Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
NALCO WATER FRESNO TEXAS FACILITY
Quick Summary
- •Released 1,409 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 $289,240 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
3130 FM 521
FRESNO, TX 77545
View on map ↗ - County
- FORT BEND County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 4 · last Feb 23, 2026
- Total Penalties
- $289,240 · last Aug 13, 2025
- Registry ID
- 110000463454
How This Compares
#867
of 1,879 TRI reporters in TX
#6,681
of 16,877 TRI reporters in Manufacturing
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
9
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
12
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
+42% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,860 | — |
| 2016 | 2,218 | +19% |
| 2017 | 1,409 | -36% |
| 2018 | 2,014 | +43% |
| 2019 | 452 | -78% |
| 2020 | 895 | +98% |
| 2021 | 1,383 | +54% |
| 2022 | 2,832 | +105% |
| 2023 | 2,640 | -7% |
| 2024 | 2,648 | 0% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | — | — | — | — | 759 | |
| Nitrilotriacetic acid | — | — | — | — | 1,520 | ♦ Carcinogen |
| Hydroquinone | — | — | — | — | — | |
| Methanol | 955 | 955 | — | — | 1,187,256 | |
| Ethylbenzene | 307 | 307 | — | — | 18 | ♦ Carcinogen |
| Xylene (mixed isomers) | 300 | 300 | — | — | 500 | |
| 1,2,4-Trimethylbenzene | 287 | 287 | — | — | 88,577 | |
| Nonylphenol | 219 | 219 | — | — | — | |
| Toluene | 153 | 153 | — | — | 144 | |
| Propylene oxide | 142 | 142 | — | — | — | ♦ Carcinogen |
| Vinyl acetate | 84 | 84 | — | — | 800 | ♦ Carcinogen |
| Ethylene oxide | 74 | 74 | — | — | — | ♦ Carcinogen |
| Naphthalene | 58 | 58 | — | — | 178,088 | ♦ Carcinogen |
| Ethylene glycol | 17 | 17 | — | — | 793 | |
| n-Butyl alcohol | 15 | 15 | — | — | 732 | |
| Formaldehyde | 15 | 15 | — | — | — | ♦ Carcinogen |
| Certain glycol ethers | 12 | 12 | — | — | 395 | |
| Ammonia | 7 | 7 | — | — | 5 | |
| Nonylphenol Ethoxylates | 1 | 1 | — | — | — | |
| Dimethyl phthalate | 1 | 1 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1 | 1 | — | — | — | |
| Diethanolamine | 0 | 0 | — | — | 5 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc compounds | — | — | — | — | 11,555 | |
| Ethylene glycol | 623 | 623 | — | — | 4,568 | |
| Propylene oxide | 304 | 304 | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 239 | 239 | — | — | 21,240 | |
| 1,2,4-Trimethylbenzene | 235 | 235 | — | — | 65,449 | |
| Nonylphenol | 212 | 212 | — | — | 700 | |
| Certain glycol ethers | 193 | 193 | — | — | — | |
| Methanol | 164 | 164 | — | — | 36,324 | |
| Vinyl acetate | 156 | 156 | — | — | — | ♦ Carcinogen |
| Toluene | 132 | 132 | — | — | 254 | |
| Ethylbenzene | 116 | 116 | — | — | 20,226 | ♦ Carcinogen |
| Ethylene oxide | 104 | 104 | — | — | — | ♦ Carcinogen |
| Naphthalene | 54 | 54 | — | — | 244,364 | ♦ Carcinogen |
| Hydroquinone | 27 | 27 | — | — | 350 | |
| Nonylphenol Ethoxylates | 23 | 23 | — | — | — | |
| n-Butyl alcohol | 18 | 18 | — | — | — | |
| Formaldehyde | 12 | 12 | — | — | 7,265 | ♦ Carcinogen |
| Dimethyl phthalate | 11 | 11 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 9 | 9 | — | — | — | |
| Ammonia | 7 | 7 | — | — | 212 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | 20,134 | |
| Xylene (mixed isomers) | 966 | 966 | — | — | 49,380 | |
| Certain glycol ethers | 227 | 227 | — | — | — | |
| Ethylbenzene | 219 | 219 | — | — | 14,413 | ♦ Carcinogen |
| Vinyl acetate | 218 | 218 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 200 | 200 | — | — | 212,560 | |
| Toluene | 199 | 199 | — | — | 3,659 | |
| Naphthalene | 195 | 195 | — | — | 223,945 | ♦ Carcinogen |
| Methanol | 139 | 139 | — | — | 135,259 | |
| Propylene oxide | 139 | 139 | — | — | — | ♦ Carcinogen |
| Nonylphenol | 116 | 116 | — | — | — | |
| Ethylene oxide | 75 | 75 | — | — | — | ♦ Carcinogen |
| Hydroquinone | 28 | 28 | — | — | — | |
| Dimethyl phthalate | 25 | 25 | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 19 | 19 | — | — | — | |
| Zinc compounds | 17 | 17 | — | — | — | |
| N-Methyl-2-pyrrolidone | 15 | 15 | — | — | — | |
| N,N-Dimethylformamide | 13 | 13 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 10 | 10 | — | — | 39,040 | ♦ Carcinogen |
| n-Butyl alcohol | 8 | 8 | — | — | 1,960 | |
| Nonylphenol Ethoxylates | 4 | 4 | — | — | — | |
| Ethylene glycol | 0 | 0 | — | — | 53,165 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nonylphenol | — | — | — | — | 378,427 | |
| Ammonia | — | — | — | — | 203 | |
| Xylene (mixed isomers) | 611 | 611 | — | — | 190,332 | |
| Toluene | 126 | 126 | — | — | 21,784 | |
| Naphthalene | 123 | 123 | — | — | 132,756 | ♦ Carcinogen |
| Vinyl acetate | 119 | 119 | — | — | 18,854 | ♦ Carcinogen |
| Methanol | 88 | 88 | — | — | 277,814 | |
| Propylene oxide | 88 | 88 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 82 | 82 | — | — | 68,062 | ♦ Carcinogen |
| Ethylene oxide | 77 | 77 | — | — | — | ♦ Carcinogen |
| Nonylphenol Ethoxylates | 16 | 16 | — | — | 24,310 | |
| Hydroquinone | 14 | 14 | — | — | 57,929 | |
| Formaldehyde | 10 | 10 | — | — | 39,515 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 9 | 9 | — | — | 76,102 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 6 | 6 | — | — | 17,031 | |
| n-Butyl alcohol | 6 | 6 | — | — | 12,031 | |
| Dimethyl phthalate | 5 | 5 | — | — | 14,799 | |
| Zinc compounds | 3 | 3 | — | — | 10,932 | |
| Ethylene glycol | 0 | 0 | — | — | 78,974 | |
| Certain glycol ethers | 0 | 0 | — | — | 594,679 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Thiourea | — | — | — | — | — | ♦ Carcinogen |
| Acetophenone | — | — | — | — | 26,171 | |
| Acrylic acid | — | — | — | — | — | |
| Formic acid | — | — | — | — | — | |
| Nonylphenol | — | — | — | — | 29,432 | |
| 2-Methylpyridine | — | — | — | — | — | |
| Acetaldehyde | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | — | — | — | — | 22,056 | |
| Maleic anhydride | — | — | — | — | — | |
| Zinc compounds | — | — | — | — | — | |
| Nonylphenol Ethoxylates | — | — | — | — | — | |
| Xylene (mixed isomers) | 328 | 328 | — | — | 537,854 | |
| Propylene oxide | 139 | 139 | — | — | — | ♦ Carcinogen |
| Cumene | 110 | 110 | — | — | 2,725 | ♦ Carcinogen |
| Ethylene oxide | 108 | 108 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 82 | 82 | — | — | 478,850 | ♦ Carcinogen |
| Methanol | 60 | 60 | — | — | 3,577,686 | |
| n-Butyl alcohol | 41 | 41 | — | — | — | |
| Toluene | 16 | 16 | — | — | 539,977 | |
| 1,2,4-Trimethylbenzene | 9 | 9 | — | — | 107,820 | |
| Formaldehyde | 2 | 2 | — | — | 120,911 | ♦ Carcinogen |
| Naphthalene | 1 | 1 | — | — | 586,618 | ♦ Carcinogen |
| Certain glycol ethers | 0 | 0 | — | — | 77,298 | |
| Ethylene glycol | 0 | 0 | — | — | 713,193 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | — | — | — | — | — | ♦ Carcinogen |
| Nonylphenol Ethoxylates | — | — | — | — | — | |
| Ammonia | — | — | — | — | 12,315 | |
| Nonylphenol | — | — | — | — | 22,392 | |
| Cumene | 251 | 251 | — | — | 3,430 | ♦ Carcinogen |
| Propylene oxide | 149 | 149 | — | — | — | ♦ Carcinogen |
| n-Butyl alcohol | 51 | 51 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | — | — | — | — | — | |
| Acrylic acid | — | — | — | — | — | |
| 2-Methylpyridine | — | — | — | — | — | |
| Acetophenone | — | — | — | — | 10,714 | |
| Formic acid | — | — | — | — | — | |
| Zinc compounds | — | — | — | — | 368 | |
| Ammonia | — | — | — | — | 10,099 | |
| Nonylphenol | — | — | — | — | 29,348 | |
| Thiourea | — | — | — | — | 2,152 | ♦ Carcinogen |
| Methanol | 582 | 582 | — | — | 1,451,584 | |
| Xylene (mixed isomers) | 567 | 567 | — | — | 529,244 | |
| Ethylene oxide | 219 | 219 | — | — | — | ♦ Carcinogen |
| Cumene | 194 | 194 | — | — | 5,790 | ♦ Carcinogen |
| Propylene oxide | 171 | 171 | — | — | — | ♦ Carcinogen |
| Toluene | 153 | 153 | — | — | 373,609 | |
| Ethylbenzene | 75 | 75 | — | — | 329,694 | ♦ Carcinogen |
| n-Butyl alcohol | 35 | 35 | — | — | — | |
| 1,2,4-Trimethylbenzene | 9 | 9 | — | — | 193,376 | |
| Formaldehyde | 8 | 8 | — | — | 136,144 | ♦ Carcinogen |
| Naphthalene | 1 | 1 | — | — | 391,065 | ♦ Carcinogen |
| Ethylene glycol | 1 | 1 | — | — | 298,216 | |
| Certain glycol ethers | 0 | 0 | — | — | 49,777 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| 2-Methylpyridine | — | — | — | — | — | |
| Acetophenone | — | — | — | — | 11,592 | |
| n-Butyl alcohol | — | — | — | — | 16 | |
| Nonylphenol | — | — | — | — | 87,645 | |
| Ethylene glycol | — | — | — | — | 367,651 | |
| Certain glycol ethers | — | — | — | — | 53,299 | |
| Maleic anhydride | — | — | — | — | — | |
| Ammonia | — | — | — | — | 12,675 | |
| 1,2,4-Trimethylbenzene | — | — | — | — | 233,291 | |
| Acrylic acid | — | — | — | — | — | |
| Thiourea | — | — | — | — | 2,990 | ♦ Carcinogen |
| Toluene | 340 | 340 | — | — | 414,074 | |
| Xylene (mixed isomers) | 295 | 295 | — | — | 648,270 | |
| Naphthalene | 231 | 231 | — | — | 430,991 | ♦ Carcinogen |
| Methanol | 201 | 201 | — | — | 1,834,886 | |
| Cumene | 194 | 194 | — | — | 12,431 | ♦ Carcinogen |
| Propylene oxide | 49 | 49 | — | — | — | ♦ Carcinogen |
| Ethylene oxide | 44 | 44 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 42 | 42 | — | — | 412,479 | ♦ Carcinogen |
| Formaldehyde | 8 | 8 | — | — | 133,040 | ♦ Carcinogen |
| Zinc compounds | 5 | — | 5 | — | 516 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | — | — | — | — | — | |
| Ammonia | — | — | — | — | 11,197 | |
| Nonylphenol | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | 440,886 | |
| Copper compounds | — | — | — | — | 244,600 | |
| Ethylene glycol | — | — | — | — | 481,997 | |
| Acetophenone | — | — | — | — | 11,376 | |
| 1,2,4-Trimethylbenzene | — | — | — | — | 186,208 | |
| n-Butyl alcohol | — | — | — | — | — | |
| Zinc compounds | — | — | — | — | 815,336 | |
| Acrylic acid | — | — | — | — | — | |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 553 | 553 | — | — | 581,254 | |
| Propylene oxide | 430 | 430 | — | — | — | ♦ Carcinogen |
| Methanol | 397 | 397 | — | — | 2,206,496 | |
| Toluene | 365 | 365 | — | — | 469,502 | |
| Ethylene oxide | 313 | 313 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 102 | 102 | — | — | 1,343,817 | ♦ Carcinogen |
| Naphthalene | 58 | 58 | — | — | 684,560 | ♦ Carcinogen |
| Formaldehyde | 0 | 0 | — | — | 77,205 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acrylic acid | — | — | — | — | — | |
| Maleic anhydride | — | — | — | — | — | |
| Ammonia | — | — | — | — | — | |
| n-Butyl alcohol | — | — | — | — | 15 | |
| Acetophenone | — | — | — | — | 6,045 | |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | — | — | — | — | 168,103 | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Nonylphenol | — | — | — | — | — | |
| 2-Methylpyridine | — | — | — | — | — | |
| Methanol | 487 | 487 | — | — | 3,502,202 | |
| Xylene (mixed isomers) | 425 | 425 | — | — | 796,276 | |
| Certain glycol ethers | 351 | 351 | — | — | 687,454 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 333 | 333 | — | — | — | |
| Toluene | 115 | 115 | — | — | 682,272 | |
| Naphthalene | 79 | 79 | — | — | 813,234 | ♦ Carcinogen |
| Ethylbenzene | 44 | 44 | — | — | 787,716 | ♦ Carcinogen |
| Formaldehyde | 21 | 21 | — | — | 173,396 | ♦ Carcinogen |
| Propylene oxide | 2 | 2 | — | — | — | ♦ Carcinogen |
| Ethylene oxide | 1 | 1 | — | — | — | ♦ Carcinogen |
| Ethylene glycol | 0 | 0 | — | — | 3,342,127 |
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.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Naphthalene | — | — | 44,116 | 56,686 |
| Toluene | — | — | 144 | — |
| Diethanolamine | — | — | — | 5 |
| 1,2,4-Trimethylbenzene | — | — | 2,834 | 36,279 |
| Certain glycol ethers | — | — | 395 | — |
| Ethylene glycol | — | — | 793 | — |
| n-Butyl alcohol | — | — | 732 | — |
| Methanol | — | — | 294,104 | 377,904 |
| Xylene (mixed isomers) | — | — | — | 500 |
| Ethylbenzene | — | — | 4 | 6 |
| Nitrilotriacetic acid | — | — | — | 1,520 |
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 |
|---|---|---|---|---|---|
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
Xylene (mixed isomers) | — | — | — | 250 |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Xylene (mixed isomers) | — | — | — | 250 |
|
INTERGULF
PASADENA, TX
|
Ammonia | 5 | — | — | — |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Ethylene glycol | — | — | 793 | — |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Certain glycol ethers | — | — | 395 | — |
|
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
|
Diethanolamine | — | — | — | 5 |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Nitrilotriacetic acid | — | — | — | 1,520 |
|
ASH GROVE CEMENT COMPANY
FOREMAN, AR
|
Naphthalene | — | — | 44,116 | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Naphthalene | — | — | — | 3,288 |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
Naphthalene | — | — | — | 53,398 |
|
LONESTAR ECOLOGY
PASADENA, TX
|
Naphthalene | 77,287 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
n-Butyl alcohol | — | — | 732 | — |
|
ASH GROVE CEMENT COMPANY
FOREMAN, AR
|
Methanol | — | — | 294,104 | — |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
Methanol | — | — | — | 355,984 |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Methanol | — | — | — | 21,920 |
|
LONESTAR ECOLOGY
PASADENA, TX
|
Methanol | 515,248 | — | — | — |
|
ASH GROVE CEMENT COMPANY
FOREMAN, AR
|
1,2,4-Trimethylbenzene | — | — | 2,834 | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
1,2,4-Trimethylbenzene | — | — | — | 2,104 |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
1,2,4-Trimethylbenzene | — | — | — | 34,174 |
|
LONESTAR ECOLOGY
PASADENA, TX
|
1,2,4-Trimethylbenzene | 49,464 | — | — | — |
|
ASH GROVE CEMENT COMPANY
FOREMAN, AR
|
Ethylbenzene | — | — | 4 | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Ethylbenzene | — | — | — | 0 |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
Ethylbenzene | — | — | — | 5 |
|
LONESTAR ECOLOGY
PASADENA, TX
|
Ethylbenzene | 8 | — | — | — |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Toluene | — | — | 144 | — |
|
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
|
Vinyl acetate | — | — | — | 800 |
|
WASTE MANAGEMENT OF TEXAS INC - COASTAL PLAINS RECYCLING & D
ALVIN, TX
|
Zinc compounds | 759 | — | — | — |
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 | Linked to Viol. Below | — | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 21, 2025 | Mar 22, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 22, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 22, 2024 | Aug 15, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 22, 2024 | Aug 27, 2024 | Resolved |
| cwa | Schedule Event reported late | Apr 22, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 15, 2024 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2023 | Feb 9, 2024 | Resolved |
| cwa | Schedule Event unachieved but reported | Oct 15, 2023 | Feb 9, 2024 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 15, 2023 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2023 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 2, 2022 | Sep 9, 2022 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Sep 2, 2022 | Sep 9, 2022 | Resolved |
| rcra | Standards for Used Oil: Generators | Sep 2, 2022 | Sep 9, 2022 | Resolved |
| cwa | Schedule Event reported late | Jul 15, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2022 | Aug 25, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 15, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 15, 2022 | Aug 25, 2022 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2022 | Apr 6, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2022 | Apr 5, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 15, 2021 | Oct 7, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 15, 2021 | Oct 14, 2021 | Resolved |
| cwa | Schedule Event reported late | Jul 15, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 15, 2021 | — | Open |
| caa | FRV | Jun 21, 2019 | — | Open |
| caa | FRV | Jan 27, 2017 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jan 12, 2017 | Jan 26, 2017 | Resolved |
| rcra | Standards for Used Oil: Generators | Jan 12, 2017 | Jan 31, 2017 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jan 12, 2017 | Feb 9, 2017 | Resolved |
| rcra | Land Disposal Restrictions: Prohibitions on Storage | Jan 12, 2017 | Feb 10, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jan 12, 2017 | Jan 31, 2017 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jan 12, 2017 | Jan 30, 2017 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Jan 12, 2017 | Feb 10, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 12, 2017 | Jan 30, 2017 | Resolved |
| caa | FRV | Aug 31, 2016 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Land Disposal Restrictions: General | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Standards for Used Oil: Generators | Oct 27, 2011 | Nov 15, 2011 | Resolved |
| rcra | Land Disposal Restrictions: General | Jun 29, 2005 | Jul 13, 2005 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 29, 2005 | Jul 14, 2005 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Jun 29, 2005 | Apr 29, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 29, 2005 | Apr 29, 2024 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.52 mg/L | 0.50 | +4% | Aug 2025 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.26 mg/L | 0.20 | +30% | Aug 2025 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.03 | +44% | Jul 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.03 | +40% | Jun 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.16 mg/L | 45.00 | +7% | Apr 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 198.39 mg/L | 95.00 | +109% | Apr 2025 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.33 mg/L | 0.20 | +65% | Apr 2025 | Resolved |
| Chlorine, free available | DMR, Limited - Numeric Violation | 1.04 mg/L | 0.20 | +420% | Mar 2025 | Resolved |
| Chlorine, free available | DMR, Limited - Numeric Violation | 2.20 mg/L | 0.50 | +340% | Mar 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.03 MGD | 0.03 | +28% | Dec 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.02 MGD | 0.02 | +7% | Nov 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,440.00 MPN/100mL | 200.00 | +620% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 367.00 MPN/100mL | 126.00 | +191% | Jul 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +84% | Sep 2023 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.31 mg/L | 0.20 | +55% | Aug 2023 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.82 mg/L | 0.50 | +64% | Aug 2023 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.26 mg/L | 0.20 | +30% | Mar 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 271.00 MPN/100mL | 200.00 | +36% | Mar 2023 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.03 | +64% | Jan 2023 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 1.21 mg/L | 0.50 | +142% | Nov 2022 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.42 mg/L | 0.20 | +110% | Nov 2022 | Resolved |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.57 mg/L | 0.20 | +186% | Oct 2022 | Resolved |
| Chlorine, free available | DMR, Limited - Numeric Violation | 2.20 mg/L | 0.50 | +340% | Oct 2022 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.76 mg/L | 0.50 | +52% | Jun 2022 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.24 mg/L | 0.20 | +20% | Jun 2022 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.30 mg/L | 0.16 | +90% | May 2019 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.07 | +19% | May 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.42 mg/L | 0.16 | +166% | Apr 2019 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.21 mg/L | 1.13 | +7% | Apr 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.07 | +104% | Apr 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.17 mg/L | 0.16 | +6% | Mar 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.07 | +4% | Feb 2019 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 1.13 mg/L | 0.50 | +126% | Jan 2019 | Resolved |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.26 mg/L | 0.20 | +30% | Jan 2019 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.88 mg/L | 0.50 | +75% | Oct 2018 | Resolved |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.20 | +13% | Oct 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.05 MGD | 0.03 | +94% | Aug 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 200.00 | +1,110% | Jan 2018 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.07 | +15% | Jan 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.04 MGD | 0.03 | +53% | Nov 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 77.38 mg/L | 45.00 | +72% | Apr 2015 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.07 | +64% | Apr 2015 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.03 MGD | 0.03 | +32% | Jan 2015 | 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.
State CWA Penalty AO
Clean Water Act
· Case TX-2023-0683-IWD-E · Aug 13, 2025
$34,200
Administrative - Formal
· Case 06-2024-0918 · Feb 26, 2024
$127,520
SINGLE SITE CA/FO
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-001 · Feb 26, 2024
$127,520
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-8 · Sep 26, 2022
Administrative - Formal
Clean Air Act
· Case 3601918614 · May 5, 2020
$6,545
Administrative - Formal
Clean Air Act
· Case 3601761863 · Apr 26, 2019
$34,425
Administrative - Formal
Clean Air Act
· Case 3601760734 · Jul 27, 2017
$21,750
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-7 · Jan 12, 2017
Administrative - Formal
· Case 06-2012-3546 · Apr 25, 2012
$300
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-6 · Dec 16, 2011
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-5 · Nov 1, 2011
State CWA Penalty AO
Clean Water Act
· Case TX-2010-0570-IWD-E · Oct 25, 2010
$11,250
Administrative - Formal
· Case 06-2010-3568 · May 27, 2010
$1,000
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-4 · Apr 29, 2006
$50,740
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-3 · Nov 16, 2005
REFERRAL TO ESC ENFORCEMENT SCREEN COMM.
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-2 · Sep 7, 2005
LETTER OF INTENT TO INITIATE ENFORCEMENT ACTION
RCRA (Hazardous Waste)
· Case RCRA-TXD000356816-1 · Aug 12, 2005
Administrative - Formal
· Case 06-2005-3502 · Feb 10, 2005
$735
Other facilities in FORT BEND County, TX
HULL PROPERTY
ROSENBERG, TX
ESPERANZA
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FORT BEND COUNTY MUD 66-PLANT
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KATY BOAT WALK
KATY, TX