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Rank in Toxic 100 Water: 1
Surface Water releases 2014 (lbs): 1,184,196
POTW (sewerage plant) transfers 2014 (lbs): 15,118,134
Pounds released post-treatment 2014 (lbs): 2,473,771
Total Surface Water and POTW Toxic Hazard 2014: 36,386,432,022
Percentage of national total 2014 surface water and POTW hazard: 13.999%

Chemicals displayed below: (
display facilities) (display chemicals at facilities)
(Click on column headers to re-sort table: current sort is by pounds of POTW transfers.)
(Links on chemical names lead to Scorecard chemical health effects.)
N,N-Dimethylformamide 0 13,486,142 1,070,800 10,708,000 0.03%
Ethylene glycol 4,240 745,423 63,427 31,713 0.00%
1,3-Phenylenediamine 0 184,276 100,559 17,095,100 0.05%
Nitrate compounds 806,208 104,683 806,208 507,911 0.00%
Methanol 41,367 101,366 49,405 49,405 0.00%
n-Butyl alcohol 35 92,973 7,389 73,892 0.00%
Acetaldehyde 170 65,206 5,302 41,883,541 0.12%
Methyl methacrylate 1 58,325 4,445 3,156 0.00%
Butyraldehyde 1 54,378 4,242 0 0.00%
Propionaldehyde 4,577 47,897 8,337 3,668,242 0.01%
Glycol ethers 8,565 44,621 12,108 2,179,424 0.01%
Vinyl acetate 1 43,311 3,292 3,292 0.00%
Acrylic acid 3,950 37,297 6,908 13,815 0.00%
Ammonia 139,944 24,356 149,711 0 0.00%
Isobutyraldehyde 0 5,772 448 0 0.00%
Methyl isobutyl ketone 0 5,630 436 5,672 0.00%
Cresol (mixed isomers) 0 4,291 327 6,548 0.00%
Sodium nitrite 0 3,606 3,539 35,393 0.00%
tert-Butyl alcohol 0 2,170 1,177 11,774 0.00%
Formic acid 289 1,200 384 192 0.00%
Styrene 0 1,123 58 288 0.00%
Butyl acrylate 0 1,052 74 147 0.00%
Benzyl chloride 0 981 216 36,639,371 0.10%
Maleic anhydride 0 742 0 0 0.00%
N-methylolacrylamide 5 501 45 0 0.00%
N-methyl-2-pyrrolidone 0 215 17 0 0.00%
m-Xylene 0 152 6 29 0.00%
Ethyl acrylate 6 113 15 711,264 0.00%
Chromium and chromium compounds 268 60 282 141,080,000 0.39%
Acrylonitrile 1 59 6 3,006,665 0.01%
Zinc and zinc compounds 4,206 43 4,221 13,929 0.00%
Cumene hydroperoxide 0 40 10 6,090 0.00%
Methyl acrylate 5 34 8 252 0.00%
Acrylamide 5 32 8 3,770,400 0.01%
Xylene (mixed isomers) 0 23 1 7 0.00%
Copper and copper compounds 7,166 16 7,170 10,755,607 0.03%
Lead and lead compounds 486 11 490 8,813,939 0.02%
Toluene 30 8 31 398 0.00%
Ethylbenzene 26 4 27 29,368 0.00%
Allyl alcohol 22,222 1 22,222 4,444,416 0.01%
Formaldehyde 9,769 1 9,769 48,845 0.00%
1,2,3-Trichloropropane 972 0 972 29,160,000,000 80.14%
4,4'-Methylenedianiline 1,796 0 1,796 2,873,600,000 7.90%
Dioxin and dioxin-like compounds 2 0 2 2,242,773,414 6.16%
Epichlorohydrin 59,365 0 59,365 587,713,500 1.62%
Ethylene oxide 1,680 0 1,680 369,600,000 1.02%
Propylene oxide 1,438 0 1,438 345,120,000 0.95%
Dioxane 2,471 0 2,471 247,100,000 0.68%
Hexachlorobenzene 63 0 63 100,278,400 0.28%
Chlorophenols 350 0 350 42,000,000 0.12%
1,3-Dichloropropylene 330 0 330 33,000,000 0.09%
1,3-Butadiene 275 0 275 30,250,000 0.08%
1,2-Dichloroethane 261 0 261 23,751,000 0.07%
1,2-Dichloropropane 201 0 201 13,668,000 0.04%
Diisocyanates 29 0 29 10,150,000 0.03%
Chloroform 1,243 0 1,243 7,582,300 0.02%
Vinyl chloride 2 0 2 3,000,000 0.01%
Bromine 1,369 0 1,369 2,874,900 0.01%
Carbon tetrachloride 32 0 32 2,240,000 0.01%
Benzene 40 0 40 2,200,000 0.01%
Hydrogen cyanide 1,106 0 1,106 1,880,200 0.01%
Chloromethane 242 0 242 314,600 0.00%
Chlorine 25,932 0 25,932 259,320 0.00%
2-Methoxyethanol 1,438 0 1,438 258,840 0.00%
Bromoform (Tribromomethane) 30 0 30 237,000 0.00%
Cyanide compounds 1,153 0 1,153 230,600 0.00%
Dichloromethane 82 0 82 164,000 0.00%
Nickel and nickel compounds 1,011 0 1,011 92,001 0.00%
2,4-Dichlorophenol 240 0 240 79,200 0.00%
Trichloroethylene 17 0 17 78,200 0.00%
Diethanolamine 74 0 74 52,540 0.00%
1,1,2-Trichloroethane 9 0 9 51,300 0.00%
4,4'-Isopropylidenediphenol 2,437 0 2,437 48,740 0.00%
2,4-D ((2,4-dichlorophenoxy)acetic acid) 230 0 230 46,000 0.00%
Dinitrobutyl phenol (Dinoseb) 39 0 39 39,000 0.00%
Hydroquinone 1,391 0 1,391 34,775 0.00%
Tetrachloroethylene (Perchloroethylene) 15 0 15 31,500 0.00%
Naphthalene 240 0 240 12,000 0.00%
Allyl chloride 2 0 2 7,000 0.00%
Manganese and manganese compounds 730 0 730 5,183 0.00%
Pentachlorobenzene 3 0 3 4,185 0.00%
Acrolein 1 0 1 2,000 0.00%
Triethylamine 3 0 3 1,500 0.00%
Acetonitrile 15 0 15 870 0.00%
Vinylidene chloride (1,1-dichloroethylene) 29 0 29 580 0.00%
1,2-Dichloroethylene 5 0 5 550 0.00%
CFC-12 (dichlorodifluoromethane) 77 0 77 385 0.00%
Chlorobenzene 2 0 2 100 0.00%
Picloram 18 0 18 90 0.00%
Phenol 23 0 23 76 0.00%
Selenium and selenium compounds 0 0 0 40 0.00%
Chloroethane (Ethyl chloride) 110 0 110 38 0.00%
Ethylidene dichloride 2 0 2 10 0.00%
Aniline 0 0 0 0 0.00%
Hexachloroethane 0 0 0 0 0.00%
1,1,1-Trichloroethane 0 0 0 0 0.00%
Bromomethane (Methyl bromide) 0 0 0 0 0.00%
Ethylene 0 0 0 0 0.00%
Carbon disulfide 0 0 0 0 0.00%
Dichlorobromomethane 0 0 0 0 0.00%
Phosgene 0 0 0 0 0.00%
Chlorodifluoromethane (HCFC-22) 0 0 0 0 0.00%
Nitromethane 2 0 2 0 0.00%
Pentachloroethane 0 0 0 0 0.00%
Freon 113 0 0 0 0 0.00%
Hexachlorocyclopentadiene 0 0 0 0 0.00%
Dicyclopentadiene 0 0 0 0 0.00%
Isoprene 0 0 0 0 0.00%
2,3-Dichloropropene 0 0 0 0 0.00%
sec-Butyl alcohol 0 0 0 0 0.00%
Chloroacetic acid 0 0 0 0 0.00%
1,1,2,2-Tetrachloroethane 0 0 0 0 0.00%
2-Nitropropane 0 0 0 0 0.00%
Phenanthrene 0 0 0 0 0.00%
Phthalic anhydride 0 0 0 0 0.00%
Hexachloro-1,3-butadiene 0 0 0 0 0.00%
Pentachlorophenol 0 0 0 0 0.00%
2,4,6-Trichlorophenol 0 0 0 0 0.00%
Quinoline 0 0 0 0 0.00%
Biphenyl 0 0 0 0 0.00%
1,2,4-Trimethylbenzene 0 0 0 0 0.00%
Cumene 0 0 0 0 0.00%
Acetophenone 0 0 0 0 0.00%
4,4'-Methylenebis(2-chloroaniline) 0 0 0 0 0.00%
1,2-Butylene oxide 0 0 0 0 0.00%
Chloromethyl methyl ether 0 0 0 0 0.00%
Bis(2-chloro-1-methethyl)ether 0 0 0 0 0.00%
2-Methylpyridine 0 0 0 0 0.00%
n-Hexane 0 0 0 0 0.00%
2-Ethoxyethanol 0 0 0 0 0.00%
Cyclohexane 0 0 0 0 0.00%
Pyridine 0 0 0 0 0.00%
Bis(2-chloroethyl)ether 0 0 0 0 0.00%
Propylene (Propene) 0 0 0 0 0.00%
Anthracene 0 0 0 0 0.00%
Dimethylamine 1 0 1 0 0.00%
Hydrazine 0 0 0 0 0.00%
2,2-Dichloro-1,1,1-trifluoroethane 0 0 0 0 0.00%
Glycidol 22,025 0 22,025 0 0.00%
3-Chloro-2-methyl-1-propene 0 0 0 0 0.00%
1,1,1,2-Tetrachloroethane 0 0 0 0 0.00%
Polychlorinated biphenyls (PCBs) 0 0 0 0 0.00%
2,4-D 2-ethylhexyl ester 0 0 0 0 0.00%
Nitrapyrin 0 0 0 0 0.00%
Sulfuryl fluoride (Vikane) 0 0 0 0 0.00%
2,4-D sodium salt 0 0 0 0 0.00%
1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane 0 0 0 0 0.00%
Crotonaldehyde 0 0 0 0 0.00%
Mercury and mercury compounds 0 0 0 0 0.00%
Silver and silver compounds 0 0 0 0 0.00%
Thallium and thallium compounds 0 0 0 0 0.00%
Antimony and antimony compounds 0 0 0 0 0.00%
Arsenic and arsenic compounds 0 0 0 0 0.00%
Barium and barium compounds 0 0 0 0 0.00%
Beryllium and beryllium compounds 0 0 0 0 0.00%
Titanium tetrachloride 0 0 0 0 0.00%
Hydrochloric acid 0 0 0 0 0.00%
Hydrogen fluoride 0 0 0 0 0.00%
Sulfuric acid 0 0 0 0 0.00%
Nitric acid 0 0 0 0 0.00%
Hydrogen sulfide 0 0 0 0 0.00%
trans-1,3-Dichloropropene 0 0 0 0 0.00%
Dichlorobenzene (mixed isomers) 0 0 0 0 0.00%
Toluenediisocyanate 0 0 0 0 0.00%
Triclopyr triethylammonium salt 0 0 0 0 0.00%
Polycyclic aromatic compounds 0 0 0 0 0.00%

Toxic hazard: Pounds of direct releases to surface water and estimated releases from transfers to Publicly Operated Treatment Works (POTW's) reported in the US Environmental Protection Agency's Toxics Release Inventory for the year 2014, 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.

Quantity of toxic post-treatment releases: Pounds of toxic chemicals released directly to surface water plus released after treatment at POTW's.

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