N-Methyl-2-pyrrolidone
CAS # 872-50-4
53,558,653 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)
+1% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 5,093,309 | 398 | — |
| 2016 | 6,693,340 | 404 | +31% |
| 2017 | 6,944,663 | 393 | +4% |
| 2018 | 5,919,932 | 400 | -15% |
| 2019 | 1,595,245 | 185 | -73% |
| 2020 | 5,483,335 | 389 | +244% |
| 2021 | 5,836,198 | 385 | +6% |
| 2022 | 5,256,029 | 373 | -10% |
| 2023 | 5,592,251 | 363 | +6% |
| 2024 | 5,144,352 | 353 | -8% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 35,529,250 | 515 |
| Administrative and Support and Waste Management | 17,974,573 | 42 |
| Public Administration | 22,589 | 5 |
| Other Services | 21,204 | 1 |
| Wholesale Trade | 10,783 | 77 |
| Professional, Scientific, and Technical Services | 255 | 1 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
ONSEMI- EAST FISHKILL FACILITY
HOPEWELL JUNCTION, NY
|
0.07 mg/L | 0.02 | +250% | Dec 2017 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| CATERPILLAR REMANUFACTURED PRODUCTS GROUP | BOONEVILLE, MS | 2024 | — | — | — |
| DREXEL CHEMICAL GW WAREHOUSE FACILITY | CORDELE, GA | 2024 | — | — | — |
| AMERICAN DISTILLATION INC | LELAND, NC | 2024 | — | — | — |
| RHO CHEMICALS CO | JOLIET, IL | 2024 | — | — | — |
| MICHELIN TWEEL TECHNOLOGY | PIEDMONT, SC | 2024 | — | — | — |
| OMNIUM | HAMPTON, IA | 2024 | — | — | — |
| AXALTA COATING SYSTEMS USA LLC | MOUNT CLEMENS, MI | 2024 | — | — | — |
| CHEMETALL US INC | JACKSON, MI | 2024 | — | — | — |
| DUBOIS CHEMICALS | SHARONVILLE, OH | 2024 | — | — | — |
| SUPERIOR SOLVENTS & CHEMICALS | LOUISVILLE, KY | 2024 | — | — | — |
| PICO CHEMICAL CORP | CHICAGO HEIGHTS, IL | 2024 | — | — | — |
| BAYTOWN OLEFINS PLANT | BAYTOWN, TX | 2024 | — | — | — |
| SUPERIOR SOLVENTS AND CHEMICALS - SPRINGFIELD FACILITY | SPRINGFIELD, MO | 2024 | — | — | — |
| BRENNTAG MID-SOUTH INC. | DURHAM, NC | 2024 | — | — | — |
| BASF TOTALENERGIES PETROCHEMICALS LLC | PORT ARTHUR, TX | 2024 | — | — | — |
| ADJUVANTS UNLIMITED LLC | TULSA, OK | 2024 | — | — | — |
| CLEAN HARBORS RECYCLING SERVICES OF OHIO LLC | HEBRON, OH | 2024 | — | — | — |
| JOHN R HESS & CO INC | CRANSTON, RI | 2024 | — | — | — |
| CHEMSOLV INC | ROANOKE, VA | 2024 | — | — | — |
| BRENNTAG MID-SOUTH, INC. | ST. LOUIS, MO | 2024 | — | — | — |
| PRIDE SOLVENTS & CHEMICAL CO OF NEW JERSEY | AVENEL, NJ | 2024 | — | — | — |
| BYK USA INC | NORTH HAVEN, CT | 2024 | — | — | — |
| SUPERIOR OIL COMPANY, INC. | OLD HICKORY, TN | 2024 | — | — | — |
| SHINTECH INC | FREEPORT, TX | 2024 | — | — | — |
| CHEMTRONICS | KENNESAW, GA | 2024 | — | — | — |
| SAFETY-KLEEN SYSTEMS INC | DOLTON, IL | 2024 | — | — | — |
| NATIONAL CHEMICAL LABORATORIES INC | PHILADELPHIA, PA | 2024 | — | — | — |
| FONTANA WOOD TREATING INC | FONTANA, CA | 2024 | — | — | — |
| BLENTECH | HOUSTON, TX | 2024 | — | — | — |
| ESSENTIAL INDS INC | MERTON, WI | 2024 | — | — | — |
| ALBAUGH, LLC. | ST. JOSEPH, MO | 2024 | — | — | — |
| SUPERIOR INDUSTRIAL SOLUTIONS RAIL SPUR | COWPENS, SC | 2024 | — | — | — |
| SUPERIOR SOLVENTS & CHEMICALS | FAIRFIELD, OH | 2024 | — | — | — |
| SIKA CORP | LYNDHURST, NJ | 2024 | — | — | — |
| ROYAL ADHESIVES AND SEALANTS LLC | SOUTH BEND, IN | 2024 | — | — | — |
| SUPERIOR INDUSTRIAL SOLUTIONS, INC. | ELKHART, IN | 2024 | — | — | — |
| CLEAN HARBORS RECYCLING SERVICES OF CHICAGO LLC | CHICAGO, IL | 2024 | — | — | — |
| AMVAC CHEMICAL CORP | LOS ANGELES, CA | 2024 | — | — | — |
| HUBBARD-HALL INC | INMAN, SC | 2024 | — | — | — |
| SCHIRM USA INC. | ENNIS, TX | 2024 | — | — | — |
| HELENA INDUSTRIES, LLC | WEST HELENA, AR | 2024 | — | — | — |
| ALLCOAT TECHNOLOGY | WILMINGTON, MA | 2024 | — | — | — |
| EAU CLAIRE CO-OPERATIVE OIL CO | EAU CLAIRE, WI | 2024 | — | — | — |
| CHEMISPHERE CORP | ST. LOUIS, MO | 2024 | — | — | — |
| TORCH SURFACE TECHNOLOGIES | WHITMORE LAKE, MI | 2024 | — | — | — |
| SOLVCHE - PEARLAND FACILITY | PEARLAND, TX | 2024 | — | — | — |
| APT ADVANCED POLYMER TECHNOLOGY CORP. | EVANS CITY, PA | 2024 | — | — | — |
| K-SOLV | CHANNELVIEW, TX | 2024 | — | — | — |
| CONTROL SOLUTIONS | PASADENA, TX | 2024 | — | — | — |
| NOVO NORDISK - DAPI-US | CLAYTON, NC | 2024 | — | — | — |