane	daily maximum	report only (lb/d)	all year	004
pH	minimum	≥ 6 SU	all year	005
pH	maximum	≤ 9 SU	all year	005
Oil & Grease	daily maximum	≤ 15 mg/L	all year	005
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	005
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	005
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	005
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	005
Temperature, water deg. fahrenheit	daily maximum	≤ 105 deg F	all year	101
BOD, 5-day, 20 deg. C	daily average	≤ 14.7 mg/L	all year	101
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	101
BOD, 5-day, 20 deg. C	daily average	report only (lb/d)	all year	101
BOD, 5-day, 20 deg. C	daily maximum	report only (lb/d)	all year	101
pH	minimum	≥ 6 SU	all year	101
pH	maximum	≤ 9 SU	all year	101
Solids, total suspended	daily average	report only (lb/d)	all year	101
Solids, total suspended	daily maximum	report only (lb/d)	all year	101
Oil & Grease	daily average	report only (lb/d)	all year	101
Oil & Grease	daily maximum	report only (lb/d)	all year	101
Nitrogen, ammonia total [as N]	daily average	≤ 2.1 mg/L	all year	101
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	101
Nitrogen, ammonia total [as N]	daily average	report only (lb/d)	all year	101
Nitrogen, ammonia total [as N]	daily maximum	report only (lb/d)	all year	101
Carbon, tot organic [TOC]	daily average	report only (lb/d)	all year	101
Carbon, tot organic [TOC]	daily maximum	report only (lb/d)	all year	101
Sulfide, total [as S]	daily average	report only (lb/d)	all year	101
Sulfide, total [as S]	daily maximum	report only (lb/d)	all year	101
Calcium, dissolved [as Ca]	daily average	report only (mg/L)	all year	101
Calcium, dissolved [as Ca]	daily maximum	report only (mg/L)	all year	101
Chromium, hexavalent [as Cr]	daily average	≤ 1.44 mg/L	all year	101
Chromium, hexavalent [as Cr]	daily maximum	≤ 3.05 mg/L	all year	101
Chromium, hexavalent [as Cr]	daily average	report only (lb/d)	all year	101
Chromium, hexavalent [as Cr]	daily maximum	report only (lb/d)	all year	101
Chromium, total [as Cr]	daily average	≤ .5 mg/L	all year	101
Chromium, total [as Cr]	daily maximum	≤ 1 mg/L	all year	101
Copper, total [as Cu]	daily average	≤ .036 mg/L	all year	101
Copper, total [as Cu]	daily maximum	≤ .077 mg/L	all year	101
Copper, total [as Cu]	daily average	report only (lb/d)	all year	101
Copper, total [as Cu]	daily maximum	report only (lb/d)	all year	101
Lead, total [as Pb]	daily average	≤ .462 mg/L	all year	101
Lead, total [as Pb]	daily maximum	≤ .978 mg/L	all year	101
Nickel, total [as Ni]	daily average	≤ .156 mg/L	all year	101
Nickel, total [as Ni]	daily maximum	≤ .331 mg/L	all year	101
Nickel, total [as Ni]	daily average	report only (lb/d)	all year	101
Nickel, total [as Ni]	daily maximum	report only (lb/d)	all year	101
Zinc, total [as Zn]	daily average	≤ .208 mg/L	all year	101
Zinc, total [as Zn]	daily maximum	≤ .44 mg/L	all year	101
Zinc, total [as Zn]	daily average	report only (lb/d)	all year	101
Zinc, total [as Zn]	daily maximum	report only (lb/d)	all year	101
Carbon tetrachloride	daily average	report only (lb/d)	all year	101
Carbon tetrachloride	daily maximum	report only (lb/d)	all year	101
1,2-Dichloroethane	daily average	report only (lb/d)	all year	101
1,2-Dichloroethane	daily maximum	report only (lb/d)	all year	101
Chloroform	daily average	report only (lb/d)	all year	101
Chloroform	daily maximum	report only (lb/d)	all year	101
Toluene	daily average	report only (lb/d)	all year	101
Toluene	daily maximum	report only (lb/d)	all year	101
Benzene	daily average	report only (lb/d)	all year	101
Benzene	daily maximum	report only (lb/d)	all year	101
Acenaphthylene	daily average	report only (lb/d)	all year	101
Acenaphthylene	daily maximum	report only (lb/d)	all year	101
Acenaphthene	daily average	report only (lb/d)	all year	101
Acenaphthene	daily maximum	report only (lb/d)	all year	101
Acrylonitrile	daily average	report only (lb/d)	all year	101
Acrylonitrile	daily maximum	report only (lb/d)	all year	101
Anthracene	daily average	report only (lb/d)	all year	101
Anthracene	daily maximum	report only (lb/d)	all year	101
Benzo[k]fluoranthene	daily average	report only (lb/d)	all year	101
Benzo[k]fluoranthene	daily maximum	report only (lb/d)	all year	101
Benzo[a]pyrene	daily average	report only (lb/d)	all year	101
Benzo[a]pyrene	daily maximum	report only (lb/d)	all year	101
Chlorobenzene	daily average	report only (lb/d)	all year	101
Chlorobenzene	daily maximum	report only (lb/d)	all year	101
Chrysene	daily average	report only (lb/d)	all year	101
Chrysene	daily maximum	report only (lb/d)	all year	101
Diethyl phthalate	daily average	report only (lb/d)	all year	101
Diethyl phthalate	daily maximum	report only (lb/d)	all year	101
Dimethyl phthalate	daily average	report only (lb/d)	all year	101
Dimethyl phthalate	daily maximum	report only (lb/d)	all year	101
Ethylbenzene	daily average	report only (lb/d)	all year	101
Ethylbenzene	daily maximum	report only (lb/d)	all year	101
Fluoranthene	daily average	report only (lb/d)	all year	101
Fluoranthene	daily maximum	report only (lb/d)	all year	101
Fluorene	daily average	report only (lb/d)	all year	101
Fluorene	daily maximum	report only (lb/d)	all year	101
Hexachlorobutadiene	daily average	report only (lb/d)	all year	101
Hexachlorobutadiene	daily maximum	report only (lb/d)	all year	101
Hexachloroethane	daily average	report only (lb/d)	all year	101
Hexachloroethane	daily maximum	report only (lb/d)	all year	101
Methyl chloride [Chloromethane]	daily average	report only (lb/d)	all year	101
Methyl chloride [Chloromethane]	daily maximum	report only (lb/d)	all year	101
Methylene chloride	daily average	report only (lb/d)	all year	101
Methylene chloride	daily maximum	report only (lb/d)	all year	101
Nitrobenzene	daily average	report only (lb/d)	all year	101
Nitrobenzene	daily maximum	report only (lb/d)	all year	101
Phenanthrene	daily average	≤ .01 mg/L	all year	101
Phenanthrene	daily maximum	≤ .021 mg/L	all year	101
Phenanthrene	daily average	report only (lb/d)	all year	101
Phenanthrene	daily maximum	report only (lb/d)	all year	101
Pyrene	daily average	report only (lb/d)	all year	101
Pyrene	daily maximum	report only (lb/d)	all year	101
Tetrachloroethylene	daily average	report only (lb/d)	all year	101
Tetrachloroethylene	daily maximum	report only (lb/d)	all year	101
1,1-Dichloroethane	daily average	report only (lb/d)	all year	101
1,1-Dichloroethane	daily maximum	report only (lb/d)	all year	101
1,1-Dichloroethylene	daily average	report only (lb/d)	all year	101
1,1-Dichloroethylene	daily maximum	report only (lb/d)	all year	101
1,1,1-Trichloroethane	daily average	report only (lb/d)	all year	101
1,1,1-Trichloroethane	daily maximum	report only (lb/d)	all year	101
1,1,2-Trichloroethane	daily average	report only (lb/d)	all year	101
1,1,2-Trichloroethane	daily maximum	report only (lb/d)	all year	101
Benzo[a]anthracene	daily average	report only (lb/d)	all year	101
Benzo[a]anthracene	daily maximum	report only (lb/d)	all year	101
1,2-Dichlorobenzene	daily average	report only (lb/d)	all year	101
1,2-Dichlorobenzene	daily maximum	report only (lb/d)	all year	101
1,2-Dichloropropane	daily average	report only (lb/d)	all year	101
1,2-Dichloropropane	daily maximum	report only (lb/d)	all year	101
trans-1,2-Dichloroethylene	daily average	report only (lb/d)	all year	101
trans-1,2-Dichloroethylene	daily maximum	report only (lb/d)	all year	101
1,2,4-Trichlorobenzene	daily average	report only (lb/d)	all year	101
1,2,4-Trichlorobenzene	daily maximum	report only (lb/d)	all year	101
1,3-Dichlorobenzene	daily average	report only (lb/d)	all year	101
1,3-Dichlorobenzene	daily maximum	report only (lb/d)	all year	101
1,4-Dichlorobenzene	daily average	report only (lb/d)	all year	101
1,4-Dichlorobenzene	daily maximum	report only (lb/d)	all year	101
2-Chlorophenol	daily average	report only (lb/d)	all year	101
2-Chlorophenol	daily maximum	report only (lb/d)	all year	101
2-Nitrophenol	daily average	report only (lb/d)	all year	101
2-Nitrophenol	daily maximum	report only (lb/d)	all year	101
2,4-Dichlorophenol	daily average	report only (lb/d)	all year	101
2,4-Dichlorophenol	daily maximum	report only (lb/d)	all year	101
2,4-Dimethylphenol	daily average	report only (lb/d)	all year	101
2,4-Dimethylphenol	daily maximum	report only (lb/d)	all year	101
2,4-Dinitrotoluene	daily average	report only (lb/d)	all year	101
2,4-Dinitrotoluene	daily maximum	report only (lb/d)	all year	101
2,4-Dinitrophenol	daily average	report only (lb/d)	all year	101
2,4-Dinitrophenol	daily maximum	report only (lb/d)	all year	101
2,6-Dinitrotoluene	daily average	report only (lb/d)	all year	101
2,6-Dinitrotoluene	daily maximum	report only (lb/d)	all year	101
4-Nitrophenol	daily average	report only (lb/d)	all year	101
4-Nitrophenol	daily maximum	report only (lb/d)	all year	101
4,6-Dinitro-o-cresol	daily average	report only (lb/d)	all year	101
4,6-Dinitro-o-cresol	daily maximum	report only (lb/d)	all year	101
Phenol	daily average	report only (lb/d)	all year	101
Phenol	daily maximum	report only (lb/d)	all year	101
Naphthalene	daily average	report only (lb/d)	all year	101
Naphthalene	daily maximum	report only (lb/d)	all year	101
Di[2-ethylhexyl] phthalate [DEHP]	daily average	report only (lb/d)	all year	101
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	report only (lb/d)	all year	101
Di-n-butyl phthalate	daily average	report only (lb/d)	all year	101
Di-n-butyl phthalate	daily maximum	report only (lb/d)	all year	101
Vinyl chloride	daily average	report only (lb/d)	all year	101
Vinyl chloride	daily maximum	report only (lb/d)	all year	101
Trichloroethylene	daily average	report only (lb/d)	all year	101
Trichloroethylene	daily maximum	report only (lb/d)	all year	101
Hexachlorobenzene	daily average	≤ .00028 mg/L	all year	101
Hexachlorobenzene	daily maximum	≤ .00059 mg/L	all year	101
Hexachlorobenzene	daily average	report only (lb/d)	all year	101
Hexachlorobenzene	daily maximum	report only (lb/d)	all year	101
Phenols	daily average	report only (lb/d)	all year	101
Phenols	daily maximum	report only (lb/d)	all year	101
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	101
1,3-Dichloropropylene	daily average	report only (lb/d)	all year	101
1,3-Dichloropropylene	daily maximum	report only (lb/d)	all year	101
Enterococci	daily maximum	≤ 500 CFU/100mL	all year	101
Solids, total dissolved	daily average	report only (mg/L)	all year	101
Solids, total dissolved	daily maximum	report only (mg/L)	all year	101
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	101
3,4-Benzofluoranthene	daily average	report only (lb/d)	all year	101
3,4-Benzofluoranthene	daily maximum	report only (lb/d)	all year	101
Chloroethane	daily average	report only (lb/d)	all year	101
Chloroethane	daily maximum	report only (lb/d)	all year	101
BOD, 5-day, 20 deg. C	daily average	≤ 1213 lb/d	all year	104
BOD, 5-day, 20 deg. C	daily maximum	≤ 3091 lb/d	all year	104
Solids, total suspended	daily average	≤ 2278 lb/d	all year	104
Solids, total suspended	daily maximum	≤ 6700 lb/d	all year	104
Oil & Grease	daily average	≤ 660 lb/d	all year	104
Oil & Grease	daily maximum	≤ 990 lb/d	all year	104
Nitrogen, ammonia total [as N]	daily average	≤ 175 lb/d	all year	104
Nitrogen, ammonia total [as N]	daily maximum	≤ 350 lb/d	all year	104
Carbon, tot organic [TOC]	daily average	≤ 5342 lb/d	all year	104
Carbon, tot organic [TOC]	daily maximum	≤ 10591 lb/d	all year	104
Sulfide, total [as S]	daily average	≤ 10 lb/d	all year	104
Sulfide, total [as S]	daily maximum	≤ 20 lb/d	all year	104
Chromium, hexavalent [as Cr]	daily average	≤ 2.1 lb/d	all year	104
Chromium, hexavalent [as Cr]	daily maximum	≤ 4.7 lb/d	all year	104
Copper, total [as Cu]	daily average	≤ 4.36 lb/d	all year	104
Copper, total [as Cu]	daily maximum	≤ 10.2 lb/d	all year	104
Nickel, total [as Ni]	daily average	≤ 4.45 lb/d	all year	104
Nickel, total [as Ni]	daily maximum	≤ 5.94 lb/d	all year	104
Zinc, total [as Zn]	daily average	≤ 16.65 lb/d	all year	104
Zinc, total [as Zn]	daily maximum	≤ 41.38 lb/d	all year	104
Carbon tetrachloride	daily average	≤ .52 lb/d	all year	104
Carbon tetrachloride	daily maximum	≤ 1.09 lb/d	all year	104
1,2-Dichloroethane	daily average	≤ 1.95 lb/d	all year	104
1,2-Dichloroethane	daily maximum	≤ 6.04 lb/d	all year	104
Chloroform	daily average	≤ .6 lb/d	all year	104
Chloroform	daily maximum	≤ 1.32 lb/d	all year	104
Toluene	daily average	≤ .74 lb/d	all year	104
Toluene	daily maximum	≤ 2.29 lb/d	all year	104
Benzene	daily average	≤ 1.06 lb/d	all year	104
Benzene	daily maximum	≤ 3.89 lb/d	all year	104
Acenaphthylene	daily average	≤ .63 lb/d	all year	104
Acenaphthylene	daily maximum	≤ 1.69 lb/d	all year	104
Acenaphthene	daily average	≤ .63 lb/d	all year	104
Acenaphthene	daily maximum	≤ 1.69 lb/d	all year	104
Acrylonitrile	daily average	≤ 2.75 lb/d	all year	104
Acrylonitrile	daily maximum	≤ 6.93 lb/d	all year	104
Anthracene	daily average	≤ .63 lb/d	all year	104
Anthracene	daily maximum	≤ 1.69 lb/d	all year	104
Benzo[k]fluoranthene	daily average	≤ .63 lb/d	all year	104
Benzo[k]fluoranthene	daily maximum	≤ 1.69 lb/d	all year	104
Benzo[a]pyrene	daily average	≤ .66 lb/d	all year	104
Benzo[a]pyrene	daily maximum	≤ 1.75 lb/d	all year	104
Chlorobenzene	daily average	≤ .43 lb/d	all year	104
Chlorobenzene	daily maximum	≤ .8 lb/d	all year	104
Chrysene	daily average	≤ .63 lb/d	all year	104
Chrysene	daily maximum	≤ 1.69 lb/d	all year	104
Diethyl phthalate	daily average	≤ 2.32 lb/d	all year	104
Diethyl phthalate	daily maximum	≤ 5.81 lb/d	all year	104
Dimethyl phthalate	daily average	≤ .54 lb/d	all year	104
Dimethyl phthalate	daily maximum	≤ 1.35 lb/d	all year	104
Ethylbenzene	daily average	≤ .92 lb/d	all year	104
Ethylbenzene	daily maximum	≤ 3.09 lb/d	all year	104
Fluoranthene	daily average	≤ .72 lb/d	all year	104
Fluoranthene	daily maximum	≤ 1.95 lb/d	all year	104
Fluorene	daily average	≤ .63 lb/d	all year	104
Fluorene	daily maximum	≤ 1.69 lb/d	all year	104
Hexachlorobutadiene	daily average	≤ .57 lb/d	all year	104
Hexachlorobutadiene	daily maximum	≤ 1.4 lb/d	all year	104
Hexachloroethane	daily average	≤ .6 lb/d	all year	104
Hexachloroethane	daily maximum	≤ 1.55 lb/d	all year	104
Methyl chloride [Chloromethane]	daily average	≤ 2.46 lb/d	all year	104
Methyl chloride [Chloromethane]	daily maximum	≤ 5.44 lb/d	all year	104
Methylene chloride	daily average	≤ 1.14 lb/d	all year	104
Methylene chloride	daily maximum	≤ 2.55 lb/d	all year	104
Nitrobenzene	daily average	≤ .77 lb/d	all year	104
Nitrobenzene	daily maximum	≤ 1.95 lb/d	all year	104
Phenanthrene	daily average	≤ .63 lb/d	all year	104
Phenanthrene	daily maximum	≤ 1.69 lb/d	all year	104
Pyrene	daily average	≤ .72 lb/d	all year	104
Pyrene	daily maximum	≤ 1.92 lb/d	all year	104
Tetrachloroethylene	daily average	≤ .63 lb/d	all year	104
Tetrachloroethylene	daily maximum	≤ 1.6 lb/d	all year	104
1,1-Dichloroethane	daily average	≤ .63 lb/d	all year	104
1,1-Dichloroethane	daily maximum	≤ 1.69 lb/d	all year	104
1,1-Dichloroethylene	daily average	≤ .46 lb/d	all year	104
1,1-Dichloroethylene	daily maximum	≤ .72 lb/d	all year	104
1,1,1-Trichloroethane	daily average	≤ .6 lb/d	all year	104
1,1,1-Trichloroethane	daily maximum	≤ 1.55 lb/d	all year	104
1,1,2-Trichloroethane	daily average	≤ .6 lb/d	all year	104
1,1,2-Trichloroethane	daily maximum	≤ 1.55 lb/d	all year	104
Benzo[a]anthracene	daily average	≤ .063 lb/d	all year	104
Benzo[a]anthracene	daily maximum	≤ .169 lb/d	all year	104
1,2-Dichlorobenzene	daily average	≤ 2.2 lb/d	all year	104
1,2-Dichlorobenzene	daily maximum	≤ 4.67 lb/d	all year	104
1,2-Dichloropropane	daily average	≤ 4.38 lb/d	all year	104
1,2-Dichloropropane	daily maximum	≤ 6.58 lb/d	all year	104
trans-1,2-Dichloroethylene	daily average	≤ .6 lb/d	all year	104
trans-1,2-Dichloroethylene	daily maximum	≤ 1.55 lb/d	all year	104
1,2,4-Trichlorobenzene	daily average	≤ 1.95 lb/d	all year	104
1,2,4-Trichlorobenzene	daily maximum	≤ 4.01 lb/d	all year	104
1,3-Dichlorobenzene	daily average	≤ .89 lb/d	all year	104
1,3-Dichlorobenzene	daily maximum	≤ 1.26 lb/d	all year	104
1,4-Dichlorobenzene	daily average	≤ .43 lb/d	all year	104
1,4-Dichlorobenzene	daily maximum	≤ .8 lb/d	all year	104
2-Chlorophenol	daily average	≤ .89 lb/d	all year	104
2-Chlorophenol	daily maximum	≤ 2.81 lb/d	all year	104
2-Nitrophenol	daily average	≤ 1.17 lb/d	all year	104
2-Nitrophenol	daily maximum	≤ 1.98 lb/d	all year	104
2,4-Dichlorophenol	daily average	≤ 1.12 lb/d	all year	104
2,4-Dichlorophenol	daily maximum	≤ 3.21 lb/d	all year	104
2,4-Dimethylphenol	daily average	≤ .52 lb/d	all year	104
2,4-Dimethylphenol	daily maximum	≤ 1.03 lb/d	all year	104
2,4-Dinitrotoluene	daily average	≤ 3.23 lb/d	all year	104
2,4-Dinitrotoluene	daily maximum	≤ 8.16 lb/d	all year	104
2,4-Dinitrophenol	daily average	≤ 2.03 lb/d	all year	104
2,4-Dinitrophenol	daily maximum	≤ 3.52 lb/d	all year	104
2,6-Dinitrotoluene	daily average	≤ 7.3 lb/d	all year	104
2,6-Dinitrotoluene	daily maximum	≤ 18.35 lb/d	all year	104
4-Nitrophenol	daily average	≤ 2.06 lb/d	all year	104
4-Nitrophenol	daily maximum	≤ 3.55 lb/d	all year	104
4,6-Dinitro-o-cresol	daily average	≤ 2.23 lb/d	all year	104
4,6-Dinitro-o-cresol	daily maximum	≤ 7.93 lb/d	all year	104
Phenol	daily average	≤ .43 lb/d	all year	104
Phenol	daily maximum	≤ .74 lb/d	all year	104
Naphthalene	daily average	≤ .63 lb/d	all year	104
Naphthalene	daily maximum	≤ 1.69 lb/d	all year	104
Di[2-ethylhexyl] phthalate [DEHP]	daily average	≤ 2.95 lb/d	all year	104
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 7.99 lb/d	all year	104
Di-n-butyl phthalate	daily average	≤ .77 lb/d	all year	104
Di-n-butyl phthalate	daily maximum	≤ 1.63 lb/d	all year	104
Vinyl chloride	daily average	≤ 2.98 lb/d	all year	104
Vinyl chloride	daily maximum	≤ 7.67 lb/d	all year	104
Trichloroethylene	daily average	≤ .6 lb/d	all year	104
Trichloroethylene	daily maximum	≤ 1.55 lb/d	all year	104
Hexachlorobenzene	daily average	≤ .43 lb/d	all year	104
Hexachlorobenzene	daily maximum	≤ .8 lb/d	all year	104
Phenols	daily average	≤ 12 lb/d	all year	104
Phenols	daily maximum	≤ 20 lb/d	all year	104
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	104
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	104
1,3-Dichloropropylene	daily average	≤ .83 lb/d	all year	104
1,3-Dichloropropylene	daily maximum	≤ 1.26 lb/d	all year	104
3,4-Benzofluoranthene	daily average	≤ .66 lb/d	all year	104
3,4-Benzofluoranthene	daily maximum	≤ 1.75 lb/d	all year	104
Chloroethane	daily average	≤ 2.98 lb/d	all year	104
Chloroethane	daily maximum	≤ 7.67 lb/d	all year	104
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	204
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	204
Whole effluent toxicity - retest #1	7-day minimum	report only (pass=0;fail=1)	all year	TX4
Whole effluent toxicity - retest #1	monthly average minimum	report only (pass=0;fail=1)	all year	TX4
Whole effluent toxicity - retest #2	7-day minimum	report only (pass=0;fail=1)	all year	TX4
Whole effluent toxicity - retest #2	monthly average minimum	report only (pass=0;fail=1)	all year	TX4
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	7-day minimum	report only (pass=0;fail=1)	all year	TX4
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	monthly average minimum	report only (pass=0;fail=1)	all year	TX4
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina	7-day minimum	report only (pass=0;fail=1)	all year	TX4
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina	monthly average minimum	report only (pass=0;fail=1)	all year	TX4
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX4
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX4
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina	7-day minimum	report only (%)	all year	TX4
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina	monthly average minimum	report only (%)	all year	TX4
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX4
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX4
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina	7-day minimum	report only (%)	all year	TX4
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina	monthly average minimum	report only (%)	all year	TX4
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (pass=0;fail=1)	all year	TX4
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (pass=0;fail=1)	all year	TX4
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina	7-day minimum	report only (pass=0;fail=1)	all year	TX4
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina	monthly average minimum	report only (pass=0;fail=1)	all year	TX4
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX4
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX4
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina	7-day minimum	report only (%)	all year	TX4
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina	monthly average minimum	report only (%)	all year	TX4
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX4
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX4
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina	7-day minimum	report only (%)	all year	TX4
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina	monthly average minimum	report only (%)	all year	TX4
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)	single sample	report only (pass=0;fail=1)	all year	TXA
LC50 Pass/Fail Static 24Hr Acute Menidia beryllina	single sample	report only (pass=0;fail=1)	all year	TXA

New limits from Dec 1, 2026

Parameter	New limit	New or tighter	Median, last 12 months	× new limit
1,2-Dichloropropane, daily average outfall 001	0.61 mg/L	tighter	—	—
1,2-Dichloropropane, daily maximum outfall 001	1.28 mg/L	tighter	—	—
Benzo[a]anthracene, daily average outfall 001	0.00006 mg/L	tighter	—	—
Benzo[a]anthracene, daily maximum outfall 001	0.00012 mg/L	tighter	—	—
Benzo[a]pyrene, daily average outfall 001	0.000006 mg/L	tighter	—	—
Benzo[a]pyrene, daily maximum outfall 001	0.000012 mg/L	tighter	—	—
Carbon tetrachloride, daily average outfall 001	0.107 mg/L	tighter	—	—
Carbon tetrachloride, daily maximum outfall 001	0.227 mg/L	tighter	—	—
Chromium, hexavalent [as Cr], daily average outfall 001	0.0721 mg/L	tighter	—	—
Chromium, hexavalent [as Cr], daily maximum outfall 001	0.152 mg/L	tighter	—	—
Copper, total [as Cu], daily average outfall 001	0.011 mg/L	tighter	—	—
Copper, total [as Cu], daily maximum outfall 001	0.023 mg/L	tighter	—	—
Di[2-ethylhexyl] phthalate [DEHP], daily average outfall 001	0.0176 mg/L	tighter	—	—
Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 001	0.0373 mg/L	tighter	—	—
Hexachlorobenzene, daily average outfall 001	0.000002 mg/L	tighter	—	—
Hexachlorobenzene, daily maximum outfall 001	0.000003 mg/L	tighter	—	—
Hexachloroethane, daily average outfall 001	0.005 mg/L	tighter	—	—
Hexachloroethane, daily maximum outfall 001	0.012 mg/L	tighter	—	—
Lead, total [as Pb], daily average outfall 001	0.02 mg/L	tighter	—	—
Lead, total [as Pb], daily maximum outfall 001	0.043 mg/L	tighter	—	—
Nickel, total [as Ni], daily average outfall 001	0.019 mg/L	tighter	—	—
Nickel, total [as Ni], daily maximum outfall 001	0.0403 mg/L	tighter	—	—
Phenanthrene, daily average outfall 001	0.007 mg/L	tighter	—	—
Phenanthrene, daily maximum outfall 001	0.014 mg/L	tighter	—	—
Tetrachloroethylene, daily average outfall 001	0.654 mg/L	tighter	—	—
Tetrachloroethylene, daily maximum outfall 001	1.385 mg/L	tighter	—	—
Vinyl chloride, daily average outfall 001	0.0385 mg/L	tighter	—	—
Vinyl chloride, daily maximum outfall 001	0.0816 mg/L	tighter	—	—
Zinc, total [as Zn], daily average outfall 001	0.141 mg/L	tighter	—	—
Zinc, total [as Zn], daily maximum outfall 001	0.299 mg/L	tighter	—	—
4,4'-DDT, daily average outfall 004	0.000908 lb/d	new	0 lb/d (12 values)	0×
4,4'-DDT, daily average outfall 004	0.000011 mg/L	new	0 mg/L (12 values)	0×
4,4'-DDT, daily maximum outfall 004	0.000024 mg/L	new	0 mg/L (12 values)	0×
4,4'-DDT, daily maximum outfall 004	0.00198 lb/d	new	0 lb/d (12 values)	0×
Hexachlorobenzene, daily average outfall 004	0.00192 lb/d	tighter	—	—
Hexachlorobenzene, daily maximum outfall 004	0.00406 lb/d	tighter	—	—
Polychlorinated biphenyls [PCBs], daily average outfall 004	0.0018 lb/d	new	0 lb/d (12 values)	0×
Polychlorinated biphenyls [PCBs], daily average outfall 004	0.000022 mg/L	new	0 mg/L (12 values)	0×
Polychlorinated biphenyls [PCBs], daily maximum outfall 004	0.000046 mg/L	new	0 mg/L (12 values)	0×
Polychlorinated biphenyls [PCBs], daily maximum outfall 004	0.0038 lb/d	new	0 lb/d (12 values)	0×
Chromium, hexavalent [as Cr], daily average outfall 101	0.067 mg/L	tighter	—	—
Chromium, hexavalent [as Cr], daily maximum outfall 101	0.141 mg/L	tighter	—	—
Copper, total [as Cu], daily average outfall 101	0.01 mg/L	tighter	0 mg/L (6 values)	0×
Copper, total [as Cu], daily maximum outfall 101	0.021 mg/L	tighter	0.01 mg/L (6 values, 5 below detection)	—
Lead, total [as Pb], daily average outfall 101	0.019 mg/L	tighter	0 mg/L (6 values)	0×
Lead, total [as Pb], daily maximum outfall 101	0.04 mg/L	tighter	0.005 mg/L (6 values, 5 below detection)	—
Nickel, total [as Ni], daily average outfall 101	0.018 mg/L	tighter	0.0055 mg/L (6 values)	0.306×
Nickel, total [as Ni], daily maximum outfall 101	0.037 mg/L	tighter	0.0105 mg/L (6 values, 2 below detection)	0.284×
Phenanthrene, daily average outfall 101	0.006 mg/L	tighter	—	—
Phenanthrene, daily maximum outfall 101	0.013 mg/L	tighter	—	—
Zinc, total [as Zn], daily average outfall 101	0.138 mg/L	tighter	0.0345 mg/L (6 values)	0.25×
Zinc, total [as Zn], daily maximum outfall 101	0.292 mg/L	tighter	0.051 mg/L (6 values)	0.175×
Benzo[a]anthracene, daily maximum outfall 104	0.15 lb/d	tighter	—	—
Benzo[a]pyrene, daily average outfall 104	0.0071 lb/d	tighter	—	—
Benzo[a]pyrene, daily maximum outfall 104	0.015 lb/d	tighter	—	—
Hexachlorobenzene, daily average outfall 104	0.0019 lb/d	tighter	—	—
Hexachlorobenzene, daily maximum outfall 104	0.0041 lb/d	tighter	—	—

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/TX0004863 · MCP: https://passage-data.com/mcp