Cyclohexane
CAS # 110-82-7
40,257,625 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)
+82% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 3,389,445 | 580 | — |
| 2016 | 4,325,469 | 627 | +28% |
| 2017 | 4,152,313 | 627 | -4% |
| 2018 | 4,002,421 | 618 | -4% |
| 2019 | 1,277,330 | 319 | -68% |
| 2020 | 4,350,252 | 617 | +241% |
| 2021 | 4,280,829 | 602 | -2% |
| 2022 | 4,514,899 | 804 | +5% |
| 2023 | 3,781,614 | 821 | -16% |
| 2024 | 6,183,052 | 815 | +64% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 36,359,753 | 568 |
| Mining, Quarrying, and Oil and Gas Extraction | 2,548,428 | 233 |
| Wholesale Trade | 626,563 | 318 |
| Administrative and Support and Waste Management | 550,163 | 32 |
| Transportation and Warehousing | 95,277 | 8 |
| Utilities | 76,761 | 3 |
| Professional, Scientific, and Technical Services | 379 | 1 |
| Public Administration | 156 | 5 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.00 mg/L | 0.00 | +159% | Nov 2017 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.00 mg/L | 0.00 | +79% | Nov 2016 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.00 mg/L | 0.00 | +79% | May 2016 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.00 mg/L | 0.00 | +79% | Nov 2015 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.00 mg/L | 0.00 | +32% | Nov 2017 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| NISSAN NORTH AMERICA, INC.- SMYRNA | SMYRNA, TN | 2024 | 22,655 | 22,655 | — |
| COBALT BOATS LLC | NEODESHA, KS | 2024 | 21,865 | 21,865 | — |
| HARTSON KENNEDY CABINET TOP COMPANY INC | GULFPORT, MS | 2024 | 18,173 | 18,173 | — |
| LCY ELASTOMERS LP | BAYTOWN, TX | 2024 | 16,625 | 16,625 | — |
| US ECOLOGY | ROBSTOWN, TX | 2024 | 16,214 | 146 | — |
| CITGO CORPUS CHRISTI REFINERY EAST PLANT | CORPUS CHRISTI, TX | 2024 | 15,945 | 15,945 | — |
| HEARTLAND AUTOMOTIVE L L C | GREENCASTLE, IN | 2024 | 15,288 | 15,288 | — |
| CONOCOPHILLIPS CO FERNDALE REFINERY | FERNDALE, WA | 2024 | 15,237 | 15,237 | — |
| ISP TECHNOLOGIES - TEXAS CITY | TEXAS CITY, TX | 2024 | 14,994 | 5,702 | — |
| LION ELASTOMERS ORANGE, LLC | ORANGE, TX | 2024 | 14,327 | 14,327 | — |
| CHEMICAL WASTE MANAGEMENT - LAKE CHARLES FACILITY | SULPHUR, LA | 2024 | 14,000 | — | — |
| CHEVRON MM PASCAGOULA | PASCAGOULA, MS | 2024 | 13,339 | 13,330 | 9 |
| US ARMY LAKE CITY ARMY AMMUNITION PLANT | INDEPENDENCE, MO | 2024 | 13,231 | 13,231 | — |
| KASAI NORTH AMERICA INC, MADISON PLANT | MADISON, MS | 2024 | 13,220 | 13,220 | — |
| WRB REFINING - BORGER COMPLEX | BORGER, TX | 2024 | 13,178 | 13,178 | — |
| UNION PROCESSING SYSTEMS, LLC | CONROE, TX | 2024 | 13,017 | — | — |
| CPS TECHNOLOGIES | NORTON, MA | 2024 | 12,721 | 12,721 | — |
| PORT ARTHUR PLANT | PORT ARTHUR, TX | 2024 | 12,123 | 12,123 | — |
| CHEMICAL WASTE MANAGEMENT, INC- TREATMENT FACILITY | EMELLE, AL | 2024 | 12,000 | — | — |
| KAISAI NORTH AMERICA, INC. | TALLADEGA, AL | 2024 | 11,946 | 11,946 | — |
| PHILLIPS 66 CO - SWEENY REFINERY | OLD OCEAN, TX | 2024 | 11,905 | 11,905 | — |
| RED HILLS GAS PROCESSING PLANT | JAL, NM | 2024 | 11,900 | 11,900 | — |
| PORT ARTHUR REFINERY | PORT ARTHUR, TX | 2024 | 11,604 | 11,601 | — |
| LUBRIZOL ADVANCED MATERIALS INC | CALVERT CITY, KY | 2024 | 10,980 | 10,980 | — |
| PORT ARTHUR CHEMICALS | PORT ARTHUR, TX | 2024 | 10,765 | 10,765 | — |
| PAR EAST REFINERY | KAPOLEI, HI | 2024 | 10,451 | 10,451 | — |
| TRIMOLD LLC (0165010125) | CIRCLEVILLE, OH | 2024 | 10,162 | 10,162 | — |
| ARCHER DANIELS MIDLAND COMPANY - DECATUR CORN PLANT | DECATUR, IL | 2024 | 9,238 | 9,238 | — |
| VALERO REFINING - TEXAS, L.P. | TEXAS CITY, TX | 2024 | 9,202 | 9,200 | 1 |
| DCP MIDSTREAM, LP, CIMARRON PLANT | SEILING, OK | 2024 | 9,200 | 9,200 | — |
| CORPUS CHRISTI EAST REFINERY | CORPUS CHRISTI, TX | 2024 | 8,762 | 8,736 | 25 |
| DIAMOND SHAMROCK REFINING COMPANY, L.P. | SUNRAY, TX | 2024 | 8,702 | 3,800 | — |
| MIDWAY GAS PLANT | CRANE, TX | 2024 | 8,596 | 96 | — |
| EXXONMOBIL BAYTOWN REFINERY | BAYTOWN, TX | 2024 | 8,540 | 8,200 | 340 |
| ROBINSON REFINING LOGISTICS LLC | ROBINSON, IL | 2024 | 8,396 | 8,395 | 1 |
| SEPTON COMPANY OF AMERICA | PASADENA, TX | 2024 | 8,060 | 8,060 | — |
| MARATHON ANACORTES REFINERY | ANACORTES, WA | 2024 | 7,920 | 7,920 | — |
| ALBEMARLE CORP - PROCESS DEVELOPMENT CENTER | BATON ROUGE, LA | 2024 | 7,687 | 7,687 | — |
| DCP MIDSTREAM O-CONNOR GAS PLANT | KERSEY, CO | 2024 | 7,500 | 7,500 | — |
| HOUSTON REFINERY | HOUSTON, TX | 2024 | 7,486 | 7,486 | — |
| 3M CYNTHIANA | CYNTHIANA, KY | 2024 | 7,367 | 7,367 | — |
| CHACO GAS PLANT | BLOOMFIELD, NM | 2024 | 6,790 | 6,790 | — |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP - CEDAR BAYOU | BAYTOWN, TX | 2024 | 6,674 | 6,674 | — |
| BASF CORP | MC INTOSH, AL | 2024 | 6,664 | 6,664 | — |
| LUCERNE PLANT | GREELEY, CO | 2024 | 6,500 | 6,500 | — |
| EXXONMOBIL BEAUMONT CHEMICAL PLANT (BMCP) | BEAUMONT, TX | 2024 | 6,360 | 6,360 | — |
| PHILLIPS 66 COMPANY - LAKE CHARLES REFINERY | WESTLAKE, LA | 2024 | 6,343 | 6,301 | 42 |
| MEWBOURN GAS PLANT | PLATTEVILLE, CO | 2024 | 6,200 | 6,200 | — |
| CALCASIEU REFINING CO - LAKE CHARLES CRUDE OIL REFINERY | LAKE CHARLES, LA | 2024 | 5,880 | 5,878 | 2 |
| UNITED REFINING CO/WARREN PLT | WARREN, PA | 2024 | 5,838 | 5,604 | 234 |