VALERO CORPUS CHRISTI REFINERIES - WEST PLANT
Quick Summary
- •Released 819,513 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $103,230 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
5900 UP RIVER ROAD
CORPUS CHRISTI, TX 78407
View on map ↗ - County
- NUECES County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 324110
- Inspections
- 10 · last Jul 30, 2025
- Total Penalties
- $103,230 · last Mar 13, 2023
- Registry ID
- 110064636032
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 782,249 | — |
| 2016 | 772,991 | -1% |
| 2017 | 819,513 | +6% |
| 2018 | 798,722 | -3% |
| 2019 | 509,515 | -36% |
| 2020 | 877,092 | +72% |
| 2021 | 833,665 | -5% |
| 2022 | 975,544 | +17% |
| 2023 | 909,058 | -7% |
| 2024 | 878,673 | -3% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen cyanide | 382,162 | 382,162 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 311,620 | — | 311,620 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 42,422 | 42,422 | — | — | — | |
| Ammonia | 30,655 | 30,007 | 648 | — | — | |
| Toluene | 23,197 | 23,193 | 3 | 1 | 225 | |
| n-Hexane | 22,039 | 22,035 | 3 | 1 | — | |
| Xylene (mixed isomers) | 18,228 | 18,227 | — | 1 | 828 | |
| Benzene | 11,646 | 11,643 | 3 | 0 | 101 | ♦ Carcinogen |
| Hydrogen sulfide | 10,303 | 10,303 | — | — | — | |
| Cyclohexane | 4,628 | 4,625 | 3 | 0 | — | |
| Carbon disulfide | 3,851 | 3,851 | — | — | 0 | |
| Ethylbenzene | 3,606 | 3,603 | 3 | 0 | 65 | ♦ Carcinogen |
| Propylene | 2,380 | 2,380 | — | — | — | |
| Carbonyl sulfide | 2,131 | 2,131 | — | — | — | |
| Ethylene | 1,990 | 1,990 | — | — | — | |
| Tetrachloroethylene | 1,966 | 1,963 | 3 | — | — | ♦ Carcinogen |
| Chlorine | 1,066 | 548 | 518 | — | — | |
| Naphthalene | 859 | 859 | — | 0 | 5 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 723 | 719 | 3 | 1 | 0 | |
| Ethylene glycol | 559 | 5 | 554 | — | — | |
| Polycyclic aromatic compounds | 345 | 344 | — | 1 | — | ♦ Carcinogen |
| Molybdenum trioxide | 345 | — | 345 | — | 3 | ♦ Carcinogen |
| Nickel compounds | 309 | 209 | 100 | — | 1,404 | ♦ Carcinogen |
| Cresol (mixed isomers) | 298 | 298 | — | — | — | |
| Hydrogen fluoride | 254 | 254 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 251 | 251 | — | — | — | |
| Styrene | 227 | 227 | — | — | 0 | ♦ Carcinogen |
| Phenanthrene | 183 | 183 | — | — | 6 | |
| Lead compounds | 146 | 135 | 10 | — | 794 | |
| 1,3-Butadiene | 128 | 128 | — | — | — | ♦ Carcinogen |
| Cumene | 91 | 89 | — | 2 | — | ♦ Carcinogen |
| Anthracene | 40 | 40 | — | — | 2 | |
| Mercury compounds | 13 | 12 | 1 | — | 130 | |
| tert-Butyl alcohol | 5 | 5 | — | — | — | |
| Benzo[g,h,i]perylene | 5 | 5 | — | — | 13 | |
| Methanol | 3 | 0 | 3 | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen cyanide | 381,845 | 381,845 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 322,071 | — | 322,071 | — | 34,163 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 42,798 | 42,798 | — | — | — | |
| n-Hexane | 37,008 | 36,995 | 3 | 10 | — | |
| Ammonia | 35,577 | 35,291 | 286 | — | — | |
| Toluene | 24,040 | 24,029 | 3 | 7 | 4,960 | |
| Xylene (mixed isomers) | 18,497 | 18,490 | — | 7 | 22,276 | |
| Hydrogen sulfide | 11,284 | 11,284 | — | — | — | |
| Benzene | 11,193 | 11,179 | 3 | 11 | 1,623 | ♦ Carcinogen |
| Cyclohexane | 4,477 | 4,467 | 3 | 6 | — | |
| Carbon disulfide | 4,139 | 4,139 | — | — | 0 | |
| Ethylbenzene | 3,678 | 3,671 | 3 | 3 | 1,819 | ♦ Carcinogen |
| Carbonyl sulfide | 2,552 | 2,552 | — | — | — | |
| Ethylene | 2,011 | 2,011 | — | — | — | |
| Tetrachloroethylene | 1,966 | 1,963 | 3 | — | 1 | ♦ Carcinogen |
| Chlorine | 1,061 | 547 | 514 | — | — | |
| Naphthalene | 876 | 873 | — | 3 | 335 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 754 | 741 | 3 | 10 | 302 | |
| Propylene | 575 | 573 | — | 2 | — | |
| Molybdenum trioxide | 375 | — | 375 | — | 301 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 351 | 341 | — | 10 | 0 | ♦ Carcinogen |
| Nickel compounds | 314 | 208 | 105 | — | 2,431 | ♦ Carcinogen |
| Cresol (mixed isomers) | 298 | 298 | — | — | 23 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 251 | 251 | — | — | — | |
| Styrene | 224 | 224 | — | — | 5 | ♦ Carcinogen |
| Ethylene glycol | 206 | 5 | 201 | — | — | |
| Phenanthrene | 186 | 186 | — | 0 | 27 | |
| Lead compounds | 145 | 135 | 10 | — | 794 | |
| 1,3-Butadiene | 129 | 129 | — | — | — | ♦ Carcinogen |
| Cumene | 103 | 102 | — | 1 | — | ♦ Carcinogen |
| Anthracene | 40 | 40 | — | — | 123 | |
| Hydrogen fluoride | 14 | 14 | — | — | — | |
| Mercury compounds | 13 | 12 | 1 | — | 13 | |
| tert-Butyl alcohol | 5 | 5 | — | — | — | |
| Methanol | 3 | 0 | 3 | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 240 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen cyanide | 470,643 | 470,643 | — | — | — | |
| n-Hexane | 183,761 | 183,757 | 3 | 0 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 138,527 | — | 138,527 | — | 735 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 52,508 | 52,508 | — | — | — | |
| Ammonia | 38,109 | 36,346 | 1,763 | — | — | |
| Toluene | 22,714 | 22,711 | 3 | 0 | 2,730 | |
| Benzene | 16,576 | 16,572 | 3 | 0 | 1,768 | ♦ Carcinogen |
| Xylene (mixed isomers) | 15,076 | 15,073 | 3 | 0 | 22,407 | |
| Hydrogen sulfide | 14,003 | 13,998 | 5 | — | — | |
| Cyclohexane | 5,253 | 5,253 | — | — | — | |
| Carbon disulfide | 4,065 | 4,065 | — | — | 1 | |
| Ethylbenzene | 3,159 | 3,156 | 3 | 0 | 1,331 | ♦ Carcinogen |
| Carbonyl sulfide | 2,165 | 2,165 | — | — | — | |
| Tetrachloroethylene | 1,966 | 1,963 | 3 | — | 1 | ♦ Carcinogen |
| Propylene | 937 | 937 | — | — | — | |
| Naphthalene | 820 | 820 | — | 0 | 120 | ♦ Carcinogen |
| Chlorine | 743 | 743 | — | — | — | |
| 1,2,4-Trimethylbenzene | 717 | 714 | 3 | 0 | 347 | |
| Cresol (mixed isomers) | 639 | 639 | — | — | 26 | |
| Polycyclic aromatic compounds | 419 | 419 | — | 0 | — | ♦ Carcinogen |
| Molybdenum trioxide | 375 | — | 375 | — | 841 | ♦ Carcinogen |
| Ethylene | 375 | 375 | — | — | — | |
| Nickel compounds | 338 | 338 | — | — | 2,154 | ♦ Carcinogen |
| Phenanthrene | 311 | 311 | — | — | 27 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 309 | 309 | — | — | — | |
| Styrene | 259 | 259 | — | — | 6 | ♦ Carcinogen |
| Ethylene glycol | 206 | 5 | 201 | — | — | |
| Lead compounds | 175 | 165 | 10 | — | 1,037 | |
| 1,3-Butadiene | 153 | 153 | — | — | — | ♦ Carcinogen |
| Cumene | 116 | 116 | — | — | — | ♦ Carcinogen |
| Anthracene | 56 | 56 | — | — | 30 | |
| Hydrogen fluoride | 48 | 48 | — | — | — | |
| Mercury compounds | 15 | 14 | 1 | — | 16 | |
| tert-Butyl alcohol | 5 | 5 | — | — | — | |
| Methanol | 3 | — | 3 | — | — | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 64 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| tert-Butyl alcohol | — | — | — | — | — | |
| Hydrogen cyanide | 518,619 | 518,619 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 138,923 | — | 138,923 | — | 557 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 57,612 | 57,612 | — | — | — | |
| Ammonia | 42,379 | 38,354 | 4,024 | — | — | |
| n-Hexane | 24,796 | 24,790 | 3 | 3 | — | |
| Toluene | 13,526 | 13,523 | 3 | 0 | 2,067 | |
| Benzene | 8,046 | 8,042 | 3 | 0 | 3,308 | ♦ Carcinogen |
| Xylene (mixed isomers) | 6,883 | 6,880 | 3 | 0 | 18,521 | |
| Hydrogen sulfide | 4,440 | 4,435 | 5 | — | — | |
| Cyclohexane | 3,979 | 3,978 | — | 0 | — | |
| Carbon disulfide | 3,224 | 3,224 | — | — | 1 | |
| Ethylbenzene | 2,265 | 2,262 | 3 | 0 | 1,021 | ♦ Carcinogen |
| Tetrachloroethylene | 1,966 | 1,963 | 3 | — | 1 | ♦ Carcinogen |
| Chlorine | 1,261 | 743 | 518 | — | — | |
| Carbonyl sulfide | 1,145 | 1,145 | — | — | — | |
| Propylene | 759 | 759 | — | 0 | — | |
| 1,2,4-Trimethylbenzene | 617 | 614 | 3 | 0 | 649 | |
| Polycyclic aromatic compounds | 553 | 553 | — | 0 | — | ♦ Carcinogen |
| Nickel compounds | 452 | 363 | 89 | — | 9,950 | ♦ Carcinogen |
| Molybdenum trioxide | 375 | — | 375 | — | 28 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 340 | 340 | — | — | — | |
| Ethylene | 274 | 274 | — | — | — | |
| Ethylene glycol | 213 | — | 213 | — | — | |
| Phenol | 211 | 100 | 111 | 0 | 1 | |
| Lead compounds | 191 | 181 | 10 | — | 1,440 | |
| 1,3-Butadiene | 166 | 166 | — | — | — | ♦ Carcinogen |
| Styrene | 126 | 126 | — | — | — | ♦ Carcinogen |
| Naphthalene | 124 | 124 | — | 0 | 95 | ♦ Carcinogen |
| Phenanthrene | 59 | 59 | — | 0 | 44 | |
| Cumene | 51 | 51 | — | 0 | — | ♦ Carcinogen |
| Hydrogen fluoride | 43 | 43 | — | — | — | |
| Cresol (mixed isomers) | 26 | 26 | — | — | 14 | |
| Mercury compounds | 16 | 15 | 1 | — | 20 | |
| Methanol | 3 | — | 3 | — | — | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 7 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Anthracene | 1 | 1 | — | — | 1 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| tert-Butyl alcohol | — | — | — | — | — | |
| Hydrogen cyanide | 551,226 | 551,226 | — | — | 186 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 137,216 | — | 137,216 | — | 7,012 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 61,483 | 61,483 | — | — | — | |
| Ammonia | 44,643 | 41,611 | 3,032 | — | — | |
| n-Hexane | 22,475 | 22,468 | 3 | 4 | — | |
| Toluene | 13,621 | 13,616 | 3 | 2 | 1,728 | |
| Hydrogen sulfide | 8,355 | 8,350 | 5 | — | — | |
| Benzene | 8,119 | 8,038 | 3 | 78 | 1,608 | ♦ Carcinogen |
| Xylene (mixed isomers) | 7,548 | 7,543 | 3 | 2 | 21,068 | |
| Carbon disulfide | 4,123 | 4,123 | — | — | 0 | |
| Cyclohexane | 3,845 | 3,843 | — | 2 | — | |
| Ethylbenzene | 2,823 | 2,819 | 3 | 1 | 1,061 | ♦ Carcinogen |
| Carbonyl sulfide | 1,909 | 1,909 | — | — | — | |
| Tetrachloroethylene | 1,891 | 1,888 | 3 | — | 1 | ♦ Carcinogen |
| Propylene | 1,734 | 1,734 | — | 0 | — | |
| Chlorine | 1,374 | 795 | 579 | — | — | |
| 1,2,4-Trimethylbenzene | 891 | 884 | 3 | 4 | 83 | |
| Polycyclic aromatic compounds | 609 | 604 | — | 5 | 488 | ♦ Carcinogen |
| Ethylene | 506 | 506 | — | — | — | |
| Nickel compounds | 468 | 377 | 91 | — | 167,465 | ♦ Carcinogen |
| Molybdenum trioxide | 363 | — | 363 | — | 5,306 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 362 | 362 | — | — | — | |
| n-Butyl alcohol | 271 | 271 | — | — | — | |
| Phenol | 205 | 106 | 99 | 0 | 99 | |
| Lead compounds | 202 | 191 | 11 | — | 866 | |
| Ethylene glycol | 201 | — | 201 | — | — | |
| 1,3-Butadiene | 175 | 175 | — | — | — | ♦ Carcinogen |
| Naphthalene | 140 | 138 | — | 1 | 149 | ♦ Carcinogen |
| Styrene | 98 | 98 | — | — | 2 | ♦ Carcinogen |
| Phenanthrene | 65 | 64 | — | 0 | 156 | |
| Cumene | 55 | 55 | — | 0 | — | ♦ Carcinogen |
| Hydrogen fluoride | 45 | 45 | — | — | — | |
| Cresol (mixed isomers) | 29 | 29 | — | — | 28 | |
| Mercury compounds | 16 | 15 | 1 | — | 8 | |
| Methanol | 3 | — | 3 | — | — | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 118 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Anthracene | 1 | 1 | — | — | 100 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen cyanide | 486,670 | 486,670 | — | — | — | |
| Toluene | 14,868 | 14,844 | 3 | 21 | 1,727 | |
| Ethylbenzene | 2,583 | 2,572 | 3 | 8 | 843 | ♦ Carcinogen |
| Tetrachloroethylene | 1,966 | 1,963 | 3 | — | 1 | ♦ Carcinogen |
| Chlorine | 1,320 | 814 | 506 | — | — | |
| Ethylene | 716 | 716 | — | — | — | |
| Polycyclic aromatic compounds | 606 | 598 | — | 8 | 483 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 457 | 437 | 3 | 17 | 186 | |
| Zinc compounds | 240 | 13 | 227 | — | 30,850 | |
| n-Butyl alcohol | 42 | 42 | — | — | — | |
| Cresol (mixed isomers) | 25 | 25 | — | — | 217 | |
| tert-Butyl alcohol | 22 | 22 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Asbestos (friable) | — | — | — | — | 90,560 | ♦ Carcinogen |
| Hydrogen cyanide | 417,345 | 417,345 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 125,806 | — | 125,806 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 55,074 | 55,074 | — | — | — | |
| Ammonia | 50,608 | 46,178 | 4,430 | — | — | |
| n-Hexane | 41,109 | 41,095 | 3 | 12 | — | |
| Toluene | 25,353 | 25,341 | 3 | 10 | 5,201 | |
| Xylene (mixed isomers) | 22,746 | 22,735 | — | 11 | 21,717 | |
| Benzene | 12,028 | 12,021 | 3 | 4 | 2,567 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,741 | 11,741 | — | — | — | |
| Hydrogen sulfide | 9,278 | 9,272 | 6 | — | — | |
| Cyclohexane | 5,718 | 5,705 | 3 | 10 | — | |
| Propylene | 3,641 | 3,639 | — | 2 | — | |
| Carbon disulfide | 3,610 | 3,610 | — | — | 1 | |
| Ethylbenzene | 3,266 | 3,259 | 3 | 4 | 1,910 | ♦ Carcinogen |
| Cyanide compounds | 2,598 | 2,598 | — | — | 483 | |
| Tetrachloroethylene | 1,969 | 1,963 | 6 | — | 1 | ♦ Carcinogen |
| Carbonyl sulfide | 1,683 | 1,683 | — | — | — | |
| Chlorine | 1,515 | 1,005 | 510 | — | — | |
| Ethylene glycol | 945 | 9 | 936 | — | — | |
| Ethylene | 773 | 773 | — | — | — | |
| Antimony compounds | 614 | 94 | 520 | — | 1 | |
| 1,2,4-Trimethylbenzene | 393 | 384 | 3 | 6 | 533 | |
| Lead compounds | 180 | 170 | 10 | — | 2,089 | |
| Hydrogen fluoride | 169 | 169 | — | — | — | |
| 1,3-Butadiene | 161 | 161 | — | — | — | ♦ Carcinogen |
| Styrene | 98 | 98 | — | — | 9 | ♦ Carcinogen |
| Naphthalene | 70 | 67 | — | 3 | 224 | ♦ Carcinogen |
| Methanol | 69 | 66 | 3 | — | — | |
| Polycyclic aromatic compounds | 43 | 39 | — | 5 | 2 | ♦ Carcinogen |
| Cumene | 36 | 34 | — | 2 | — | ♦ Carcinogen |
| n-Butyl alcohol | 21 | 21 | — | — | — | |
| Phenanthrene | 20 | 19 | — | 1 | 58 | |
| tert-Butyl alcohol | 17 | 17 | — | — | — | |
| Mercury compounds | 15 | 14 | 1 | — | 21 | |
| Cresol (mixed isomers) | 7 | 7 | — | — | 39 | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 61 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Anthracene | 1 | 1 | — | — | 8 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | 5,149 | ♦ Carcinogen |
| Hydrogen cyanide | 476,455 | 476,455 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 128,366 | — | 128,366 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 62,446 | 62,446 | — | — | — | |
| Ammonia | 52,436 | 47,850 | 4,586 | — | — | |
| n-Hexane | 37,715 | 37,712 | 3 | — | — | |
| Toluene | 14,670 | 14,667 | 3 | — | 1,839 | |
| Benzene | 9,552 | 9,549 | 3 | — | 2,422 | ♦ Carcinogen |
| Xylene (mixed isomers) | 6,952 | 6,952 | — | — | 13,388 | |
| Hydrogen sulfide | 5,871 | 5,866 | 5 | — | — | |
| Carbon disulfide | 3,679 | 3,679 | — | — | 1 | |
| Cyclohexane | 3,235 | 3,232 | 3 | — | — | |
| Cyanide compounds | 2,945 | 2,945 | — | — | 534 | |
| Ethylbenzene | 2,267 | 2,264 | 3 | 0 | 650 | ♦ Carcinogen |
| Propylene | 2,160 | 2,160 | — | — | — | |
| Zinc compounds | 2,077 | 13 | 2,064 | — | 787 | |
| Tetrachloroethylene | 1,969 | 1,963 | 6 | — | 2 | ♦ Carcinogen |
| Carbonyl sulfide | 1,445 | 1,445 | — | — | — | |
| Chlorine | 1,299 | 797 | 502 | — | — | |
| Ethylene glycol | 850 | 7 | 843 | — | — | |
| Antimony compounds | 625 | 96 | 529 | — | 257 | |
| Nickel compounds | 467 | 387 | 80 | — | 165,551 | ♦ Carcinogen |
| Ethylene | 463 | 463 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 367 | 367 | — | — | — | |
| 1,2,4-Trimethylbenzene | 338 | 335 | 3 | — | 298 | |
| Lead compounds | 202 | 193 | 9 | — | 1,853 | |
| 1,3-Butadiene | 182 | 182 | — | — | — | ♦ Carcinogen |
| Styrene | 107 | 107 | — | — | 6 | ♦ Carcinogen |
| Naphthalene | 87 | 87 | — | — | 469 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 61 | 61 | — | — | 466 | ♦ Carcinogen |
| Methanol | 55 | 52 | 3 | — | — | |
| Cumene | 40 | 40 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 33 | — | — | 33 | 301,032 | |
| Phenanthrene | 28 | 28 | — | — | 167 | |
| n-Butyl alcohol | 19 | 19 | — | — | — | |
| tert-Butyl alcohol | 17 | 17 | — | — | — | |
| Mercury compounds | 17 | 16 | 1 | — | 24 | |
| Cresol (mixed isomers) | 11 | 11 | — | — | 214 | |
| Hydrogen fluoride | 2 | 2 | — | — | — | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 138 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Anthracene | 1 | 1 | — | — | 109 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum oxide (fibrous forms) | — | — | — | — | 1,583,074 | |
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Hydrogen cyanide | 462,815 | 462,815 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 121,468 | — | 121,468 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 60,913 | 60,913 | — | — | — | |
| Ammonia | 39,306 | 38,036 | 1,270 | — | — | |
| n-Hexane | 17,849 | 17,846 | 3 | — | — | |
| Toluene | 14,238 | 14,235 | 3 | — | 1,258 | |
| Xylene (mixed isomers) | 10,740 | 10,740 | — | — | 13,181 | |
| Benzene | 10,037 | 10,035 | 2 | — | 1,096 | ♦ Carcinogen |
| Hydrogen sulfide | 6,080 | 6,075 | 5 | — | — | |
| Cyclohexane | 4,160 | 4,157 | 3 | — | — | |
| Carbon disulfide | 3,602 | 3,602 | — | — | 0 | |
| Propylene | 3,152 | 3,152 | — | — | — | |
| Cyanide compounds | 2,861 | 2,861 | — | — | 144 | |
| Ethylbenzene | 2,836 | 2,833 | 3 | — | 593 | ♦ Carcinogen |
| Methanol | 2,116 | 2,113 | 3 | — | — | |
| Tetrachloroethylene | 1,969 | 1,963 | 6 | — | 1 | ♦ Carcinogen |
| Zinc compounds | 1,753 | 15 | 1,738 | — | 11,344 | |
| Carbonyl sulfide | 1,614 | 1,614 | — | — | — | |
| Chlorine | 1,257 | 774 | 483 | — | — | |
| Ethylene glycol | 766 | 6 | 760 | — | — | |
| Antimony compounds | 603 | 106 | 497 | — | — | |
| Ethylene | 551 | 551 | — | — | — | |
| 1,2,4-Trimethylbenzene | 503 | 500 | 3 | — | 170 | |
| Nickel compounds | 464 | 387 | 77 | — | 22,372 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 354 | 354 | — | — | — | |
| n-Butyl alcohol | 199 | 199 | — | — | — | |
| Lead compounds | 198 | 189 | 9 | — | 601 | |
| 1,3-Butadiene | 178 | 178 | — | — | — | ♦ Carcinogen |
| Styrene | 103 | 103 | — | — | 3 | ♦ Carcinogen |
| Naphthalene | 84 | 84 | — | — | 372 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 66 | 66 | — | — | — | ♦ Carcinogen |
| Cumene | 42 | 42 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 37 | — | — | 37 | 2,684 | |
| Phenanthrene | 28 | 28 | — | — | 13 | |
| tert-Butyl alcohol | 18 | 18 | — | — | — | |
| Mercury compounds | 17 | 16 | 1 | — | 12 | |
| Cresol (mixed isomers) | 11 | 11 | — | — | 8 | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 156 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Anthracene | 1 | 1 | — | — | 83 | |
| Hydrogen fluoride | 0 | 0 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vanadium compounds | — | — | — | — | 219,507 | |
| Aluminum oxide (fibrous forms) | — | — | — | — | 8,101,331 | |
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Hydrogen cyanide | 488,482 | 488,482 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 121,807 | — | 121,807 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 63,805 | 63,805 | — | — | — | |
| Ammonia | 36,889 | 36,032 | 857 | — | — | |
| n-Hexane | 15,671 | 15,669 | 2 | — | — | |
| Toluene | 9,090 | 9,088 | 2 | — | 4,645 | |
| Benzene | 8,524 | 8,522 | 2 | — | 2,281 | ♦ Carcinogen |
| Carbon disulfide | 6,231 | 6,231 | — | — | 1 | |
| Xylene (mixed isomers) | 6,180 | 6,180 | — | — | 25,070 | |
| Hydrogen sulfide | 5,926 | 5,921 | 5 | — | — | |
| Cyanide compounds | 3,020 | 3,020 | — | — | 604 | |
| Cyclohexane | 2,812 | 2,810 | 2 | — | — | |
| Propylene | 2,591 | 2,591 | — | — | — | |
| Tetrachloroethylene | 1,968 | 1,963 | 5 | — | — | ♦ Carcinogen |
| Ethylbenzene | 1,624 | 1,622 | 2 | — | 1,553 | ♦ Carcinogen |
| Methanol | 1,568 | 1,566 | 2 | — | — | |
| Chlorine | 1,282 | 818 | 464 | — | — | |
| Carbonyl sulfide | 680 | 680 | — | — | — | |
| Ethylene | 608 | 608 | — | — | — | |
| Ethylene glycol | 586 | 6 | 580 | — | — | |
| Antimony compounds | 541 | 90 | 451 | — | 271 | |
| Nickel compounds | 460 | 387 | 73 | — | 191,616 | ♦ Carcinogen |
| n-Butyl alcohol | 442 | 442 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 377 | 377 | — | — | — | |
| 1,2,4-Trimethylbenzene | 354 | 352 | 2 | — | 245 | |
| Lead compounds | 208 | 199 | 9 | — | 2,504 | |
| 1,3-Butadiene | 189 | 189 | — | — | — | ♦ Carcinogen |
| Styrene | 85 | 85 | — | — | 5 | ♦ Carcinogen |
| Naphthalene | 84 | 84 | — | — | 877 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 58 | 58 | — | — | 472 | ♦ Carcinogen |
| Cumene | 31 | 31 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 26 | 26 | — | — | 257 | |
| Mercury compounds | 17 | 16 | 1 | — | 19 | |
| Cresol (mixed isomers) | 11 | 11 | — | — | 282 | |
| Hydrogen fluoride | 10 | 10 | — | — | — | |
| tert-Butyl alcohol | 8 | 8 | — | — | — | |
| Benzo[g,h,i]perylene | 1 | 1 | — | — | 619 | |
| Anthracene | 1 | 1 | — | — | 260 | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
1,2,4-Trimethylbenzene | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Anthracene | 2 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Lead compounds | — | 44 | — | — |
|
VALERO CORPUS EAST PLANT
, CORPUS CHRISTI, TX
|
Lead compounds | 704 | — | — | — |
|
SAGE ENVIRO TECH
CORPUS CHRISTI, TX
|
Lead compounds | — | 14 | — | — |
|
SAGE ENVIRO TECH
CORPUS CHRISTI, TX
|
Mercury compounds | — | 0 | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Mercury compounds | 0 | — | — | — |
|
VALERO CORPUS EAST PLANT
, CORPUS CHRISTI, TX
|
Mercury compounds | 122 | — | — | — |
|
TM CORPUS CHRISTI SERVICES
CORPUS CHRISTI, TX
|
Xylene (mixed isomers) | — | — | — | 0 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Xylene (mixed isomers) | 0 | — | — | — |
|
DESOTEC (FRM. EVOQUA)
PARKER, AZ
|
Molybdenum trioxide | — | — | — | 0 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Molybdenum trioxide | 3 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Styrene | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Naphthalene | 5 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Phenanthrene | 6 | — | — | — |
|
DESOTEC (FRM. EVOQUA)
PARKER, AZ
|
Benzene | — | — | — | 86 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Benzene | 2 | — | — | — |
|
TM CORPUS CHRISTI SERVICES
CORPUS CHRISTI, TX
|
Benzene | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Benzo[g,h,i]perylene | 13 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Carbon disulfide | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Nickel compounds | — | 54 | — | — |
|
SAGE ENVIRO TECH
CORPUS CHRISTI, TX
|
Nickel compounds | — | 46 | — | — |
|
TM CORPUS CHRISTI SERVICES
CORPUS CHRISTI, TX
|
Nickel compounds | 0 | — | — | — |
|
VALERO CORPUS EAST PLANT
, CORPUS CHRISTI, TX
|
Nickel compounds | 948 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Toluene | 1 | — | — | — |
|
TM CORPUS CHRISTI SERVICES
CORPUS CHRISTI, TX
|
Toluene | 0 | — | — | — |
|
DESOTEC (FRM. EVOQUA)
PARKER, AZ
|
Toluene | — | — | — | 11 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Ethylbenzene | — | — | — | 0 |
|
DESOTEC (FRM. EVOQUA)
PARKER, AZ
|
Ethylbenzene | — | — | — | 1 |
|
TM CORPUS CHRISTI SERVICES
CORPUS CHRISTI, TX
|
Ethylbenzene | 0 | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | — | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | — | — | — | Open |
| caa | FRV | Oct 22, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 24, 2025 | Aug 29, 2025 | Resolved |
| caa | FRV | Feb 28, 2025 | — | Open |
| caa | FRV | Jun 17, 2024 | — | Open |
| caa | FRV | Oct 4, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 7, 2023 | Dec 15, 2023 | Resolved |
| cwa | Schedule Event reported late | Aug 7, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 7, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 7, 2023 | Dec 15, 2023 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | May 15, 2023 | Jun 24, 2025 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jan 20, 2023 | Mar 15, 2023 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jan 20, 2023 | Mar 15, 2023 | Resolved |
| caa | FRV | Aug 18, 2022 | — | Open |
| caa | HPV | Aug 25, 2021 | Apr 10, 2023 | Resolved |
| caa | FRV | Dec 16, 2020 | — | Open |
| caa | FRV | Sep 3, 2020 | — | Open |
| caa | HPV | Aug 31, 2020 | Aug 24, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2020 | — | Open |
| caa | FRV | Jun 15, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2020 | — | Open |
| caa | FRV | Oct 22, 2019 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 14, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2019 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Oil & Grease | DMR, Limited - Numeric Violation | 37.30 mg/L | 15.00 | +149% | May 2025 | Open |
| Fluoride, total [as F] | DMR, Limited - Overdue | 32.90 mg/L | 26.60 | +24% | Jan 2025 | Resolved |
| Fluoride, total [as F] | DMR, Limited - Numeric Violation | 32.90 mg/L | 26.60 | +24% | Jan 2025 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 245.50 mg/L | 200.00 | +23% | Jun 2024 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 323.00 mg/L | 200.00 | +62% | Mar 2024 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 210.00 mg/L | 200.00 | +5% | Jun 2023 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 148.00 mg/L | 15.00 | +887% | May 2023 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 1,060.00 mg/L | 200.00 | +430% | Feb 2023 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 316.00 mg/L | 200.00 | +58% | Jan 2023 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 305.00 mg/L | 200.00 | +53% | Dec 2022 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 449.00 mg/L | 200.00 | +125% | Nov 2022 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 564.00 mg/L | 200.00 | +182% | Oct 2022 | Resolved |
| Cyanide, free [as free] | DMR, Limited - Numeric Violation | 0.18 kg/d | 0.17 | +9% | Oct 2022 | Open |
| Cyanide, free [as free] | DMR, Limited - Overdue | 0.18 kg/d | 0.17 | +9% | Oct 2022 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 1,410.00 mg/L | 200.00 | +605% | Sep 2022 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 1,390.00 mg/L | 200.00 | +595% | Aug 2022 | Resolved |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 236.00 mg/L | 200.00 | +18% | May 2022 | Resolved |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 2.57 kg/d | 0.17 | +1,427% | Oct 2021 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.79 kg/d | 0.08 | +861% | Oct 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.00 mg/L | 1.00 | +100% | Feb 2021 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 57.50 MPN/100mL | 35.00 | +64% | Nov 2020 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 151.20 MPN/100mL | 89.00 | +70% | Oct 2020 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 23.00 mg/L | 15.00 | +53% | May 2020 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 49.90 mg/L | 15.00 | +233% | May 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,389.24 kg/d | 990.63 | +40% | Mar 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 663.25 kg/d | 626.97 | +6% | Mar 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,894.68 kg/d | 990.63 | +91% | Jan 2020 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 122.20 MPN/100mL | 89.00 | +37% | Nov 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.20 mg/L | 15.00 | +15% | May 2019 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 137.00 deg F | 110.00 | +25% | Apr 2019 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Overdue | 137.00 deg F | 110.00 | +25% | Apr 2019 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 191.80 MPN/100mL | 89.00 | +116% | Jan 2019 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 770.40 MPN/100mL | 89.00 | +766% | Nov 2018 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.00 mg/L | 15.00 | +13% | Sep 2018 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 22.90 mg/L | 15.00 | +53% | Aug 2018 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 113.00 deg F | 110.00 | +3% | Jul 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 2.94 MGD | 2.79 | +5% | Jun 2018 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 89.00 | +2,619% | Feb 2018 | Open |
| Enterococci | DMR, Limited - Overdue | 2,419.60 MPN/100mL | 89.00 | +2,619% | Feb 2018 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 1,310.00 MPN/100mL | 89.00 | +1,372% | Jan 2018 | Open |
| Enterococci | DMR, Limited - Overdue | 1,310.00 MPN/100mL | 89.00 | +1,372% | Jan 2018 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 18.60 mg/L | 15.00 | +24% | Apr 2017 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 736.00 mg/L | 200.00 | +268% | Mar 2017 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 247.00 mg/L | 200.00 | +24% | Dec 2016 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 242.00 mg/L | 200.00 | +21% | Dec 2016 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 241.00 mg/L | 200.00 | +21% | Dec 2016 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 317.00 mg/L | 200.00 | +59% | Aug 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 5.20 mg/L | 5.00 | +4% | Jun 2016 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 21.90 mg/L | 15.00 | +46% | May 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 2.88 MGD | 2.79 | +3% | May 2016 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.