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