Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
HUNTSMAN PETROCHEMICAL LLC - CONROE PLANT
Quick Summary
- •Released 43,772 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 $339,351 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
5451 JEFFERSON CHEMICAL ROAD
CONROE, TX 77301
View on map ↗ - County
- MONTGOMERY County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 6 · last Feb 21, 2026
- Total Penalties
- $339,351 · last May 27, 2025
- Registry ID
- 110000748095
How This Compares
#245
of 1,879 TRI reporters in TX
#1,820
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.
9
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
6
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
5
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)
-58% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 52,847 | — |
| 2016 | 40,674 | -23% |
| 2017 | 43,772 | +8% |
| 2018 | 43,484 | -1% |
| 2019 | 1,742 | -96% |
| 2020 | 44,506 | +2455% |
| 2021 | 36,667 | -18% |
| 2022 | 39,269 | +7% |
| 2023 | 29,627 | -25% |
| 2024 | 22,107 | -25% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Nonylphenol | — | — | — | — | 1,595 | |
| Ammonia | 15,820 | 15,772 | 48 | — | 530,131 | |
| Cyclohexane | 2,131 | 2,131 | — | — | 9,942 | |
| Methanol | 2,019 | 2,019 | — | — | 4,611 | |
| Dimethylamine | 1,389 | 1,389 | — | — | 46,396 | |
| Diethanolamine | 304 | 304 | — | — | 385 | |
| Ethylene oxide | 141 | 141 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 99 | 99 | — | — | — | ♦ Carcinogen |
| Propylene oxide | 97 | 97 | — | — | — | ♦ Carcinogen |
| Ethylene glycol | 38 | 38 | — | — | 261 | |
| Acrylonitrile | 35 | 34 | 1 | — | — | ♦ Carcinogen |
| Nickel | 19 | — | 19 | — | 656 | ♦ Carcinogen |
| 1,2-Butylene oxide | 12 | 12 | — | — | — | ♦ Carcinogen |
| N-Hydroxyethylethylenediamine | 3 | 3 | — | — | 4,321 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| 1,2-Butylene oxide | — | — | — | — | — | ♦ Carcinogen |
| Diethanolamine | — | — | — | — | — | |
| Acrylonitrile | — | — | — | — | — | ♦ Carcinogen |
| Certain glycol ethers | — | — | — | — | — | |
| Nonylphenol | — | — | — | — | — | |
| Ammonia | 21,564 | 21,547 | 17 | — | 454,536 | |
| Methanol | 2,355 | 2,355 | — | — | 28,072 | |
| Cyclohexane | 2,152 | 2,152 | — | — | — | |
| Ethylene oxide | 1,667 | 1,667 | — | — | 10,263 | ♦ Carcinogen |
| Dimethylamine | 1,192 | 1,192 | — | — | — | |
| Propylene oxide | 512 | 512 | — | — | 10,263 | ♦ Carcinogen |
| Formaldehyde | 106 | 106 | — | — | 990 | ♦ Carcinogen |
| Ethylene glycol | 40 | 40 | — | — | 32,624 | |
| Nickel | 24 | — | 24 | — | 1,179 | ♦ Carcinogen |
| N-Hydroxyethylethylenediamine | 15 | 15 | — | — | 19,226 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | — | |
| Ammonia | 30,687 | 30,650 | 37 | — | 262,834 | |
| Cyclohexane | 2,644 | 2,644 | — | — | 4,245 | |
| Methanol | 2,409 | 2,409 | — | — | 1,060 | |
| Dimethylamine | 1,442 | 1,442 | — | — | 52 | |
| Ethylene oxide | 1,181 | 1,181 | — | — | — | ♦ Carcinogen |
| Propylene oxide | 438 | 438 | — | — | — | ♦ Carcinogen |
| Ethylene glycol | 147 | 147 | — | — | — | |
| Formaldehyde | 99 | 99 | — | — | 220 | ♦ Carcinogen |
| Nonylphenol | 98 | 98 | — | — | — | |
| Acrylonitrile | 52 | 49 | 3 | — | 2,906 | ♦ Carcinogen |
| 1,2-Butylene oxide | 48 | 48 | — | — | — | ♦ Carcinogen |
| Nickel | 24 | — | 24 | — | 53,358 | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | — | |
| Ammonia | 26,344 | 26,315 | 29 | — | 273,234 | |
| Methanol | 2,469 | 2,469 | — | — | 5,448 | |
| Cyclohexane | 1,724 | 1,724 | — | — | — | |
| Ethylene glycol | 1,664 | 1,664 | — | — | 306 | |
| Ethylene oxide | 1,523 | 1,523 | — | — | 114 | ♦ Carcinogen |
| Dimethylamine | 1,504 | 1,504 | — | — | 1,409 | |
| Propylene oxide | 1,027 | 1,027 | — | — | — | ♦ Carcinogen |
| Acrylonitrile | 136 | 136 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 123 | 123 | — | — | 0 | ♦ Carcinogen |
| Nonylphenol | 97 | 97 | — | — | 440 | |
| 1,2-Butylene oxide | 37 | 37 | — | — | — | ♦ Carcinogen |
| Nickel | 19 | — | 19 | — | 80,985 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diethanolamine | — | — | — | — | — | |
| 2-Methoxyethanol | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Ammonia | 27,482 | 27,460 | 22 | — | 333,894 | |
| Cyclohexane | 4,890 | 4,890 | — | — | — | |
| Ethylene oxide | 4,030 | 4,030 | — | — | — | ♦ Carcinogen |
| Ethylene glycol | 2,517 | 2,517 | — | — | 31,798 | |
| Methanol | 2,115 | 2,115 | — | — | 6,900 | |
| Dimethylamine | 1,557 | 1,557 | — | — | — | |
| Propylene oxide | 1,314 | 1,314 | — | — | — | ♦ Carcinogen |
| 1,2-Butylene oxide | 290 | 290 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 127 | 127 | — | — | 720 | ♦ Carcinogen |
| Nonylphenol | 101 | 101 | — | — | 400 | |
| Acrylonitrile | 67 | 67 | — | — | — | ♦ Carcinogen |
| Nickel | 16 | — | 16 | — | 14,741 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| 2-Methoxyethanol | — | — | — | — | — | |
| Dimethylamine | 1,643 | 1,643 | — | — | — | |
| Nonylphenol | 99 | 99 | — | — | 4,500 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Triethylamine | — | — | — | — | — | |
| 2-Methoxyethanol | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | 11,880 | |
| Certain glycol ethers | — | — | — | — | 1,728 | |
| Ammonia | 25,627 | 25,573 | 54 | — | 490,008 | |
| Ethylene oxide | 4,633 | 4,633 | — | — | — | ♦ Carcinogen |
| Dimethylamine | 3,808 | 3,808 | — | — | 8,726 | |
| Methanol | 2,972 | 2,972 | — | — | 136,970 | |
| Ethylene glycol | 2,900 | 2,900 | — | — | 82,776 | |
| Cyclohexane | 1,968 | 1,968 | — | — | 10,665 | |
| Propylene oxide | 979 | 979 | — | — | — | ♦ Carcinogen |
| 1,2-Butylene oxide | 223 | 223 | — | — | — | ♦ Carcinogen |
| Acrylonitrile | 122 | 122 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 111 | 111 | — | — | — | ♦ Carcinogen |
| Nonylphenol | 104 | 104 | — | — | 3,150 | |
| Nickel | 37 | — | 37 | — | 73,998 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Butyl alcohol | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | 4,362 | |
| Ammonia | 24,385 | 24,374 | 11 | — | 401,416 | |
| Ethylene oxide | 5,233 | 5,233 | — | — | — | ♦ Carcinogen |
| Dimethylamine | 3,402 | 3,402 | — | — | 6,984 | |
| Cyclohexane | 3,380 | 3,380 | — | — | 8,536 | |
| Ethylene glycol | 2,922 | 2,922 | — | — | 40,499 | |
| Methanol | 2,673 | 2,673 | — | — | 7,400 | |
| Propylene oxide | 1,009 | 1,009 | — | — | — | ♦ Carcinogen |
| 1,2-Butylene oxide | 352 | 352 | — | — | — | ♦ Carcinogen |
| Nonylphenol | 139 | 139 | — | — | 2,000 | |
| Acrylonitrile | 129 | 129 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 119 | 119 | — | — | — | ♦ Carcinogen |
| Nickel | 29 | — | 29 | — | 14,518 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diethanolamine | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Ammonia | 20,254 | 20,237 | 17 | — | 389,054 | |
| Ethylene oxide | 5,233 | 5,233 | — | — | — | ♦ Carcinogen |
| Methanol | 4,363 | 4,363 | — | — | 11,219 | |
| Dimethylamine | 3,492 | 3,492 | — | — | 5,072 | |
| Ethylene glycol | 2,928 | 2,928 | — | — | 37,982 | |
| Cyclohexane | 2,429 | 2,429 | — | — | 8,368 | |
| Propylene oxide | 1,151 | 1,151 | — | — | — | ♦ Carcinogen |
| 1,2-Butylene oxide | 330 | 330 | — | — | — | ♦ Carcinogen |
| Nonylphenol | 196 | 196 | — | — | 9,573 | |
| Acrylonitrile | 172 | 172 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 92 | 92 | — | — | — | ♦ Carcinogen |
| Nickel | 34 | — | 34 | — | 98,752 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Triethylamine | — | — | — | — | — | |
| Certain glycol ethers | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | — | |
| Ammonia | 28,534 | 28,475 | 59 | — | 516,673 | |
| Ethylene oxide | 7,704 | 7,704 | — | — | — | ♦ Carcinogen |
| Dimethylamine | 4,276 | 4,276 | — | — | 13,848 | |
| Methanol | 3,331 | 3,331 | — | — | 814,370 | |
| Cyclohexane | 2,964 | 2,964 | — | — | 71,728 | |
| Ethylene glycol | 2,942 | 2,942 | — | — | 48,698 | |
| 1,2-Butylene oxide | 1,542 | 1,542 | — | — | — | ♦ Carcinogen |
| Propylene oxide | 1,121 | 1,121 | — | — | — | ♦ Carcinogen |
| Nonylphenol | 144 | 144 | — | — | — | |
| Acrylonitrile | 134 | 134 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 117 | 117 | — | — | — | ♦ Carcinogen |
| Nickel | 38 | — | 38 | — | 129,806 | ♦ 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.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Dimethylamine | — | — | — | 5,390 |
| Diethanolamine | — | — | 385 | — |
| Cyclohexane | — | — | — | 392 |
| N-Hydroxyethylethylenediamine | — | — | 4,200 | — |
| Ethylene oxide | — | — | — | 125,607 |
| Acrylonitrile | — | — | — | 392 |
| Ammonia | — | — | — | 1,273,598 |
| Methanol | — | — | 4,350 | 2,243,367 |
| Propylene oxide | — | — | — | 125,607 |
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 |
|---|---|---|---|---|---|
|
TEXCOM GULF DISPOSAL LLC
CONROE, TX
|
Nickel | 291 | — | — | — |
|
VLS HOUSTON
HOCKLEY, TX
|
Nickel | 365 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Cyclohexane | 9,942 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Diethanolamine | — | — | 385 | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Ethylene glycol | 261 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Methanol | — | — | 4,350 | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Methanol | 261 | — | — | — |
|
TEXCOM GULF DISPOSAL LLC
CONROE, TX
|
Ammonia | 485,152 | — | — | — |
|
US ECOLOGY WINNIE
WINNIE, TX
|
Ammonia | 5,516 | — | — | — |
|
JESSE SINCLAIR PLANT
DAYTON, TX
|
Ammonia | 39,463 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Dimethylamine | — | — | — | 46,396 |
|
VLS HOUSTON
HOCKLEY, TX
|
Nonylphenol | 1,595 | — | — | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
N-Hydroxyethylethylenediamine | — | — | 4,200 | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
N-Hydroxyethylethylenediamine | 121 | — | — | — |
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 |
| caa | Linked to Viol. Below | — | — | Open |
| caa | — | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 11, 2025 | — | Open |
| cwa | Schedule Event reported late | Sep 11, 2025 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Mar 10, 2025 | May 9, 2025 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Mar 10, 2025 | — | Open |
| caa | FRV | May 10, 2024 | — | Open |
| caa | HPV | Feb 22, 2023 | Jun 11, 2025 | Resolved |
| caa | FRV | May 25, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 3, 2021 | Feb 3, 2021 | Resolved |
| caa | FRV | Nov 30, 2020 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Sep 29, 2020 | Sep 29, 2020 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Sep 29, 2020 | Oct 13, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | May 30, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 27, 2019 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 19, 2019 | Sep 27, 2019 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Air Emission Standards for Equipment Leaks | Jul 17, 2019 | Aug 1, 2019 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 17, 2019 | Sep 17, 2019 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jul 17, 2019 | Aug 1, 2019 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jul 17, 2019 | Sep 17, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 17, 2019 | Sep 17, 2019 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jul 17, 2019 | Sep 27, 2019 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Nov 15, 2016 | Jan 9, 2017 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Nov 15, 2016 | Dec 6, 2016 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 15, 2016 | Jan 9, 2017 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Mar 11, 2015 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Oct 27, 2014 | Nov 13, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Oct 27, 2014 | Nov 13, 2014 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Oct 27, 2014 | Nov 20, 2014 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 6, 2012 | Nov 6, 2012 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Nov 6, 2012 | Nov 6, 2012 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 29, 2011 | Dec 9, 2011 | Resolved |
| rcra | Land Disposal Restrictions: General | Nov 10, 2009 | Nov 30, 2009 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 10, 2009 | Dec 15, 2009 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Incinerators | Nov 10, 2009 | Dec 15, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Nov 10, 2009 | Nov 24, 2009 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Nov 10, 2009 | Nov 20, 2009 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jun 9, 2009 | Nov 16, 2009 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 15, 2008 | Jul 28, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 15, 2008 | Jul 15, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 13, 2006 | — | Open |
| cwa | Schedule Event reported late | Sep 13, 2006 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 13, 2006 | Dec 13, 2006 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 13, 2006 | Dec 13, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 18, 2005 | Nov 18, 2005 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Nov 18, 2005 | Nov 18, 2005 | Resolved |
| rcra | Standards for Used Oil: Generators | Nov 18, 2005 | Dec 1, 2005 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 18, 2005 | Dec 1, 2005 | 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 |
|---|---|---|---|---|---|---|
| 1,2-Dichloroethane | DMR, Limited - Numeric Violation | 41.64 kg/d | 0.04 | +115,996% | Aug 2025 | Open |
| 1,2-Dichloroethane | DMR, Limited - Numeric Violation | 41.64 kg/d | 0.11 | +37,032% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.28 kg/d | 61.29 | +16% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 516.00 MPN/100mL | 399.00 | +29% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 85.81 kg/d | 61.29 | +40% | May 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 66.10 kg/d | 61.29 | +8% | Aug 2024 | Open |
| Benzo[a]pyrene | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +25% | Aug 2024 | Open |
| Hexachlorobenzene | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +43% | Aug 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 125.05 kg/d | 34.96 | +258% | Jan 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 32.91 kg/d | 23.15 | +42% | Jan 2024 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 244.71 kg/d | 207.48 | +18% | Jan 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 46.69 kg/d | 34.96 | +34% | Oct 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 70.23 kg/d | 39.73 | +77% | Feb 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 129.80 kg/d | 98.52 | +32% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.70 kg/d | 61.29 | +1% | Dec 2022 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 118.46 kg/d | 34.96 | +239% | Oct 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 37.11 kg/d | 23.15 | +60% | Oct 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 160.54 kg/d | 61.29 | +162% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 160.54 kg/d | 157.08 | +2% | Aug 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 126.47 kg/d | 98.52 | +28% | Aug 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 126.46 kg/d | 39.72 | +218% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 75.18 kg/d | 61.29 | +23% | Aug 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.65 kg/d | 61.29 | +10% | Oct 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 2.85 MGD | 2.00 | +42% | Sep 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 36.50 kg/d | 34.96 | +4% | Aug 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.33 kg/d | 61.29 | +13% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.23 kg/d | 61.29 | +19% | Apr 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 74.23 kg/d | 61.29 | +21% | Mar 2019 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.80 MGD | 0.75 | +7% | Jan 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 125.58 kg/d | 61.29 | +105% | Dec 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 107.87 kg/d | 61.29 | +76% | Oct 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 106.60 kg/d | 61.29 | +74% | Sep 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 78.22 kg/d | 61.29 | +28% | Apr 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.69 kg/d | 19.89 | +9% | Mar 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 49.98 kg/d | 45.40 | +10% | Feb 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.78 kg/d | 19.89 | +45% | Feb 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 102.60 kg/d | 98.52 | +4% | Jan 2018 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 63.11 kg/d | 39.73 | +59% | Jan 2018 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 1.36 kg/d | 0.15 | +821% | Aug 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 152.94 kg/d | 61.29 | +150% | Aug 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 176.11 kg/d | 39.72 | +343% | Aug 2016 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 1.36 kg/d | 0.05 | +2,401% | Aug 2016 | Open |
| Di[2-ethylhexyl] phthalate [DEHP] | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.01 | +1,370% | Aug 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 176.11 kg/d | 98.52 | +79% | Aug 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 257.87 kg/d | 207.48 | +24% | Dec 2015 | Resolved |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 337.78 kg/d | 207.48 | +63% | Nov 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 84.90 kg/d | 39.72 | +114% | Aug 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.
Administrative - Formal
· Case 06-1999-0950
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-13 · Jun 23, 2025
Administrative - Formal
Clean Air Act
· Case 3603543530 · May 27, 2025
$237,175
Administrative - Formal
Clean Air Act
· Case 3604000545 · Oct 16, 2024
$10,800
Administrative - Formal
Clean Air Act
· Case 3602375100 · Dec 21, 2021
$16,843
Administrative - Formal
Clean Air Act
· Case 3602864230 · Oct 13, 2021
$74,533
Administrative - Formal
· Case 06-2022-3307 · Oct 13, 2021
$74,533
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-12 · Oct 13, 2020
State CWA Penalty AO
Clean Water Act
· Case TX-2019-0365-IWD-E · Jan 21, 2020
$18,150
Administrative - Formal
· Case 06-2019-1815 · Aug 27, 2019
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-11 · Jan 13, 2017
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-10 · Dec 11, 2014
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-9 · Oct 31, 2014
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-8 · Nov 6, 2012
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-7 · Nov 30, 2011
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-6 · Dec 23, 2009
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-5 · Nov 12, 2009
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-001 · Oct 1, 2009
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-3 · Jul 28, 2008
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD008076853-4 · Jul 28, 2008
Other facilities in MONTGOMERY County, TX
WATER CREST SUBDIVISION PHASE 4 & 5
CONROE, TX
VILLAS AT BIRNHAM WOODS
SPRING, TX
INDIGO RANCH
, TX
WHITLOCK RESIDENCE
WILLIS, TX
ORBC EXPANSION
OAK RIDGE NORTH, TX