1,1,2-Trichloroethane
CAS # 79-00-5
333,669 lbs total reported releases across all facilities and years.
Facilities listed below reported releases of this chemical to the EPA Toxic Release Inventory (TRI). Quantities are self-reported annual totals in pounds, broken out by release pathway. Click any facility name for its full compliance profile.
National Release Trend (2015–2024)
-60% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 56,599 | 26 | — |
| 2016 | 58,475 | 27 | +3% |
| 2017 | 36,959 | 27 | -37% |
| 2018 | 59,346 | 27 | +61% |
| 2019 | 12,400 | 8 | -79% |
| 2020 | 20,394 | 25 | +64% |
| 2021 | 22,625 | 25 | +11% |
| 2022 | 22,390 | 24 | -1% |
| 2023 | 21,570 | 24 | -4% |
| 2024 | 22,911 | 26 | +6% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 280,881 | 25 |
| Administrative and Support and Waste Management | 52,788 | 11 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
SLIPPERY ROCK MUNI AUTH
SLIPPERY ROCK, PA
|
1.51 kg/d | 0.00 | +48,956% | Apr 2024 |
|
SLIPPERY ROCK MUNI AUTH
SLIPPERY ROCK, PA
|
2.22 kg/d | 0.01 | +35,788% | Apr 2024 |
|
WESTLAKE US 2 LLC
WESTLAKE, LA
|
2.03 kg/d | 0.82 | +147% | Jun 2025 |
|
MILLIKEN & COMPANY/MAGNOLIA PLANT
BLACKSBURG, SC
|
0.03 kg/d | 0.01 | +97% | Sep 2022 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Aug 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Jul 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Apr 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Feb 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Sep 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Dec 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Oct 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Feb 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Sep 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Mar 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Oct 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Jun 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Nov 2018 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Nov 2019 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | May 2020 |
|
FORMER WESTINGHOUSE ELEVATOR PLT
GETTYSBURG, PA
|
0.00 mg/L | 0.00 | +67% | Jan 2019 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2024 | 14,701 | 14,700 | 1 |
| FORMOSA PLASTICS LOUISIANA | BATON ROUGE, LA | 2024 | 2,277 | 2,277 | — |
| WESTLAKE VINYLS CO LP | GEISMAR, LA | 2024 | 1,780 | 1,780 | — |
| OLIN BLUE CUBE | FREEPORT, TX | 2024 | 1,018 | 1,018 | — |
| OCCIDENTAL CHEMICAL CORPORATION - GEISMAR FACILITY | GEISMAR, LA | 2024 | 494 | 489 | 5 |
| WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY | PLAQUEMINE, LA | 2024 | 444 | 444 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2024 | 402 | 402 | — |
| BLUE CUBE OPERATIONS LLC | PLAQUEMINE, LA | 2024 | 290 | 290 | — |
| WESTLAKE CHEMICALS & VINYLS LLC | WESTLAKE, LA | 2024 | 250 | 250 | — |
| OXY VINYLS LP - LA PORTE VCM PLANT | LA PORTE, TX | 2024 | 227 | 227 | — |
| WESTLAKE VINYLS, INC. | CALVERT CITY, KY | 2024 | 204 | 161 | 43 |
| SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, LA | 2024 | 201 | 190 | 11 |
| EQUILON LUBRICANTS CO - DEER PARK | DEER PARK, TX | 2024 | 166 | 166 | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2024 | 161 | 161 | — |
| OCCIDENTAL CHEMICAL OXYCHEM- PORTLAND PLANT | GREGORY, TX | 2024 | 126 | 126 | — |
| FORMOSA PLASTICS CORPORATION, TEXAS | POINT COMFORT, TX | 2024 | 67 | 67 | — |
| OCCIDENTAL CHEMICAL CORPORATION | CONVENT, LA | 2024 | 41 | 40 | 1 |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC | KIMBALL, NE | 2024 | 34 | 34 | — |
| US ECOLOGY | ROBSTOWN, TX | 2024 | 19 | 7 | — |
| NORLITE, LLC | COHOES, NY | 2024 | 4 | 4 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2024 | 3 | 3 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2024 | 1 | 1 | — |
| ASH GROVE CEMENT CO-CHANUTE PLANT | CHANUTE, KS | 2024 | 0 | 0 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2024 | 0 | 0 | — |
| CLEAN HARBORS ARAGONITE LLC | GRANTSVILLE, UT | 2024 | 0 | 0 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2024 | 0 | 0 | — |
| FORMOSA PLASTICS CORPORATION, TEXAS | POINT COMFORT, TX | 2023 | — | — | — |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2023 | 14,700 | 14,700 | — |
| FORMOSA PLASTICS LOUISIANA | BATON ROUGE, LA | 2023 | 1,730 | 1,730 | — |
| WESTLAKE VINYLS CO LP | GEISMAR, LA | 2023 | 1,592 | 1,592 | — |
| OLIN BLUE CUBE | FREEPORT, TX | 2023 | 831 | 831 | — |
| OCCIDENTAL CHEMICAL CORPORATION - GEISMAR FACILITY | GEISMAR, LA | 2023 | 441 | 436 | 5 |
| BLUE CUBE OPERATIONS LLC | PLAQUEMINE, LA | 2023 | 394 | 394 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2023 | 358 | 358 | — |
| WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY | PLAQUEMINE, LA | 2023 | 292 | 292 | — |
| WESTLAKE CHEMICALS & VINYLS LLC | WESTLAKE, LA | 2023 | 248 | 248 | — |
| WESTLAKE VINYLS, INC. | CALVERT CITY, KY | 2023 | 240 | 227 | 14 |
| SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, LA | 2023 | 194 | 194 | — |
| OCCIDENTAL CHEMICAL OXYCHEM- PORTLAND PLANT | GREGORY, TX | 2023 | 158 | 158 | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2023 | 122 | 122 | — |
| EQUILON LUBRICANTS CO - DEER PARK | DEER PARK, TX | 2023 | 113 | 113 | — |
| OXY VINYLS LP - LA PORTE VCM PLANT | LA PORTE, TX | 2023 | 69 | 69 | — |
| OCCIDENTAL CHEMICAL CORPORATION | CONVENT, LA | 2023 | 42 | 41 | 1 |
| NORLITE, LLC | COHOES, NY | 2023 | 22 | 16 | — |
| ASH GROVE CEMENT COMPANY | FOREMAN, AR | 2023 | 16 | 16 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2023 | 4 | 4 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2023 | 2 | 2 | — |
| ASH GROVE CEMENT CO-CHANUTE PLANT | CHANUTE, KS | 2023 | 1 | 1 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2023 | 0 | 0 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2023 | 0 | 0 | — |