Environmental risk, tax analysis, and property details for 550 Independence Pky S, La Porte, TX 77571
This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.
This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.
These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.
This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.
The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:
Open Interactive Analysis ToolBased on the property's flood risk profile, here are specific action items to consider.
Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.
| Period | Total | Air | Water |
|---|---|---|---|
| Typical Houston Property (2014-2024) | 6,524 lbs | 4,822 lbs | 0 lbs |
| This Property (2014-2024) | 20,663,769 lbs | 12,715,610 lbs | 7,948,159 lbs |
| Typical Houston Property (2024 Only) | 2 lbs | 1 lbs | 0 lbs |
| This Property (2024 Only) | 18,313,385 lbs | 1,099,007 lbs | 707,786 lbs |
Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.
| # | Chemical | CAS# | Air (lbs/10yr) | Water (lbs/10yr) | Total (lbs/10yr) |
|---|---|---|---|---|---|
| 1 | Methanol | 67-56-1 | 924,146 lbs | 691,064 lbs | 20,827,520 lbs |
| 2 | N-Methyl-2-pyrrolidone | 872-50-4 | 126 lbs | 0 lbs | 20,671,540 lbs |
| 3 | Cyanide compounds | N106 | 1 lbs | 9,834 lbs | 16,940,758 lbs |
| 4 | Zinc compounds | N982 | 7,746 lbs | 43,092 lbs | 11,314,502 lbs |
| 5 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | N511 | 9 lbs | 7,119,876 lbs | 10,190,828 lbs |
| 6 | Chlorothalonil | 1897-45-6 | 0 lbs | 0 lbs | 8,991,775 lbs |
| 7 | Diethanolamine | 111-42-2 | 59 lbs | 0 lbs | 5,601,361 lbs |
| 8 | Certain glycol ethers | N230 | 64,698 lbs | 0 lbs | 5,135,560 lbs |
| 9 | Ammonia | 7664-41-7 | 1,037,020 lbs | 30,972 lbs | 4,221,350 lbs |
| 10 | tert-Butyl alcohol | 75-65-0 | 397 lbs | 0 lbs | 3,800,946 lbs |
| 11 | Nitric acid | 7697-37-2 | 328 lbs | 0 lbs | 3,487,108 lbs |
| 12 | Ethylene glycol | 107-21-1 | 49,435 lbs | 9,387 lbs | 3,441,906 lbs |
| 13 | Cresol (mixed isomers) | 1319-77-3 | 5 lbs | 0 lbs | 3,372,653 lbs |
| 14 | Ethylene | 74-85-1 | 3,046,791 lbs | 0 lbs | 3,046,791 lbs |
| 15 | Propylene | 115-07-1 | 2,924,154 lbs | 0 lbs | 2,924,154 lbs |
| 16 | Xylene (mixed isomers) | 1330-20-7 | 43,990 lbs | 0 lbs | 2,839,169 lbs |
| 17 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | N090 | 8 lbs | 81 lbs | 1,878,641 lbs |
| 18 | Naphthalene | 91-20-3 | 569 lbs | 33 lbs | 1,863,442 lbs |
| 19 | Nickel compounds | N495 | 3 lbs | 0 lbs | 1,760,453 lbs |
| 20 | Toluene | 108-88-3 | 38,623 lbs | 74 lbs | 1,392,535 lbs |
| 21 | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | N090 | 312 lbs | 423 lbs | 1,288,417 lbs |
| 22 | Aluminum oxide (fibrous forms) | 1344-28-1 | 13 lbs | 0 lbs | 1,108,293 lbs |
| 23 | n-Hexane | 110-54-3 | 619,319 lbs | 0 lbs | 1,098,357 lbs |
| 24 | Vinyl acetate | 108-05-4 | 1,065,140 lbs | 5,684 lbs | 1,084,910 lbs |
| 25 | 1,4-Dioxane | 123-91-1 | 246 lbs | 0 lbs | 1,067,397 lbs |
| 26 | Lead And Lead Compounds | N420 | 1,132 lbs | 1,204 lbs | 1,064,701 lbs |
| 27 | Benzene | 71-43-2 | 23,547 lbs | 42 lbs | 997,212 lbs |
| 28 | Nickel | 7440-02-0 | 50 lbs | 153 lbs | 979,454 lbs |
| 29 | Ethylbenzene | 100-41-4 | 742 lbs | 32 lbs | 918,162 lbs |
| 30 | Methyl methacrylate | 80-62-6 | 657,138 lbs | 0 lbs | 802,979 lbs |
| 31 | Isobutyraldehyde | 78-84-2 | 119 lbs | 0 lbs | 785,954 lbs |
| 32 | Lead compounds | N420 | 232 lbs | 88 lbs | 770,063 lbs |
| 33 | Copper And Copper Compounds | N100 | 5 lbs | 9,570 lbs | 717,114 lbs |
| 34 | Formic acid | 64-18-6 | 2,636 lbs | 0 lbs | 708,450 lbs |
| 35 | n-Butyl alcohol | 71-36-3 | 196,563 lbs | 0 lbs | 639,582 lbs |
| 36 | Lead | 7439-92-1 | 8 lbs | 79 lbs | 589,420 lbs |
| 37 | Dimethylamine | 124-40-3 | 1,524 lbs | 0 lbs | 567,134 lbs |
| 38 | Maleic anhydride | 108-31-6 | 17,839 lbs | 0 lbs | 560,064 lbs |
| 39 | Dicyclopentadiene | 77-73-6 | 49,261 lbs | 26 lbs | 498,484 lbs |
| 40 | Dinitrobutyl phenol | 88-85-7 | 3 lbs | 0 lbs | 476,094 lbs |
| 41 | Selenium And Selenium Compounds | N725 | 29 lbs | 957 lbs | 467,876 lbs |
| 42 | 1,2-Dichloroethane | 107-06-2 | 177,916 lbs | 59 lbs | 466,898 lbs |
| 43 | Chromium | 7440-47-3 | 3 lbs | 52 lbs | 453,943 lbs |
| 44 | Copper compounds | N100 | 5 lbs | 14,687 lbs | 437,081 lbs |
| 45 | Barium And Barium Compounds | N040 | 79 lbs | 99 lbs | 420,803 lbs |
| 46 | Silver And Silver Compounds | N740 | 34 lbs | 486 lbs | 388,530 lbs |
| 47 | Butyl acrylate | 141-32-2 | 246,390 lbs | 0 lbs | 385,585 lbs |
| 48 | Acrylic acid | 79-10-7 | 128,013 lbs | 0 lbs | 376,416 lbs |
| 49 | Cadmium | 7440-43-9 | 16 lbs | 316 lbs | 370,653 lbs |
| 50 | 1,2,4-Trimethylbenzene | 95-63-6 | 45 lbs | 0 lbs | 345,063 lbs |
| 51 | Aluminum (fume or dust) | 7429-90-5 | 1,426 lbs | 0 lbs | 333,760 lbs |
| 52 | Formaldehyde | 50-00-0 | 47,431 lbs | 0 lbs | 326,240 lbs |
| 53 | Manganese compounds | N450 | 30 lbs | 0 lbs | 324,029 lbs |
| 54 | Hydrogen cyanide | 74-90-8 | 287,023 lbs | 1,846 lbs | 288,869 lbs |
| 55 | Mercury compounds | N458 | 1,288 lbs | 0 lbs | 252,109 lbs |
| 56 | Phthalic anhydride | 85-44-9 | 8 lbs | 0 lbs | 248,329 lbs |
| 57 | Methyl tert-butyl ether | 1634-04-4 | 5,009 lbs | 0 lbs | 244,712 lbs |
| 58 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7647-01-0 | 220,239 lbs | 0 lbs | 220,239 lbs |
| 59 | Propionaldehyde | 123-38-6 | 1,112 lbs | 0 lbs | 214,251 lbs |
| 60 | Barium | 7440-39-3 | 2 lbs | 0 lbs | 213,719 lbs |
| 61 | Copper | 7440-50-8 | 0 lbs | 50 lbs | 205,052 lbs |
| 62 | Vinyl chloride | 75-01-4 | 203,160 lbs | 79 lbs | 203,239 lbs |
| 63 | Cyclohexane | 110-82-7 | 14,815 lbs | 0 lbs | 201,589 lbs |
| 64 | Nickel And Nickel Compounds | N495 | 97 lbs | 216 lbs | 190,022 lbs |
| 65 | Selenium compounds | N725 | 1 lbs | 0 lbs | 185,210 lbs |
| 66 | Sodium nitrite | 7632-00-0 | 1 lbs | 0 lbs | 182,070 lbs |
| 67 | Biphenyl | 92-52-4 | 17 lbs | 0 lbs | 173,922 lbs |
| 68 | Mercury And Mercury Compounds | N458 | 623 lbs | 1 lbs | 171,850 lbs |
| 69 | Silver | 7440-22-4 | 8 lbs | 89 lbs | 156,682 lbs |
| 70 | 2-Methyllactonitrile | 75-86-5 | 8,413 lbs | 0 lbs | 155,553 lbs |
| 71 | Toluene diisocyanate (mixed isomers) | 26471-62-5 | 9 lbs | 0 lbs | 153,073 lbs |
| 72 | Epichlorohydrin | 106-89-8 | 70 lbs | 0 lbs | 141,546 lbs |
| 73 | Aniline | 62-53-3 | 106 lbs | 0 lbs | 114,116 lbs |
| 74 | Acetaldehyde | 75-07-0 | 104,489 lbs | 1,275 lbs | 105,764 lbs |
| 75 | Antimony compounds | N010 | 7 lbs | 0 lbs | 103,400 lbs |
| 76 | Methyl parathion | 298-00-0 | 5 lbs | 0 lbs | 94,286 lbs |
| 77 | Propylene oxide | 75-56-9 | 54,474 lbs | 0 lbs | 93,612 lbs |
| 78 | Acetonitrile | 75-05-8 | 867 lbs | 0 lbs | 92,368 lbs |
| 79 | Chlorine | 7782-50-5 | 70,953 lbs | 3,421 lbs | 87,206 lbs |
| 80 | Dimethyl phthalate | 131-11-3 | 8 lbs | 0 lbs | 85,886 lbs |
| 81 | 1,2-Dichlorobenzene | 95-50-1 | 35 lbs | 0 lbs | 85,788 lbs |
| 82 | N,N-Dimethylformamide | 68-12-2 | 9,036 lbs | 0 lbs | 85,370 lbs |
| 83 | o-Xylene | 95-47-6 | 1 lbs | 0 lbs | 85,181 lbs |
| 84 | Arsenic And Arsenic Compounds | N020 | 13 lbs | 139 lbs | 85,173 lbs |
| 85 | 1,3-Butadiene | 106-99-0 | 70,142 lbs | 45 lbs | 81,841 lbs |
| 86 | Arsenic | 7440-38-2 | 21 lbs | 308 lbs | 80,284 lbs |
| 87 | Cobalt compounds | N096 | 1 lbs | 0 lbs | 77,363 lbs |
| 88 | Methyl isobutyl ketone | 108-10-1 | 13,530 lbs | 0 lbs | 74,772 lbs |
| 89 | Triethylamine | 121-44-8 | 137 lbs | 0 lbs | 74,162 lbs |
| 90 | Chloroform | 67-66-3 | 12,346 lbs | 51 lbs | 71,545 lbs |
| 91 | Titanium tetrachloride | 7550-45-0 | 6 lbs | 0 lbs | 70,875 lbs |
| 92 | Dichloromethane | 75-09-2 | 5,763 lbs | 0 lbs | 69,525 lbs |
| 93 | Selenium | 7782-49-2 | 1 lbs | 192 lbs | 69,074 lbs |
| 94 | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | N040 | 0 lbs | 1,936 lbs | 66,779 lbs |
| 95 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7664-93-9 | 65,729 lbs | 0 lbs | 65,729 lbs |
| 96 | Styrene | 100-42-5 | 2,119 lbs | 0 lbs | 60,908 lbs |
| 97 | Asbestos (friable) | 1332-21-4 | 1 lbs | 0 lbs | 59,423 lbs |
| 98 | Cumene | 98-82-8 | 18 lbs | 0 lbs | 58,915 lbs |
| 99 | Phenol | 108-95-2 | 23 lbs | 0 lbs | 54,655 lbs |
| 100 | Cyclohexanol | 108-93-0 | 0 lbs | 0 lbs | 54,237 lbs |
| 101 | Arsenic compounds | N020 | 7 lbs | 0 lbs | 54,039 lbs |
| 102 | Hydrogen sulfide | 7783-06-4 | 17,438 lbs | 0 lbs | 51,365 lbs |
| 103 | Isoprene | 78-79-5 | 6,016 lbs | 0 lbs | 50,665 lbs |
| 104 | Thallium compounds | N760 | 15 lbs | 0 lbs | 40,288 lbs |
| 105 | Methyl iodide | 74-88-4 | 37,993 lbs | 0 lbs | 37,993 lbs |
| 106 | 2,4-Dichlorophenol | 120-83-2 | 0 lbs | 0 lbs | 37,482 lbs |
| 107 | Zinc (fume or dust) | 7440-66-6 | 672 lbs | 0 lbs | 36,101 lbs |
| 108 | Ethyl acrylate | 140-88-5 | 36,084 lbs | 0 lbs | 36,084 lbs |
| 109 | Manganese And Manganese Compounds | N450 | 779 lbs | 0 lbs | 29,251 lbs |
| 110 | p-Xylene | 106-42-3 | 0 lbs | 0 lbs | 28,776 lbs |
| 111 | Hydrogen fluoride | 7664-39-3 | 0 lbs | 0 lbs | 21,273 lbs |
| 112 | Ethylene oxide | 75-21-8 | 30 lbs | 0 lbs | 20,600 lbs |
| 113 | Silver compounds | N740 | 0 lbs | 0 lbs | 19,617 lbs |
| 114 | Mercury | 7439-97-6 | 163 lbs | 0 lbs | 19,060 lbs |
| 115 | Thiourea | 62-56-6 | 0 lbs | 0 lbs | 18,707 lbs |
| 116 | Hexafluoropropylene oxide dimer acid | 13252-13-6 | 0 lbs | 0 lbs | 16,482 lbs |
| 117 | m-Xylene | 108-38-3 | 1 lbs | 0 lbs | 16,469 lbs |
| 118 | Chlorobenzene | 108-90-7 | 16,223 lbs | 0 lbs | 16,223 lbs |
| 119 | Molybdenum trioxide | 1313-27-5 | 0 lbs | 0 lbs | 15,002 lbs |
| 120 | Chloroethane | 75-00-3 | 14,532 lbs | 0 lbs | 14,532 lbs |
| 121 | Boron trifluoride | 7637-07-2 | 14,201 lbs | 0 lbs | 14,201 lbs |
| 122 | Allyl alcohol | 107-18-6 | 11 lbs | 0 lbs | 13,315 lbs |
| 123 | Vanadium compounds | N770 | 0 lbs | 0 lbs | 11,955 lbs |
| 124 | Metham sodium | 137-42-8 | 0 lbs | 0 lbs | 11,840 lbs |
| 125 | Antimony | 7440-36-0 | 6 lbs | 3 lbs | 11,670 lbs |
| 126 | Antimony And Antimony Compounds | N010 | 683 lbs | 0 lbs | 11,438 lbs |
| 127 | Cadmium compounds | N078 | 0 lbs | 0 lbs | 9,750 lbs |
| 128 | Trade Secret | TRD SECRT | 9,705 lbs | 0 lbs | 9,705 lbs |
| 129 | Hexafluoropropylene oxide dimer acid ammonium salt | 62037-80-3 | 0 lbs | 0 lbs | 8,316 lbs |
| 130 | Carbon tetrachloride | 56-23-5 | 7,997 lbs | 0 lbs | 7,997 lbs |
| 131 | Manganese | 7439-96-5 | 0 lbs | 0 lbs | 7,325 lbs |
| 132 | Acrylonitrile | 107-13-1 | 7,023 lbs | 0 lbs | 7,023 lbs |
| 133 | Diisocyanates | N120 | 4,310 lbs | 0 lbs | 4,310 lbs |
| 134 | Cobalt | 7440-48-4 | 0 lbs | 0 lbs | 3,228 lbs |
| 135 | 1,1,2-Trichloroethane | 79-00-5 | 2,961 lbs | 0 lbs | 2,961 lbs |
| 136 | Ethylidene dichloride | 75-34-3 | 2,197 lbs | 0 lbs | 2,197 lbs |
| 137 | Di(2-ethylhexyl) phthalate | 117-81-7 | 2,021 lbs | 0 lbs | 2,021 lbs |
| 138 | Perfluorooctanoic acid | 335-67-1 | 0 lbs | 0 lbs | 1,543 lbs |
| 139 | 1,2-Dichloroethylene | 540-59-0 | 1,429 lbs | 0 lbs | 1,429 lbs |
| 140 | Nonylphenol Ethoxylates | N535 | 1,381 lbs | 0 lbs | 1,381 lbs |
| 141 | Vanadium (except when contained in an alloy) | 7440-62-2 | 0 lbs | 1 lbs | 851 lbs |
| 142 | Vinylidene chloride | 75-35-4 | 728 lbs | 0 lbs | 728 lbs |
| 143 | Tetrachloroethylene | 127-18-4 | 637 lbs | 0 lbs | 637 lbs |
| 144 | Chloromethane | 74-87-3 | 455 lbs | 0 lbs | 455 lbs |
| 145 | Hydroquinone | 123-31-9 | 394 lbs | 0 lbs | 394 lbs |
| 146 | Acrolein | 107-02-8 | 326 lbs | 0 lbs | 326 lbs |
| 147 | Polycyclic aromatic compounds | N590 | 11 lbs | 0 lbs | 326 lbs |
| 148 | 1,1,2,2-Tetrachloroethane | 79-34-5 | 306 lbs | 0 lbs | 306 lbs |
| 149 | Pentachloroethane | 76-01-7 | 260 lbs | 0 lbs | 260 lbs |
| 150 | Toxaphene | 8001-35-2 | 4 lbs | 0 lbs | 221 lbs |
| 151 | Chlordane | 57-74-9 | 3 lbs | 0 lbs | 219 lbs |
| 152 | Heptachlor | 76-44-8 | 1 lbs | 0 lbs | 216 lbs |
| 153 | Trifluralin | 1582-09-8 | 1 lbs | 0 lbs | 216 lbs |
| 154 | Trichloroethylene | 79-01-6 | 203 lbs | 0 lbs | 203 lbs |
| 155 | Creosote | 8001-58-9 | 192 lbs | 0 lbs | 192 lbs |
| 156 | Nonylphenol | N530 | 161 lbs | 13 lbs | 174 lbs |
| 157 | Hexachlorocyclopentadiene | 77-47-4 | 110 lbs | 33 lbs | 143 lbs |
| 158 | Pentachlorobenzene | 608-93-5 | 1 lbs | 0 lbs | 143 lbs |
| 159 | Beryllium | 7440-41-7 | 0 lbs | 0 lbs | 108 lbs |
| 160 | Hexachloroethane | 67-72-1 | 87 lbs | 0 lbs | 87 lbs |
| 161 | Hexachlorobenzene | 118-74-1 | 17 lbs | 14 lbs | 81 lbs |
| 162 | sec-Butyl alcohol | 78-92-2 | 68 lbs | 0 lbs | 68 lbs |
| 163 | Beryllium compounds | N050 | 0 lbs | 0 lbs | 68 lbs |
| 164 | Polychlorinated biphenyls | 1336-36-3 | 68 lbs | 0 lbs | 68 lbs |
| 165 | 1,1,1-Trichloroethane | 71-55-6 | 64 lbs | 0 lbs | 64 lbs |
| 166 | Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | 67-63-0 | 63 lbs | 0 lbs | 63 lbs |
| 167 | Methyl acrylate | 96-33-3 | 62 lbs | 0 lbs | 62 lbs |
| 168 | Dioxin and dioxin-like compounds | N150 | 0 lbs | 60 lbs | 61 lbs |
| 169 | 1,4-Dichlorobenzene | 106-46-7 | 44 lbs | 0 lbs | 44 lbs |
| 170 | Diphenylamine | 122-39-4 | 20 lbs | 14 lbs | 35 lbs |
| 171 | Pyridine | 110-86-1 | 33 lbs | 0 lbs | 33 lbs |
| 172 | Trichlorofluoromethane (CFC-11) | 75-69-4 | 32 lbs | 0 lbs | 32 lbs |
| 173 | Nitrobenzene | 98-95-3 | 23 lbs | 0 lbs | 23 lbs |
| 174 | Allyl chloride | 107-05-1 | 20 lbs | 0 lbs | 20 lbs |
| 175 | Butyraldehyde | 123-72-8 | 19 lbs | 0 lbs | 19 lbs |
| 176 | Triallate | 2303-17-5 | 13 lbs | 0 lbs | 13 lbs |
| 177 | Diaminotoluene (mixed isomers) | 25376-45-8 | 10 lbs | 0 lbs | 10 lbs |
| 178 | Carbon disulfide | 75-15-0 | 10 lbs | 0 lbs | 10 lbs |
| 179 | Chloroprene | 126-99-8 | 10 lbs | 0 lbs | 10 lbs |
| 180 | 4,4'-Isopropylidenediphenol | 80-05-7 | 9 lbs | 0 lbs | 9 lbs |
| 181 | Lindane | 58-89-9 | 9 lbs | 0 lbs | 9 lbs |
| 182 | Urethane | 51-79-6 | 9 lbs | 0 lbs | 9 lbs |
| 183 | 1,2-Dichloropropane | 78-87-5 | 8 lbs | 0 lbs | 8 lbs |
| 184 | 2,4-D | 94-75-7 | 8 lbs | 0 lbs | 8 lbs |
| 185 | Toluene-2,4-diisocyanate | 584-84-9 | 8 lbs | 0 lbs | 8 lbs |
| 186 | o-Toluidine | 95-53-4 | 7 lbs | 0 lbs | 7 lbs |
| 187 | Dibutyl phthalate | 84-74-2 | 6 lbs | 0 lbs | 6 lbs |
| 188 | 1,2,3-Trichloropropane | 96-18-4 | 6 lbs | 0 lbs | 6 lbs |
| 189 | Thiram | 137-26-8 | 6 lbs | 0 lbs | 6 lbs |
| 190 | 4,4'-Methylenedianiline | 101-77-9 | 6 lbs | 0 lbs | 6 lbs |
| 191 | o-Cresol | 95-48-7 | 5 lbs | 0 lbs | 5 lbs |
| 192 | Methoxychlor | 72-43-5 | 5 lbs | 0 lbs | 5 lbs |
| 193 | Acetophenone | 98-86-2 | 5 lbs | 0 lbs | 5 lbs |
| 194 | Dichlorobenzene (mixed isomers) | 25321-22-6 | 4 lbs | 0 lbs | 4 lbs |
| 195 | Fluorouracil | 51-21-8 | 4 lbs | 0 lbs | 4 lbs |
| 196 | Diazinon | 333-41-5 | 4 lbs | 0 lbs | 4 lbs |
| 197 | Malathion | 121-75-5 | 4 lbs | 0 lbs | 4 lbs |
| 198 | 2-Methoxyethanol | 109-86-4 | 4 lbs | 0 lbs | 4 lbs |
| 199 | Ethylene thiourea | 96-45-7 | 4 lbs | 0 lbs | 4 lbs |
| 200 | 2-Ethoxyethanol | 110-80-5 | 4 lbs | 0 lbs | 4 lbs |
| 201 | 1,3-Phenylenediamine | 108-45-2 | 3 lbs | 0 lbs | 3 lbs |
| 202 | Hexachlorophene | 70-30-4 | 3 lbs | 0 lbs | 3 lbs |
| 203 | Chlorophenols | N084 | 3 lbs | 0 lbs | 3 lbs |
| 204 | Bis(2-chloroethyl) ether | 111-44-4 | 3 lbs | 0 lbs | 3 lbs |
| 205 | Dibenzofuran | 132-64-9 | 3 lbs | 0 lbs | 3 lbs |
| 206 | 2-Methylpyridine | 109-06-8 | 2 lbs | 0 lbs | 2 lbs |
| 207 | 1,2,4-Trichlorobenzene | 120-82-1 | 2 lbs | 0 lbs | 2 lbs |
| 208 | Warfarin and salts | N874 | 2 lbs | 0 lbs | 2 lbs |
| 209 | Nicotine and salts | N503 | 2 lbs | 0 lbs | 2 lbs |
| 210 | Hexachloro-1,3-butadiene | 87-68-3 | 2 lbs | 0 lbs | 2 lbs |
| 211 | Bifenthrin | 82657-04-3 | 2 lbs | 0 lbs | 2 lbs |
| 212 | Pentachlorophenol | 87-86-5 | 2 lbs | 0 lbs | 2 lbs |
| 213 | Linuron | 330-55-2 | 2 lbs | 0 lbs | 2 lbs |
| 214 | Hexazinone | 51235-04-2 | 2 lbs | 0 lbs | 2 lbs |
| 215 | Benzo[g,h,i]perylene | 191-24-2 | 1 lbs | 1 lbs | 1 lbs |
| 216 | Paraldehyde | 123-63-7 | 1 lbs | 0 lbs | 1 lbs |
| 217 | Aldrin | 309-00-2 | 1 lbs | 0 lbs | 1 lbs |
| 218 | p-Cresol | 106-44-5 | 1 lbs | 0 lbs | 1 lbs |
| 219 | 2-Nitropropane | 79-46-9 | 1 lbs | 0 lbs | 1 lbs |
| 220 | Permethrin | 52645-53-1 | 1 lbs | 0 lbs | 1 lbs |
| 221 | Phenanthrene | 85-01-8 | 1 lbs | 0 lbs | 1 lbs |
| 222 | Pronamide | 23950-58-5 | 1 lbs | 0 lbs | 1 lbs |
| 223 | 2,4-Dinitrotoluene | 121-14-2 | 1 lbs | 0 lbs | 1 lbs |
| 224 | 2-Propenoic acid, butyl ester, telomer with 2-[[(heptadecafluorooctyl)sulfonyl]methylamino]ethyl 2-propenoate, 2-[methyl[(nonafluorobutyl)sulfonyl]amino]ethyl 2-propenoate, α-(2-methyl-1-oxo-2-propenyl)-ω-hydroxypoly(oxy-1,4-butanediyl), α-(2-methyl-1-oxo-2-propenyl)-ω-[(2-methyl-1-oxo-2-propenyl)oxy]poly(oxy-1,4-butanediyl), 2-[methyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl 2-propenoate, 2-[methyl[(tridecafluorohexyl)sulfonyl]amino]ethyl 2-propenoate, 2-[methyl[(undecafluoropentyl)sulfonyl]amino]ethyl 2-propenoate and 1-octanethiol | 68227-96-3 | 1 lbs | 0 lbs | 1 lbs |
| 225 | Isodrin | 465-73-6 | 1 lbs | 0 lbs | 1 lbs |
| 226 | Nitroglycerin | 55-63-0 | 1 lbs | 0 lbs | 1 lbs |
| 227 | Carbaryl | 63-25-2 | 1 lbs | 0 lbs | 1 lbs |
| 228 | Dichlorvos | 62-73-7 | 1 lbs | 0 lbs | 1 lbs |
| 229 | m-Cresol | 108-39-4 | 1 lbs | 0 lbs | 1 lbs |
| 230 | Diallate | 2303-16-4 | 1 lbs | 0 lbs | 1 lbs |
| 231 | Pendimethalin | 40487-42-1 | 1 lbs | 0 lbs | 1 lbs |
| 232 | Polychlorinated alkanes (C10-C13) | N583 | 1 lbs | 0 lbs | 1 lbs |
| 233 | 1,2-Dibromoethane | 106-93-4 | 1 lbs | 0 lbs | 1 lbs |
| 234 | 1,2-Phenylenediamine | 95-54-5 | 1 lbs | 0 lbs | 1 lbs |
| 235 | 1,1,1,2-Tetrachloroethane | 630-20-6 | 1 lbs | 0 lbs | 1 lbs |
| 236 | N-Nitrosodiphenylamine | 86-30-6 | 1 lbs | 0 lbs | 1 lbs |
| 237 | Anthracene | 120-12-7 | 1 lbs | 0 lbs | 1 lbs |
| 238 | Mecoprop | 93-65-2 | 1 lbs | 0 lbs | 1 lbs |
| 239 | Bendiocarb | 22781-23-3 | 1 lbs | 0 lbs | 1 lbs |
| 240 | Benomyl | 17804-35-2 | 1 lbs | 0 lbs | 1 lbs |
| 241 | Aldicarb | 116-06-3 | 1 lbs | 0 lbs | 1 lbs |
| 242 | 2,4-Dimethylphenol | 105-67-9 | 1 lbs | 0 lbs | 1 lbs |
| 243 | Captan | 133-06-2 | 1 lbs | 0 lbs | 1 lbs |
| 244 | Acrylamide | 79-06-1 | 1 lbs | 0 lbs | 1 lbs |
| 245 | Thiophanate-methyl | 23564-05-8 | 1 lbs | 0 lbs | 1 lbs |
| 246 | Tetrabromobisphenol A | 79-94-7 | 1 lbs | 0 lbs | 1 lbs |
| # | Chemical | CAS# | Air (lbs/yr) | Water (lbs/yr) | Total (lbs/yr) |
|---|---|---|---|---|---|
| 1 | Methanol | 67-56-1 | 55,775 lbs | 69,184 lbs | 3,411,864 lbs |
| 2 | N-Methyl-2-pyrrolidone | 872-50-4 | 1 lbs | 0 lbs | 1,988,561 lbs |
| 3 | Zinc compounds | N982 | 434 lbs | 1,694 lbs | 1,592,045 lbs |
| 4 | Cyanide compounds | N106 | 0 lbs | 396 lbs | 1,465,365 lbs |
| 5 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | N511 | 0 lbs | 629,081 lbs | 1,227,169 lbs |
| 6 | Diethanolamine | 111-42-2 | 0 lbs | 0 lbs | 1,132,847 lbs |
| 7 | Nickel compounds | N495 | 0 lbs | 0 lbs | 1,111,378 lbs |
| 8 | Ammonia | 7664-41-7 | 98,317 lbs | 2,057 lbs | 938,667 lbs |
| 9 | Ethylene glycol | 107-21-1 | 1,649 lbs | 0 lbs | 391,651 lbs |
| 10 | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | N090 | 49 lbs | 66 lbs | 325,247 lbs |
| 11 | Ethylene | 74-85-1 | 300,963 lbs | 0 lbs | 300,963 lbs |
| 12 | Nitric acid | 7697-37-2 | 31 lbs | 0 lbs | 290,916 lbs |
| 13 | Propylene | 115-07-1 | 264,362 lbs | 0 lbs | 264,362 lbs |
| 14 | Certain glycol ethers | N230 | 3,027 lbs | 0 lbs | 251,600 lbs |
| 15 | Aluminum oxide (fibrous forms) | 1344-28-1 | 0 lbs | 0 lbs | 248,117 lbs |
| 16 | Lead And Lead Compounds | N420 | 178 lbs | 144 lbs | 233,122 lbs |
| 17 | Isobutyraldehyde | 78-84-2 | 0 lbs | 0 lbs | 206,557 lbs |
| 18 | Toluene | 108-88-3 | 3,576 lbs | 11 lbs | 197,230 lbs |
| 19 | Naphthalene | 91-20-3 | 270 lbs | 18 lbs | 171,444 lbs |
| 20 | Copper And Copper Compounds | N100 | 2 lbs | 4,129 lbs | 158,877 lbs |
| 21 | Xylene (mixed isomers) | 1330-20-7 | 1,153 lbs | 0 lbs | 154,866 lbs |
| 22 | n-Hexane | 110-54-3 | 65,515 lbs | 0 lbs | 129,221 lbs |
| 23 | Benzene | 71-43-2 | 1,767 lbs | 3 lbs | 110,385 lbs |
| 24 | Silver And Silver Compounds | N740 | 7 lbs | 92 lbs | 99,757 lbs |
| 25 | Vinyl acetate | 108-05-4 | 82,469 lbs | 410 lbs | 96,965 lbs |
| 26 | n-Butyl alcohol | 71-36-3 | 30,571 lbs | 0 lbs | 95,192 lbs |
| 27 | 1,2-Dichloroethane | 107-06-2 | 12,360 lbs | 15 lbs | 94,898 lbs |
| 28 | Nickel | 7440-02-0 | 0 lbs | 0 lbs | 93,419 lbs |
| 29 | Manganese compounds | N450 | 1 lbs | 0 lbs | 85,720 lbs |
| 30 | Selenium And Selenium Compounds | N725 | 4 lbs | 100 lbs | 68,868 lbs |
| 31 | Formic acid | 64-18-6 | 294 lbs | 0 lbs | 68,192 lbs |
| 32 | Dinitrobutyl phenol | 88-85-7 | 0 lbs | 0 lbs | 65,769 lbs |
| 33 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | N090 | 0 lbs | 0 lbs | 62,222 lbs |
| 34 | Aluminum (fume or dust) | 7429-90-5 | 26 lbs | 0 lbs | 61,481 lbs |
| 35 | Ethylbenzene | 100-41-4 | 362 lbs | 2 lbs | 61,214 lbs |
| 36 | Methyl methacrylate | 80-62-6 | 60,017 lbs | 0 lbs | 60,017 lbs |
| 37 | tert-Butyl alcohol | 75-65-0 | 1 lbs | 0 lbs | 58,149 lbs |
| 38 | Barium And Barium Compounds | N040 | 12 lbs | 0 lbs | 58,101 lbs |
| 39 | Maleic anhydride | 108-31-6 | 2,270 lbs | 0 lbs | 54,593 lbs |
| 40 | Nickel And Nickel Compounds | N495 | 23 lbs | 69 lbs | 51,010 lbs |
| 41 | o-Xylene | 95-47-6 | 0 lbs | 0 lbs | 50,147 lbs |
| 42 | Butyl acrylate | 141-32-2 | 24,361 lbs | 0 lbs | 46,358 lbs |
| 43 | Dicyclopentadiene | 77-73-6 | 4,280 lbs | 5 lbs | 41,463 lbs |
| 44 | Acrylic acid | 79-10-7 | 9,951 lbs | 0 lbs | 41,044 lbs |
| 45 | Triethylamine | 121-44-8 | 3 lbs | 0 lbs | 39,901 lbs |
| 46 | Dimethylamine | 124-40-3 | 32 lbs | 0 lbs | 33,778 lbs |
| 47 | Arsenic And Arsenic Compounds | N020 | 6 lbs | 66 lbs | 29,093 lbs |
| 48 | 1,4-Dioxane | 123-91-1 | 0 lbs | 0 lbs | 28,841 lbs |
| 49 | p-Xylene | 106-42-3 | 0 lbs | 0 lbs | 28,776 lbs |
| 50 | Propionaldehyde | 123-38-6 | 0 lbs | 0 lbs | 27,661 lbs |
| 51 | Cadmium | 7440-43-9 | 2 lbs | 43 lbs | 26,681 lbs |
| 52 | Chromium | 7440-47-3 | 0 lbs | 0 lbs | 24,603 lbs |
| 53 | 2-Methyllactonitrile | 75-86-5 | 998 lbs | 0 lbs | 23,679 lbs |
| 54 | Antimony compounds | N010 | 0 lbs | 0 lbs | 23,650 lbs |
| 55 | Acetonitrile | 75-05-8 | 40 lbs | 0 lbs | 22,493 lbs |
| 56 | Phthalic anhydride | 85-44-9 | 0 lbs | 0 lbs | 22,047 lbs |
| 57 | Hydrogen fluoride | 7664-39-3 | 0 lbs | 0 lbs | 21,273 lbs |
| 58 | Formaldehyde | 50-00-0 | 5,252 lbs | 0 lbs | 20,217 lbs |
| 59 | Dichloromethane | 75-09-2 | 89 lbs | 0 lbs | 17,658 lbs |
| 60 | 1,2,4-Trimethylbenzene | 95-63-6 | 0 lbs | 0 lbs | 17,124 lbs |
| 61 | Methyl isobutyl ketone | 108-10-1 | 2,474 lbs | 0 lbs | 16,560 lbs |
| 62 | m-Xylene | 108-38-3 | 0 lbs | 0 lbs | 16,468 lbs |
| 63 | Aniline | 62-53-3 | 0 lbs | 0 lbs | 13,759 lbs |
| 64 | Vinyl chloride | 75-01-4 | 12,784 lbs | 5 lbs | 12,788 lbs |
| 65 | Hydrogen cyanide | 74-90-8 | 12,157 lbs | 0 lbs | 12,157 lbs |
| 66 | Zinc (fume or dust) | 7440-66-6 | 215 lbs | 0 lbs | 11,414 lbs |
| 67 | Cobalt compounds | N096 | 0 lbs | 0 lbs | 10,925 lbs |
| 68 | Thallium compounds | N760 | 0 lbs | 0 lbs | 10,842 lbs |
| 69 | Dimethyl phthalate | 131-11-3 | 0 lbs | 0 lbs | 7,416 lbs |
| 70 | 1,2-Dichlorobenzene | 95-50-1 | 0 lbs | 0 lbs | 7,230 lbs |
| 71 | Acetaldehyde | 75-07-0 | 5,933 lbs | 161 lbs | 6,094 lbs |
| 72 | Hexafluoropropylene oxide dimer acid ammonium salt | 62037-80-3 | 0 lbs | 0 lbs | 5,728 lbs |
| 73 | Trade Secret | TRD SECRT | 5,677 lbs | 0 lbs | 5,677 lbs |
| 74 | Chlorine | 7782-50-5 | 5,622 lbs | 0 lbs | 5,622 lbs |
| 75 | Vanadium compounds | N770 | 0 lbs | 0 lbs | 5,467 lbs |
| 76 | Hexafluoropropylene oxide dimer acid | 13252-13-6 | 0 lbs | 0 lbs | 4,402 lbs |
| 77 | Lead compounds | N420 | 0 lbs | 0 lbs | 4,131 lbs |
| 78 | 1,3-Butadiene | 106-99-0 | 3,952 lbs | 9 lbs | 3,961 lbs |
| 79 | Ethyl acrylate | 140-88-5 | 3,769 lbs | 0 lbs | 3,769 lbs |
| 80 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7647-01-0 | 2,423 lbs | 0 lbs | 2,423 lbs |
| 81 | Epichlorohydrin | 106-89-8 | 0 lbs | 0 lbs | 2,400 lbs |
| 82 | Mercury And Mercury Compounds | N458 | 101 lbs | 1 lbs | 2,375 lbs |
| 83 | Diisocyanates | N120 | 1,845 lbs | 0 lbs | 1,845 lbs |
| 84 | Acrylonitrile | 107-13-1 | 1,776 lbs | 0 lbs | 1,776 lbs |
| 85 | Lead | 7439-92-1 | 0 lbs | 5 lbs | 1,731 lbs |
| 86 | Cyclohexane | 110-82-7 | 1,729 lbs | 0 lbs | 1,729 lbs |
| 87 | Methyl iodide | 74-88-4 | 1,600 lbs | 0 lbs | 1,600 lbs |
| 88 | Chloroethane | 75-00-3 | 1,506 lbs | 0 lbs | 1,506 lbs |
| 89 | Boron trifluoride | 7637-07-2 | 1,192 lbs | 0 lbs | 1,192 lbs |
| 90 | Chloroform | 67-66-3 | 803 lbs | 9 lbs | 812 lbs |
| 91 | Perfluorooctanoic acid | 335-67-1 | 0 lbs | 0 lbs | 634 lbs |
| 92 | Isoprene | 78-79-5 | 583 lbs | 0 lbs | 583 lbs |
| 93 | Carbon tetrachloride | 56-23-5 | 576 lbs | 0 lbs | 576 lbs |
| 94 | N,N-Dimethylformamide | 68-12-2 | 570 lbs | 0 lbs | 570 lbs |
| 95 | Mercury compounds | N458 | 0 lbs | 0 lbs | 273 lbs |
| 96 | Hydrogen sulfide | 7783-06-4 | 235 lbs | 0 lbs | 235 lbs |
| 97 | 1,1,2-Trichloroethane | 79-00-5 | 230 lbs | 0 lbs | 230 lbs |
| 98 | Mercury | 7439-97-6 | 0 lbs | 0 lbs | 222 lbs |
| 99 | Toxaphene | 8001-35-2 | 0 lbs | 0 lbs | 217 lbs |
| 100 | Chlordane | 57-74-9 | 0 lbs | 0 lbs | 216 lbs |
| 101 | Heptachlor | 76-44-8 | 0 lbs | 0 lbs | 215 lbs |
| 102 | Trifluralin | 1582-09-8 | 0 lbs | 0 lbs | 215 lbs |
| 103 | Styrene | 100-42-5 | 166 lbs | 0 lbs | 166 lbs |
| 104 | Ethylidene dichloride | 75-34-3 | 159 lbs | 0 lbs | 159 lbs |
| 105 | Polycyclic aromatic compounds | N590 | 3 lbs | 0 lbs | 111 lbs |
| 106 | 1,2-Dichloroethylene | 540-59-0 | 103 lbs | 0 lbs | 103 lbs |
| 107 | Hydroquinone | 123-31-9 | 84 lbs | 0 lbs | 84 lbs |
| 108 | Vinylidene chloride | 75-35-4 | 51 lbs | 0 lbs | 51 lbs |
| 109 | Acrolein | 107-02-8 | 27 lbs | 0 lbs | 27 lbs |
| 110 | Tetrachloroethylene | 127-18-4 | 26 lbs | 0 lbs | 26 lbs |
| 111 | 1,1,2,2-Tetrachloroethane | 79-34-5 | 24 lbs | 0 lbs | 24 lbs |
| 112 | Pentachloroethane | 76-01-7 | 20 lbs | 0 lbs | 20 lbs |
| 113 | Pentachlorobenzene | 608-93-5 | 0 lbs | 0 lbs | 16 lbs |
| 114 | Hexachlorocyclopentadiene | 77-47-4 | 10 lbs | 5 lbs | 15 lbs |
| 115 | Nonylphenol | N530 | 12 lbs | 0 lbs | 12 lbs |
| 116 | Methyl tert-butyl ether | 1634-04-4 | 11 lbs | 0 lbs | 11 lbs |
| 117 | Ethylene oxide | 75-21-8 | 10 lbs | 0 lbs | 10 lbs |
| 118 | Trichloroethylene | 79-01-6 | 9 lbs | 0 lbs | 9 lbs |
| 119 | Polychlorinated biphenyls | 1336-36-3 | 7 lbs | 0 lbs | 7 lbs |
| 120 | Hexachloroethane | 67-72-1 | 7 lbs | 0 lbs | 7 lbs |
| 121 | Dioxin and dioxin-like compounds | N150 | 0 lbs | 7 lbs | 7 lbs |
| 122 | sec-Butyl alcohol | 78-92-2 | 5 lbs | 0 lbs | 5 lbs |
| 123 | Chlorobenzene | 108-90-7 | 3 lbs | 0 lbs | 3 lbs |
| 124 | Hexachlorobenzene | 118-74-1 | 1 lbs | 1 lbs | 2 lbs |
| 125 | 1,4-Dichlorobenzene | 106-46-7 | 2 lbs | 0 lbs | 2 lbs |
| 126 | 2-Methylpyridine | 109-06-8 | 2 lbs | 0 lbs | 2 lbs |
| 127 | Propylene oxide | 75-56-9 | 1 lbs | 0 lbs | 1 lbs |
| 128 | Pyridine | 110-86-1 | 1 lbs | 0 lbs | 1 lbs |
| 129 | Chloroprene | 126-99-8 | 1 lbs | 0 lbs | 1 lbs |
| 130 | Methyl acrylate | 96-33-3 | 1 lbs | 0 lbs | 1 lbs |
| 131 | 1,1,1-Trichloroethane | 71-55-6 | 1 lbs | 0 lbs | 1 lbs |
| 132 | Allyl chloride | 107-05-1 | 1 lbs | 0 lbs | 1 lbs |
| 133 | Butyraldehyde | 123-72-8 | 1 lbs | 0 lbs | 1 lbs |
| 134 | Nitrobenzene | 98-95-3 | 1 lbs | 0 lbs | 1 lbs |
See how pollution varies across different areas of the Houston metro: