Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
NOVA CHEMICALS OLEFINS LLC - GEISMAR ETHYLENE PLANT
Quick Summary
- •Released 317,205 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 $15,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
5205 HIGHWAY 3115
GEISMAR, LA 70734
View on map ↗ - County
- ASCENSION County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325110
- Inspections
- 4 · last May 22, 2025
- Total Penalties
- $15,000 · last Jun 8, 2022
- Registry ID
- 110000746337
How This Compares
#60
of 419 TRI reporters in LA
#530
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
5
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
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)
-77% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 556,545 | — |
| 2016 | 204,855 | -63% |
| 2017 | 317,205 | +55% |
| 2018 | 265,015 | -16% |
| 2019 | 89,693 | -66% |
| 2020 | 231,977 | +159% |
| 2021 | 196,985 | -15% |
| 2022 | 84,956 | -57% |
| 2023 | 95,338 | +12% |
| 2024 | 128,526 | +35% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Methanol | — | — | — | — | 37,500 | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Dimethyl phthalate | — | — | — | — | — | |
| Isoprene | — | — | — | — | — | ♦ Carcinogen |
| Ethylene | 69,181 | 69,181 | — | — | 411 | |
| Propylene | 40,731 | 40,731 | — | — | 17 | |
| Ammonia | 8,253 | 8,253 | — | — | — | |
| Benzene | 4,685 | 4,683 | 2 | — | 2,182 | ♦ Carcinogen |
| 1,3-Butadiene | 3,077 | 3,077 | — | — | 14 | ♦ Carcinogen |
| Dicyclopentadiene | 919 | 919 | — | — | 2 | |
| Toluene | 781 | 779 | 2 | — | 69 | |
| Styrene | 458 | 458 | — | — | 81 | ♦ Carcinogen |
| Hydrogen sulfide | 270 | 270 | — | — | — | |
| Naphthalene | 171 | 171 | — | — | 550 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dimethyl phthalate | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Chlorine | — | — | — | — | — | |
| Ethylene | 47,420 | 47,420 | — | — | — | |
| Propylene | 28,561 | 28,561 | — | — | — | |
| Ammonia | 9,285 | 9,285 | — | — | — | |
| Benzene | 4,373 | 4,369 | 4 | — | 5 | ♦ Carcinogen |
| 1,3-Butadiene | 2,436 | 2,436 | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | 1,101 | 1,101 | — | — | — | |
| Toluene | 888 | 884 | 4 | — | — | |
| Styrene | 583 | 583 | — | — | — | ♦ Carcinogen |
| Naphthalene | 506 | 506 | — | — | 2 | ♦ Carcinogen |
| Isoprene | 174 | 174 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 11 | 11 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Chlorine | — | — | — | — | — | |
| Dimethyl phthalate | — | — | — | — | — | |
| Ethylene | 40,430 | 40,430 | — | — | — | |
| Propylene | 24,549 | 24,549 | — | — | — | |
| Ammonia | 10,321 | 10,321 | — | — | — | |
| Benzene | 3,994 | 3,988 | 6 | — | 10 | ♦ Carcinogen |
| 1,3-Butadiene | 2,065 | 2,065 | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | 1,236 | 1,236 | — | — | — | |
| Toluene | 888 | 882 | 6 | — | 3 | |
| Xylene (mixed isomers) | 533 | 533 | — | — | — | |
| Styrene | 522 | 522 | — | — | 5 | ♦ Carcinogen |
| Naphthalene | 190 | 190 | — | — | 38 | ♦ Carcinogen |
| Isoprene | 183 | 183 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 45 | 45 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Chlorine | — | — | — | — | — | |
| Ethylene | 97,618 | 97,618 | — | — | — | |
| Propylene | 65,887 | 65,887 | — | — | — | |
| Benzene | 12,225 | 12,219 | 6 | — | 36,975 | ♦ Carcinogen |
| 1,3-Butadiene | 7,473 | 7,473 | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | 3,899 | 3,899 | — | — | — | |
| Ammonia | 3,426 | 3,426 | — | — | — | |
| Methanol | 1,986 | 1,986 | — | — | 40,886 | |
| Toluene | 1,937 | 1,931 | 6 | — | 5,644 | |
| Styrene | 1,088 | 1,088 | — | — | 218 | ♦ Carcinogen |
| Isoprene | 674 | 674 | — | — | — | ♦ Carcinogen |
| Naphthalene | 498 | 498 | — | — | 1,878 | ♦ Carcinogen |
| Hydrogen sulfide | 274 | 274 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Chlorine | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylene | 119,359 | 119,359 | — | — | — | |
| Propylene | 75,645 | 75,645 | — | — | — | |
| Benzene | 12,107 | 12,096 | 11 | — | 536 | ♦ Carcinogen |
| 1,3-Butadiene | 11,206 | 11,206 | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | 3,862 | 3,862 | — | — | — | |
| Ammonia | 2,985 | 2,985 | — | — | — | |
| Methanol | 2,195 | 2,195 | — | — | — | |
| Toluene | 1,978 | 1,967 | 11 | — | 350 | |
| Styrene | 1,247 | 1,247 | — | — | 47 | ♦ Carcinogen |
| Isoprene | 631 | 631 | — | — | — | ♦ Carcinogen |
| Naphthalene | 504 | 504 | — | — | 33 | ♦ Carcinogen |
| Hydrogen sulfide | 258 | 258 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene | 76,576 | 76,576 | — | — | — | |
| Benzene | 11,969 | 11,958 | 11 | — | 400 | ♦ Carcinogen |
| Isoprene | 639 | 639 | — | — | — | ♦ Carcinogen |
| Naphthalene | 509 | 509 | — | — | 31 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Chlorine | — | — | — | — | — | |
| Ethylene | 147,480 | 147,480 | — | — | — | |
| Propylene | 80,391 | 80,391 | — | — | — | |
| Benzene | 11,922 | 11,911 | 11 | — | 70 | ♦ Carcinogen |
| 1,3-Butadiene | 11,219 | 11,219 | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | 3,522 | 3,522 | — | — | — | |
| Ammonia | 3,229 | 3,229 | — | — | — | |
| Methanol | 2,237 | 2,237 | — | — | — | |
| Toluene | 1,970 | 1,959 | 11 | — | 1,009 | |
| Styrene | 1,507 | 1,507 | — | — | 2 | ♦ Carcinogen |
| Naphthalene | 698 | 698 | — | — | 3 | ♦ Carcinogen |
| Isoprene | 663 | 663 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 177 | 177 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Chlorine | — | — | — | — | — | |
| Ethylene | 219,686 | 219,686 | — | — | — | |
| Propylene | 63,460 | 63,460 | — | — | — | |
| Benzene | 12,032 | 12,021 | 11 | — | 123 | ♦ Carcinogen |
| 1,3-Butadiene | 7,588 | 7,588 | — | — | — | ♦ Carcinogen |
| Ammonia | 3,760 | 3,760 | — | — | — | |
| Dicyclopentadiene | 3,476 | 3,476 | — | — | — | |
| Methanol | 2,240 | 2,240 | — | — | — | |
| Toluene | 2,005 | 1,994 | 11 | — | 764 | |
| Styrene | 1,542 | 1,542 | — | — | 8 | ♦ Carcinogen |
| Isoprene | 642 | 642 | — | — | — | ♦ Carcinogen |
| Naphthalene | 590 | 590 | — | — | 8 | ♦ Carcinogen |
| Hydrogen sulfide | 184 | 184 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylene | 106,867 | 106,867 | — | — | — | |
| Propylene | 64,408 | 64,408 | — | — | — | |
| Benzene | 11,583 | 11,571 | 12 | — | 257 | ♦ Carcinogen |
| 1,3-Butadiene | 7,437 | 7,437 | — | — | — | ♦ Carcinogen |
| Ammonia | 3,632 | 3,632 | — | — | — | |
| Dicyclopentadiene | 3,543 | 3,543 | — | — | — | |
| Methanol | 2,251 | 2,251 | — | — | — | |
| Toluene | 2,013 | 2,001 | 12 | — | 1,262 | |
| Styrene | 1,562 | 1,562 | — | — | 68 | ♦ Carcinogen |
| Naphthalene | 701 | 701 | — | — | 62 | ♦ Carcinogen |
| Isoprene | 647 | 647 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 211 | 211 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylene | 423,248 | 423,248 | — | — | — | |
| Propylene | 84,437 | 84,437 | — | — | — | |
| 1,3-Butadiene | 18,542 | 18,542 | — | — | — | ♦ Carcinogen |
| Benzene | 15,911 | 15,899 | 12 | — | 745 | ♦ Carcinogen |
| Dicyclopentadiene | 3,575 | 3,575 | — | — | — | |
| Toluene | 2,884 | 2,872 | 12 | — | 1,720 | |
| Ammonia | 2,427 | 2,427 | — | — | — | |
| Methanol | 2,248 | 2,248 | — | — | — | |
| Styrene | 1,787 | 1,787 | — | — | 260 | ♦ Carcinogen |
| Naphthalene | 709 | 709 | — | — | 235 | ♦ Carcinogen |
| Isoprene | 665 | 665 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 111 | 111 | — | — | — |
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 |
|---|---|---|---|---|
| 1,3-Butadiene | — | — | — | 1,117,447 |
| Propylene | — | — | — | 18,893,746 |
| Hydrogen sulfide | — | — | — | 91,404 |
| Toluene | — | — | — | 51,488 |
| Ethylene | — | — | — | 31,334,583 |
| Methanol | — | — | — | 37,500 |
| Styrene | — | — | — | 10,805 |
| Dicyclopentadiene | — | — | — | 2 |
| Naphthalene | — | — | — | 537 |
| Benzene | — | — | — | 1,187,276 |
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 |
|---|---|---|---|---|---|
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Methanol | — | — | — | 37,500 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Styrene | — | — | — | 33 |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Styrene | 6 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Styrene | — | — | — | 42 |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
1,3-Butadiene | — | — | — | 14 |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Ethylene | — | — | — | 411 |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Dicyclopentadiene | — | — | — | 2 |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Toluene | 4 | — | — | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Toluene | — | — | — | 26 |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Toluene | — | — | — | 39 |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Propylene | — | — | — | 17 |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Benzene | 5 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Benzene | — | — | — | 1,837 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Benzene | — | — | — | 273 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Benzene | — | — | — | 67 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Naphthalene | — | — | — | 250 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Naphthalene | — | — | — | 1 |
|
VEOLIA ES TECHNICAL SOLUTIONS
BEAUMONT, TX
|
Naphthalene | — | — | — | 286 |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Naphthalene | 13 | — | — | — |
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 |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 8, 2016 | Mar 6, 2017 | Resolved |
| rcra | Standards for Used Oil: Generators | Dec 8, 2016 | Dec 9, 2016 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Aug 31, 2015 | Nov 3, 2017 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Jan 31, 2015 | Nov 3, 2017 | Resolved |
| cwa | Schedule Event reported late | Sep 19, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 19, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 19, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 19, 2014 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Jun 13, 2013 | Nov 19, 2014 | Resolved |
| rcra | Land Disposal Restrictions: General | Mar 11, 2008 | Apr 21, 2008 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Mar 11, 2008 | Apr 21, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 6, 2007 | Feb 19, 2009 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program General Information | Mar 6, 2007 | Feb 19, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 6, 2007 | Feb 19, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 30, 1990 | May 23, 1991 | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 81.31 kg/d | 75.36 | +8% | Jun 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 309.49 kg/d | 195.67 | +58% | May 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 146.41 kg/d | 75.36 | +94% | May 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 97.52 kg/d | 75.36 | +29% | Apr 2025 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Dec 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 106.16 kg/d | 75.36 | +41% | Nov 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 224.50 kg/d | 195.67 | +15% | Oct 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 81.08 kg/d | 75.36 | +8% | Oct 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 281.02 kg/d | 195.67 | +44% | Sep 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 107.38 kg/d | 75.36 | +42% | Sep 2024 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 76.64 kg/d | 59.02 | +30% | Jul 2024 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | Jun 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 254.29 kg/d | 195.67 | +30% | May 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 124.40 kg/d | 59.02 | +111% | May 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 41.31 kg/d | 39.50 | +5% | May 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 188.59 kg/d | 158.45 | +19% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 177.48 kg/d | 108.96 | +63% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 528.69 kg/d | 309.63 | +71% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 113.82 kg/d | 108.96 | +4% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 336.37 kg/d | 309.63 | +9% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 332.74 kg/d | 309.63 | +7% | Sep 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 131.84 kg/d | 108.96 | +21% | Aug 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 230.95 kg/d | 158.45 | +46% | Jun 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 167.14 kg/d | 158.45 | +5% | May 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 137.70 kg/d | 108.96 | +26% | Mar 2019 | Open |
| Oil and grease | DMR, Limited - Numeric Violation | 50.98 kg/d | 40.41 | +26% | Jan 2017 | Open |
| Oil and grease | DMR, Limited - Numeric Violation | 51.44 kg/d | 40.41 | +27% | Oct 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 127.44 kg/d | 55.84 | +128% | May 2016 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 522.10 kg/d | 145.73 | +258% | May 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 88.12 kg/d | 55.84 | +58% | Apr 2016 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 165.62 kg/d | 145.73 | +14% | Apr 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 58.29 kg/d | 55.84 | +4% | Mar 2016 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 178.29 kg/d | 145.73 | +22% | Mar 2016 | Open |
| Oil and grease | DMR, Limited - Numeric Violation | 47.03 kg/d | 40.41 | +16% | Feb 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 100.70 kg/d | 98.06 | +3% | Jan 2016 | Resolved |
| Oil and grease | DMR, Limited - Numeric Violation | 42.36 kg/d | 40.41 | +5% | Jan 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 209.25 kg/d | 145.73 | +44% | Jan 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 66.83 kg/d | 55.84 | +20% | Jan 2016 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 404.70 kg/d | 282.84 | +43% | Jan 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 300.37 kg/d | 145.73 | +106% | Dec 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 165.76 kg/d | 55.84 | +197% | Dec 2015 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 141.38 kg/d | 98.06 | +44% | Dec 2015 | Resolved |
| Oil and grease | DMR, Limited - Numeric Violation | 136.43 kg/d | 40.41 | +238% | Dec 2015 | Open |
| Oil and grease | DMR, Limited - Numeric Violation | 55.84 kg/d | 40.41 | +38% | Nov 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 100.92 kg/d | 55.84 | +81% | Nov 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 151.23 kg/d | 145.73 | +4% | Nov 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 127.62 kg/d | 55.84 | +129% | Oct 2015 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 285.93 kg/d | 145.73 | +96% | Oct 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 195.67 kg/d | 98.06 | +100% | Oct 2015 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 633.65 kg/d | 282.84 | +124% | Oct 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 Non Penalty AO
Clean Water Act
· Case LA-WEC2500126 · Apr 23, 2025
Judicial
· Case 06-2015-3400 · Mar 24, 2021
$750,000
State Administrative Order of Consent
Clean Water Act
· Case LA-SAWE170010 · Aug 28, 2017
$14,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-LAD981149750-263 · Feb 2, 2017
State CWA Non Penalty AO
Clean Water Act
· Case LA-WECN1600197 · May 5, 2016
State CWA Non Penalty AO
Clean Water Act
· Case LA-WEC1501021 · Oct 16, 2015
State CWA Non Penalty AO
Clean Water Act
· Case LA-WEC1300581 · Jun 19, 2013
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-LAD981149750-001 · Jan 9, 2009
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-LAD981149750-099 · Apr 21, 2008
Other facilities in ASCENSION County, LA
WILLIAMS TRAILER PARK
PRAIRIEVILLE, LA
GREG TILLEY'S MANUFACTURED HOUSING
GONZALES, LA
UTILITIES INC OF LOUISIANA - BON LIEU SUBDIVISION
PRAIRIEVILLE, LA
ROSEHILL CONSTRUCTION LLC - ROSEHILL CONSTRUCTION OFFICE
PRAIRIEVILLE, LA
AIRGAS SOUTHWEST
GEISMAR, LA
· Wholesale Trade