Dow Silicones Corp — NPDES permit KY0001279: limits, due date and EPA's record

Industrial Organic Chemicals, major discharger, Carrollton, Kentucky. NPDES permit KY0001279, in force until Jan 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (143)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	monthly average	≤ 95 deg F	all year	001
Temperature, water deg. fahrenheit	daily maximum	≤ 100 deg F	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Hardness, total [as CaCO3]	monthly average	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Chloride [as Cl]	monthly average	report only (mg/L)	all year	001
Chloride [as Cl]	daily maximum	report only (mg/L)	all year	001
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, final conc toxicity units	maximum	≤ 1 tox acute	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 223.26 lb/d	all year	002
BOD, 5-day, 20 deg. C	daily maximum	≤ 594.3 lb/d	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Solids, total suspended	monthly average	≤ 289.18 lb/d	all year	002
Solids, total suspended	daily maximum	≤ 926.55 lb/d	all year	002
Cyanide, total [as CN]	monthly average	≤ 4.17 lb/d	all year	002
Cyanide, total [as CN]	daily maximum	≤ 11.91 lb/d	all year	002
Nickel, total recoverable	monthly average	≤ 16.77 lb/d	all year	002
Nickel, total recoverable	daily maximum	≤ 39.49 lb/d	all year	002
Zinc, total recoverable	monthly average	≤ 10.42 lb/d	all year	002
Zinc, total recoverable	daily maximum	≤ 25.9 lb/d	all year	002
Lead, total recoverable	monthly average	≤ 3.18 lb/d	all year	002
Lead, total recoverable	daily maximum	≤ 6.85 lb/d	all year	002
Chromium, total recoverable	monthly average	≤ 11.01 lb/d	all year	002
Chromium, total recoverable	daily maximum	≤ 27.48 lb/d	all year	002
Copper, total recoverable	monthly average	≤ 14.39 lb/d	all year	002
Copper, total recoverable	daily maximum	≤ 33.54 lb/d	all year	002
Carbon tetrachloride	monthly average	≤ .18 lb/d	all year	002
Carbon tetrachloride	daily maximum	≤ .38 lb/d	all year	002
1,2-Dichloroethane	monthly average	≤ .67 lb/d	all year	002
1,2-Dichloroethane	daily maximum	≤ 2.09 lb/d	all year	002
Chloroform	monthly average	≤ .21 lb/d	all year	002
Chloroform	daily maximum	≤ .46 lb/d	all year	002
Toluene	monthly average	≤ .26 lb/d	all year	002
Toluene	daily maximum	≤ .79 lb/d	all year	002
Benzene	monthly average	≤ .37 lb/d	all year	002
Benzene	daily maximum	≤ 1.35 lb/d	all year	002
Acenaphthylene	monthly average	≤ .22 lb/d	all year	002
Acenaphthylene	daily maximum	≤ .59 lb/d	all year	002
Acenaphthene	monthly average	≤ .22 lb/d	all year	002
Acenaphthene	daily maximum	≤ .59 lb/d	all year	002
Acrylonitrile	monthly average	≤ .95 lb/d	all year	002
Acrylonitrile	daily maximum	≤ 2.4 lb/d	all year	002
Anthracene	monthly average	≤ .22 lb/d	all year	002
Anthracene	daily maximum	≤ .59 lb/d	all year	002
Benzo[k]fluoranthene	monthly average	≤ .22 lb/d	all year	002
Benzo[k]fluoranthene	daily maximum	≤ .59 lb/d	all year	002
Benzo[a]pyrene	monthly average	≤ .23 lb/d	all year	002
Benzo[a]pyrene	daily maximum	≤ .61 lb/d	all year	002
Chlorobenzene	monthly average	≤ .15 lb/d	all year	002
Chlorobenzene	daily maximum	≤ .28 lb/d	all year	002
Chrysene	monthly average	≤ .22 lb/d	all year	002
Chrysene	daily maximum	≤ .59 lb/d	all year	002
Diethyl phthalate	monthly average	≤ .8 lb/d	all year	002
Diethyl phthalate	daily maximum	≤ 2.01 lb/d	all year	002
Dimethyl phthalate	monthly average	≤ .19 lb/d	all year	002
Dimethyl phthalate	daily maximum	≤ .47 lb/d	all year	002
Ethylbenzene	monthly average	≤ .32 lb/d	all year	002
Ethylbenzene	daily maximum	≤ 1.07 lb/d	all year	002
Fluoranthene	monthly average	≤ .25 lb/d	all year	002
Fluoranthene	daily maximum	≤ .67 lb/d	all year	002
Fluorene	monthly average	≤ .22 lb/d	all year	002
Fluorene	daily maximum	≤ .59 lb/d	all year	002
Hexachloroethane	monthly average	≤ .21 lb/d	all year	002
Hexachloroethane	daily maximum	≤ .54 lb/d	all year	002
Methyl chloride [Chloromethane]	monthly average	≤ .85 lb/d	all year	002
Methyl chloride [Chloromethane]	daily maximum	≤ 1.89 lb/d	all year	002
Methylene chloride	monthly average	≤ .4 lb/d	all year	002
Methylene chloride	daily maximum	≤ .88 lb/d	all year	002
Nitrobenzene	monthly average	≤ .27 lb/d	all year	002
Nitrobenzene	daily maximum	≤ .67 lb/d	all year	002
Phenanthrene	monthly average	≤ .22 lb/d	all year	002
Phenanthrene	daily maximum	≤ .59 lb/d	all year	002
Pyrene	monthly average	≤ .25 lb/d	all year	002
Pyrene	daily maximum	≤ .66 lb/d	all year	002
Tetrachloroethylene	monthly average	≤ .22 lb/d	all year	002
Tetrachloroethylene	daily maximum	≤ .56 lb/d	all year	002
1,1-Dichloroethane	monthly average	≤ .22 lb/d	all year	002
1,1-Dichloroethane	daily maximum	≤ .59 lb/d	all year	002
1,1-Dichloroethylene	monthly average	≤ .16 lb/d	all year	002
1,1-Dichloroethylene	daily maximum	≤ .25 lb/d	all year	002
1,1,1-Trichloroethane	monthly average	≤ .21 lb/d	all year	002
1,1,1-Trichloroethane	daily maximum	≤ .54 lb/d	all year	002
1,1,2-Trichloroethane	monthly average	≤ .21 lb/d	all year	002
1,1,2-Trichloroethane	daily maximum	≤ .54 lb/d	all year	002
Benzo[a]anthracene	monthly average	≤ .22 lb/d	all year	002
Benzo[a]anthracene	daily maximum	≤ .59 lb/d	all year	002
1,2-Dichlorobenzene	monthly average	≤ .76 lb/d	all year	002
1,2-Dichlorobenzene	daily maximum	≤ 1.62 lb/d	all year	002
1,2-Dichloropropane	monthly average	≤ 1.52 lb/d	all year	002
1,2-Dichloropropane	daily maximum	≤ 2.28 lb/d	all year	002
trans-1,2-Dichloroethylene	monthly average	≤ .21 lb/d	all year	002
trans-1,2-Dichloroethylene	daily maximum	≤ .54 lb/d	all year	002
1,2,4-Trichlorobenzene	monthly average	≤ .67 lb/d	all year	002
1,2,4-Trichlorobenzene	daily maximum	≤ 1.39 lb/d	all year	002
1,3-Dichlorobenzene	monthly average	≤ .31 lb/d	all year	002
1,3-Dichlorobenzene	daily maximum	≤ .44 lb/d	all year	002
1,4-Dichlorobenzene	monthly average	≤ .15 lb/d	all year	002
1,4-Dichlorobenzene	daily maximum	≤ .28 lb/d	all year	002
2-Chlorophenol	monthly average	≤ .31 lb/d	all year	002
2-Chlorophenol	daily maximum	≤ .97 lb/d	all year	002
2-Nitrophenol	monthly average	≤ .41 lb/d	all year	002
2-Nitrophenol	daily maximum	≤ .68 lb/d	all year	002
2,4-Dichlorophenol	monthly average	≤ .39 lb/d	all year	002
2,4-Dichlorophenol	daily maximum	≤ 1.11 lb/d	all year	002
2,4-Dimethylphenol	monthly average	≤ .19 lb/d	all year	002
2,4-Dimethylphenol	daily maximum	≤ .36 lb/d	all year	002
2,4-Dinitrotoluene	monthly average	≤ 1.12 lb/d	all year	002
2,4-Dinitrotoluene	daily maximum	≤ 2.83 lb/d	all year	002
2,4-Dinitrophenol	monthly average	≤ .7 lb/d	all year	002
2,4-Dinitrophenol	daily maximum	≤ 1.22 lb/d	all year	002
2,6-Dinitrotoluene	monthly average	≤ 2.53 lb/d	all year	002
2,6-Dinitrotoluene	daily maximum	≤ 6.36 lb/d	all year	002
4-Nitrophenol	monthly average	≤ .71 lb/d	all year	002
4-Nitrophenol	daily maximum	≤ 1.23 lb/d	all year	002
4,6-Dinitro-o-cresol	monthly average	≤ .77 lb/d	all year	002
4,6-Dinitro-o-cresol	daily maximum	≤ 2.75 lb/d	all year	002
Phenol	monthly average	≤ .15 lb/d	all year	002
Phenol	daily maximum	≤ .26 lb/d	all year	002
Naphthalene	monthly average	≤ .22 lb/d	all year	002
Naphthalene	daily maximum	≤ .59 lb/d	all year	002
Di[2-ethylhexyl] phthalate [DEHP]	monthly average	≤ 1.02 lb/d	all year	002
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 2.77 lb/d	all year	002
Di-n-butyl phthalate	monthly average	≤ .27 lb/d	all year	002
Di-n-butyl phthalate	daily maximum	≤ .57 lb/d	all year	002
Vinyl chloride	monthly average	≤ 1.03 lb/d	all year	002
Vinyl chloride	daily maximum	≤ 2.66 lb/d	all year	002
Trichloroethylene	monthly average	≤ .21 lb/d	all year	002
Trichloroethylene	daily maximum	≤ .54 lb/d	all year	002
Hexachlorobenzene	monthly average	≤ .15 lb/d	all year	002
Hexachlorobenzene	daily maximum	≤ .28 lb/d	all year	002
Hexachlorobutadiene	monthly average	≤ .2 lb/d	all year	002
Hexachlorobutadiene	daily maximum	≤ .49 lb/d	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
1,3-Dichloropropylene	monthly average	≤ .29 lb/d	all year	002
1,3-Dichloropropylene	daily maximum	≤ .44 lb/d	all year	002
3,4-Benzofluoranthene	monthly average	≤ .23 lb/d	all year	002
3,4-Benzofluoranthene	daily maximum	≤ .61 lb/d	all year	002
Chloroethane	monthly average	≤ 1.03 lb/d	all year	002
Chloroethane	daily maximum	≤ 2.66 lb/d	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/KY0001279 · MCP: https://passage-data.com/mcp