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Rank in Toxic 100 Water: 39
Surface Water releases 2014 (lbs): 934,294
POTW (sewerage plant) transfers 2014 (lbs): 3,098
Pounds released post-treatment 2014 (lbs): 935,285
Total Surface Water and POTW Toxic Hazard 2014: 195,652,545
Percentage of national total 2014 surface water and POTW hazard: 0.075%

Chemicals displayed below: (
display facilities) (display chemicals at facilities)
(Click on column headers to re-sort table: current sort is by water RSEI hazard.)
(Links on chemical names lead to Scorecard chemical health effects.)
Chromium and chromium compounds 189 0 189 94,500,000 48.30%
Polycyclic aromatic compounds 64 0 64 83,787,686 42.82%
Benzene 199 232 212 11,677,522 5.97%
Lead and lead compounds 92 62 115 2,066,272 1.06%
Benzo(g,h,i)perylene 39 0 39 773,037 0.40%
Copper and copper compounds 486 8 488 732,094 0.37%
Nitrate compounds 820,652 0 820,652 517,011 0.26%
Hydrogen sulfide 279 0 279 501,894 0.26%
Manganese and manganese compounds 50,798 0 50,798 360,667 0.18%
Dioxin and dioxin-like compounds 0 0 0 239,400 0.12%
Ethylbenzene 164 37 167 184,120 0.09%
Nickel and nickel compounds 1,379 4 1,381 125,669 0.06%
1,2,4-Trimethylbenzene 31 47 34 67,050 0.03%
Vanadium and vanadium compounds 434 0 434 60,760 0.03%
Biphenyl 31 0 31 24,800 0.01%
Mercury and mercury compounds 1 0 1 8,520 0.00%
Cresol (mixed isomers) 379 0 379 7,583 0.00%
Toluene 316 81 320 4,156 0.00%
Phenol 1,192 5 1,192 3,934 0.00%
n-Hexane 192 63 192 3,259 0.00%
Naphthalene 58 35 60 2,992 0.00%
Zinc and zinc compounds 691 15 696 2,297 0.00%
Xylene (mixed isomers) 313 189 321 1,603 0.00%
Cumene 11 0 11 112 0.00%
Cyclohexane 104 20 106 61 0.00%
Methanol 46 0 46 46 0.00%
Formaldehyde 0 0 0 0 0.00%
n-Butyl alcohol 0 0 0 0 0.00%
Bromomethane (Methyl bromide) 0 0 0 0 0.00%
Ethylene 0 0 0 0 0.00%
Hydrogen cyanide 0 0 0 0 0.00%
Carbon disulfide 0 0 0 0 0.00%
Phenanthrene 39 0 39 0 0.00%
o-Xylene 0 0 0 0 0.00%
Styrene 0 0 0 0 0.00%
p-Xylene 0 0 0 0 0.00%
1,3-Butadiene 0 0 0 0 0.00%
m-Xylene 0 0 0 0 0.00%
Propylene (Propene) 0 0 0 0 0.00%
Anthracene 0 0 0 0 0.00%
Tetrachloroethylene (Perchloroethylene) 0 0 0 0 0.00%
Carbonyl sulfide 0 0 0 0 0.00%
Molybdenum trioxide 0 0 0 0 0.00%
Cobalt and cobalt compounds 37,000 0 37,000 0 0.00%
Hydrochloric acid 0 0 0 0 0.00%
Ammonia 19,118 2,300 20,040 0 0.00%
Sulfuric acid 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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