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Dow Inc.

Rank in Toxic 100 Water: 2
Surface Water releases 2019 (lbs): 1,364,307
POTW (sewerage plant) transfers 2019 (lbs): 132,862
Total Surface Water and POTW Toxic Hazard 2019: 41,732,499,631
Percentage of national total 2019 surface water and POTW hazard: 9.2%
EJ: Near Poor Share: 35%
EJ: Minority Share: 48%

You can also view this company's penalties in Violation Tracker.
You can also look at this company's state, local, and Federal subsidies in Subsidy Tracker.
This company is rank 6 on the Toxic 100 Air list.
This company is rank 39 on the Greenhouse 100 list.

Chemicals at facilities displayed below: (
display facilities) (display chemicals)
(Click on column headers to re-sort table: current sort is by percent of total company hazard.)
(Links on facility names lead to full TRI reports. Links on cities lead to Mapquest maps. Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on chemical health effects.)
Split *
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX 1,2,3-Trichloropropane 1,109 0 33,270,000,000 79.72%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX 4,4'-Methylenedianiline 3,983 0 6,372,800,000 15.27%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Propylene oxide 1,426 0 342,240,000 0.82%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Ethylene oxide 1,348 0 296,560,000 0.71%
THE DOW CHEMICAL CO MIDLAND MI Polycyclic aromatic compounds 1,497 0 269,460,000 0.65%
UNION CARBIDE CORP SEADRIFT PLANT SEADRIFT TX Dioxane 1,946 0 194,600,000 0.47%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Carbon tetrachloride 2,502 0 175,140,000 0.42%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Hydroquinone 1,843 0 110,580,000 0.26%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Dioxane 1,073 0 107,300,000 0.26%
UNION CARBIDE CORP TEXAS CITY PLANT TEXAS CITY TX Acetaldehyde 0 13,200 104,279,999 0.25%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX 1,3-Dichloropropylene 1,023 0 102,300,000 0.25%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Epichlorohydrin 6,331 0 62,676,900 0.15%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Hexachlorobenzene 32 0 51,040,000 0.12%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Ethyl acrylate 0 760 36,480,000 0.09%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Hexachlorobenzene 20 0 31,344,000 0.08%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Acrylonitrile 0 49 26,460,000 0.06%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Ethylene oxide 120 0 26,400,000 0.06%
THE DOW CHEMICAL CO MIDLAND MI Chromium compounds 120 0 20,400,000 0.05%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Acetaldehyde 0 2,279 18,004,100 0.04%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA 1,2-Dichloropropane 454 0 16,798,000 0.04%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Pentachlorophenol 39 0 15,600,000 0.04%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Copper compounds 9,110 0 13,665,000 0.03%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Acrylamide 0 27 13,500,000 0.03%
DEER PARK_TX (ROH) DEER PARK TX Copper compounds 3,465 0 5,197,500 0.01%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX 1,2-Dichloroethane 57 0 5,187,000 0.01%
ROHM & HAAS CHEMICALS LLC HAYWARD CA Acrylonitrile 0 9 4,860,000 0.01%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX 1,2-Dichloropropane 115 0 4,255,000 0.01%
BAYPORT_TX PASADENA TX Chromium compounds 0 29 3,625,000 0.01%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Diisocyanates 10 0 3,500,000 0.01%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Dioxin and dioxin-like compounds 2 0 3,218,203 0.01%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Acrylamide 5 0 2,500,000 0.01%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Lead compounds 134 0 2,412,000 0.01%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Propionaldehyde 4,914 0 2,162,160 0.01%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Allyl alcohol 9,900 0 1,980,000 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Acrylamide 0 4 1,955,000 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Allyl alcohol 8,211 0 1,642,200 0.00%
UNION CARBIDE CORP TEXAS CITY PLANT TEXAS CITY TX Propionaldehyde 0 3,575 1,573,000 0.00%
THE DOW CHEMICAL CO MIDLAND MI Benzene 25 0 1,375,000 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Ethyl acrylate 0 25 1,200,000 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Glycol ethers 5,478 0 986,040 0.00%
THE DOW CHEMICAL CO MIDLAND MI 1,2-Dichloropropane 25 0 925,000 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Acrylonitrile 2 0 837,000 0.00%
DOW SILICONES CORP CARROLLTON KY Lead 39 0 702,000 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Dioxin and dioxin-like compounds 0 0 601,275 0.00%
ROHM & HAAS CHEMICALS LLC HAYWARD CA Ethyl acrylate 0 8 384,000 0.00%
UNION CARBIDE CORP INSTITUTE FACILITY INSTITUTE WV Nitrate compounds 585,453 0 368,836 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Chloroform 50 0 305,000 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY tert-Butyl alcohol 0 23,420 234,200 0.00%
DOW SILICONES CORP CARROLLTON KY Copper compounds 145 0 217,500 0.00%
THE DOW CHEMICAL CO MIDLAND MI Hexachlorobenzene 0 0 216,000 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Nitrate compounds 316,647 0 199,488 0.00%
DEER PARK_TX (ROH) DEER PARK TX Cyanide compounds 828 0 165,600 0.00%
THE DOW CHEMICAL CO MIDLAND MI Chloromethane 120 0 156,000 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY n-Butyl alcohol 0 15,450 154,500 0.00%
UNION CARBIDE CORP SOUTH CHARLESTON FACILITY SOUTH CHARLESTON WV n-Butyl alcohol 0 14,477 144,770 0.00%
UNION CARBIDE CORP SOUTH CHARLESTON FACILITY SOUTH CHARLESTON WV Glycol ethers 0 741 133,380 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA 1,3-Butadiene 1 0 110,000 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Diethanolamine 153 0 108,630 0.00%
THE DOW CHEMICAL CO MIDLAND MI Dichloromethane 50 0 100,000 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Sodium nitrite 9,699 0 96,990 0.00%
UNION CARBIDE CORP SOUTH CHARLESTON FACILITY SOUTH CHARLESTON WV Cresol (mixed isomers) 0 4,291 85,812 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Lead compounds 0 5 83,340 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Formaldehyde 14,133 0 70,665 0.00%
DEER PARK_TX (ROH) DEER PARK TX Nitrate compounds 101,185 0 63,747 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Zinc compounds 18,856 0 62,225 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Acetaldehyde 7 0 55,300 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Lead compounds 3 0 54,000 0.00%
THE DOW CHEMICAL CO MIDLAND MI Tetrachloroethylene (Perchloroethylene) 25 0 52,500 0.00%
THE DOW CHEMICAL CO MIDLAND MI 2,4-D ((2,4-dichlorophenoxy)acetic acid) 250 0 50,000 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Diethanolamine 70 0 49,700 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Ethyl acrylate 1 0 48,000 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Acetaldehyde 5 0 39,500 0.00%
THE DOW CHEMICAL CO MIDLAND MI Dinitrobutyl phenol (Dinoseb) 37 0 37,000 0.00%
UNION CARBIDE CORP TEXAS CITY PLANT TEXAS CITY TX n-Butyl alcohol 0 3,577 35,770 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Ethyl acrylate 1 0 33,120 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Methanol 31,153 0 31,153 0.00%
THE DOW CHEMICAL CO MIDLAND MI Ethylbenzene 25 0 27,500 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Cumene hydroperoxide 0 40 25,600 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Nitrate compounds 40,251 0 25,358 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Glycol ethers 140 0 25,200 0.00%
UNION CARBIDE CORP TEXAS CITY PLANT TEXAS CITY TX Methanol 0 18,140 18,140 0.00%
PERFORMANCE MATERIALS NA INC ORANGE TX Nickel compounds 154 0 14,014 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Allyl chloride 4 0 14,000 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Acrylic acid 4,503 0 9,006 0.00%
THE DOW CHEMICAL CO MIDLAND MI Dioxin and dioxin-like compounds 0 0 8,739 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Maleic anhydride 0 594 5,936 0.00%
THE DOW CHEMICAL CO MIDLAND MI Acetonitrile 99 0 5,742 0.00%
PERFORMANCE MATERIALS NA INC ORANGE TX Cyanide compounds 27 0 5,360 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Vinyl acetate 0 4,702 4,702 0.00%
PERFORMANCE MATERIALS NA INC ORANGE TX Chlorine 434 0 4,340 0.00%
UNION CARBIDE CORP SOUTH CHARLESTON FACILITY SOUTH CHARLESTON WV Sodium nitrite 0 321 3,210 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Styrene 0 583 2,915 0.00%
PERFORMANCE MATERIALS NA INC ORANGE TX Zinc compounds 796 0 2,627 0.00%
UNION CARBIDE CORP INSTITUTE FACILITY INSTITUTE WV Methanol 2,446 0 2,446 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Methyl methacrylate 0 3,020 2,144 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Pentachlorobenzene 2 0 1,950 0.00%
THE DOW CHEMICAL CO MIDLAND MI Glycol ethers 9 0 1,620 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Methanol 1,521 0 1,521 0.00%
UNION CARBIDE CORP TEXAS CITY PLANT TEXAS CITY TX Vinyl acetate 0 1,448 1,448 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Methanol 0 1,390 1,390 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Methyl acrylate 0 40 1,320 0.00%
UNION CARBIDE CORP SOUTH CHARLESTON FACILITY SOUTH CHARLESTON WV Ethylene glycol 0 2,551 1,276 0.00%
THE DOW CHEMICAL CO MIDLAND MI Chlorobenzene 25 0 1,250 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Pentachlorobenzene 1 0 1,170 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Nitrate compounds 1,829 0 1,152 0.00%
UNION CARBIDE CORP INSTITUTE FACILITY INSTITUTE WV Ethylene glycol 1,855 0 928 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Propionaldehyde 2 0 880 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN m-Xylene 0 148 740 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Ethylbenzene 1 0 594 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Ethylene glycol 1,188 0 594 0.00%
THE DOW CHEMICAL CO MIDLAND MI Pentachlorobenzene 0 0 562 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Butyl acrylate 0 278 556 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Ethylene glycol 1,077 0 539 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Methyl methacrylate 0 748 531 0.00%
THE DOW CHEMICAL CO MIDLAND MI Vinylidene chloride (1,1-dichloroethylene) 25 0 500 0.00%
UNION CARBIDE CORP INSTITUTE FACILITY INSTITUTE WV Silver compounds 2 0 400 0.00%
THE DOW CHEMICAL CO MIDLAND MI Toluene 25 0 325 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Maleic anhydride 0 27 270 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA n-Butyl alcohol 26 0 260 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Butyl acrylate 0 120 240 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Ethylene glycol 477 0 239 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Butyl acrylate 0 118 237 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Methanol 202 0 202 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Formic acid 398 0 199 0.00%
UNION CARBIDE CORP INSTITUTE FACILITY INSTITUTE WV Methyl isobutyl ketone 15 0 195 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX 1,2-Butylene oxide 1 0 180 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Methyl acrylate 5 0 165 0.00%
ROHM & HAAS CHEMICALS LLC CHARLOTTE NC Acrylic acid 0 78 156 0.00%
DOW SILICONES CORP CARROLLTON KY Methanol 143 0 143 0.00%
THE DOW CHEMICAL CO MIDLAND MI Picloram 22 0 110 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Toluene 0 7 91 0.00%
THE DOW CHEMICAL CO MIDLAND MI Formaldehyde 18 0 90 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Methyl methacrylate 0 126 89 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Acrylic acid 0 37 74 0.00%
ROHM & HAAS CHEMICALS LLC CHARLOTTE NC Methyl acrylate 0 2 66 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Acrylic acid 0 27 54 0.00%
THE DOW CHEMICAL CO MIDLAND MI Chloroethane (Ethyl chloride) 120 0 42 0.00%
THE DOW CHEMICAL CO MIDLAND MI Formic acid 77 0 39 0.00%
THE DOW CHEMICAL CO MIDLAND MI Ethylene glycol 51 0 26 0.00%
ROHM & HAAS CHEMICALS LLC HAYWARD CA Styrene 0 5 25 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Styrene 0 4 20 0.00%
ROHM & HAAS CHEMICALS LLC HAYWARD CA Butyl acrylate 0 7 14 0.00%
ROHM & HAAS - LOUISVILLE PL ANT LOUISVILLE KY Xylene (mixed isomers) 0 2 10 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Acrylic acid 5 0 10 0.00%
THE DOW CHEMICAL CO MIDLAND MI Styrene 2 0 10 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Toluene 1 0 9 0.00%
ROHM & HAAS CHEMICALS LLC CHARLOTTE NC Butyl acrylate 0 4 8 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Styrene 0 1 7 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Xylene (mixed isomers) 1 0 6 0.00%
ROHM & HAAS CHEMICALS LLC HAYWARD CA Methyl methacrylate 0 7 5 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Styrene 1 0 4 0.00%
ROHM & HAAS CHEMICALS LLC CHARLOTTE NC Methyl methacrylate 0 4 3 0.00%
ROHM & HAAS CHEMICALS LLC HAYWARD CA Ethylene glycol 0 5 3 0.00%
ROHM & HAAS CHEMICALS LLC CHARLOTTE NC Vinyl acetate 0 2 2 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Butyl acrylate 1 0 2 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Methyl methacrylate 2 0 1 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Ammonia 90 0 0 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA N-methylolacrylamide 5 0 0 0.00%
ROHM & HAAS CHEMICALS LLC BRISTOL PA Nonylphenol ethoxylates 48 0 0 0.00%
UNION CARBIDE CORP INSTITUTE FACILITY INSTITUTE WV Ammonia 483 0 0 0.00%
UNION CARBIDE CORP SOUTH CHARLESTON FACILITY SOUTH CHARLESTON WV Ammonia 0 74 0 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN Ammonia 1 4,207 0 0.00%
ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE KNOXVILLE TN N-methylolacrylamide 0 27 0 0.00%
THE DOW CHEMICAL CO MIDLAND MI Ammonia 1,600 0 0 0.00%
ROHM & HAAS CHEMICALS LLC KANKAKEE IL Ammonia 0 900 0 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Ammonia 3,901 0 0 0.00%
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP HAHNVILLE LA Butyraldehyde 1 0 0 0.00%
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS PLAQUEMINE LA Ammonia 82,138 0 0 0.00%
DEER PARK_TX (ROH) DEER PARK TX Ammonia 1,010 0 0 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Ammonia 33,231 0 0 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Bis(2-chloro-1-methethyl)ether 206 0 0 0.00%
DOW CHEMICAL CO FREEPORT FACILITY FREEPORT TX Glycidol 21,520 0 0 0.00%
BAYPORT_TX PASADENA TX Ammonia 0 241 0 0.00%
UNION CARBIDE CORP TEXAS CITY PLANT TEXAS CITY TX Butyraldehyde 0 10,901 0 0.00%
PERFORMANCE MATERIALS NA INC ORANGE TX Ammonia 774 0 0 0.00%
THE DOW CHEMICAL CO - BEAUMONT ANILINE NEDERLAND TX Ammonia 52 0 0 0.00%
UNION CARBIDE CORP SEADRIFT PLANT SEADRIFT TX Ammonia 16,011 0 0 0.00%

For explanations of most columns above, including the EJ Shares, see the technical notes.

Toxic hazard: Pounds of direct releases to surface water and pounds transferred to Publicly Operated Treatment Works (POTW's) reported in the US Environmental Protection Agency's Toxics Release Inventory for the year 2019, weighted by toxicity of chemicals. Weights are from the EPA's Risk-Screening Environmental Indicators project. For details, see technical notes.

Quantity of toxic surface water releases and POTW transfers: Pounds of toxic chemicals released directly to surface water at each TRI facility or transferred off-site to a POTW, without weighting for toxicity or population.

* Split: if 50% appears in this column, then the facility's releases have been split among two 50/50% ownership parent companies for their parent company data, although the full pounds and hazard are displayed here.

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