♦ Carcinogen
Cobalt
CAS # 7440-48-4
2,612,095 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)
+207% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 110,931 | 346 | — |
| 2016 | 114,312 | 342 | +3% |
| 2017 | 112,514 | 355 | -2% |
| 2018 | 272,497 | 343 | +142% |
| 2019 | 204,859 | 198 | -25% |
| 2020 | 271,874 | 328 | +33% |
| 2021 | 380,885 | 334 | +40% |
| 2022 | 437,140 | 325 | +15% |
| 2023 | 366,734 | 332 | -16% |
| 2024 | 340,350 | 328 | -7% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Professional, Scientific, and Technical Services | 0 | 1 |
| Other Services | 0 | 1 |
| Mining, Quarrying, and Oil and Gas Extraction | 1,175,084 | 9 |
| Administrative and Support and Waste Management | 1,086,427 | 14 |
| Manufacturing | 209,720 | 539 |
| Utilities | 109,423 | 4 |
| Public Administration | 31,144 | 2 |
| Agriculture, Forestry, Fishing and Hunting | 103 | 1 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.05 mg/L | 0.00 | +6,150% | Oct 2025 |
|
SPECIAL METALS CORP
NEW HARTFORD, NY
|
0.25 mg/L | 0.01 | +4,840% | Oct 2023 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.04 mg/L | 0.00 | +4,775% | Jul 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.03 mg/L | 0.00 | +3,650% | Jan 2026 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.03 mg/L | 0.00 | +3,025% | May 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.05 mg/L | 0.00 | +3,025% | Oct 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.04 mg/L | 0.00 | +2,338% | Jul 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.02 mg/L | 0.00 | +2,025% | Apr 2025 |
|
SPECIAL METALS CORP
NEW HARTFORD, NY
|
0.10 mg/L | 0.01 | +1,808% | Jun 2023 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.03 mg/L | 0.00 | +1,775% | Jan 2026 |
|
SPECIAL METALS CORP
NEW HARTFORD, NY
|
0.08 mg/L | 0.01 | +1,577% | Sep 2023 |
|
SPECIAL METALS CORP
NEW HARTFORD, NY
|
0.08 mg/L | 0.01 | +1,545% | Feb 2024 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.01 mg/L | 0.00 | +1,525% | Nov 2024 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.03 mg/L | 0.00 | +1,463% | May 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.01 mg/L | 0.00 | +1,275% | Feb 2025 |
|
HOMER LAUGHLIN CHINA
NEWELL, WV
|
0.03 mg/L | 0.00 | +1,170% | Dec 2021 |
|
SPECIAL METALS CORP
NEW HARTFORD, NY
|
0.06 mg/L | 0.01 | +1,087% | Jul 2023 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.02 mg/L | 0.00 | +963% | Apr 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.01 mg/L | 0.00 | +900% | Sep 2025 |
|
CRAFTS RUN AML PROJECT
MAIDSVILLE, WV
|
0.01 mg/L | 0.00 | +775% | Dec 2025 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| UNVERFERTH MANUFACTURING COMPANY, INC | SHELL ROCK, IA | 2024 | — | — | — |
| VDM METALS USA, LLC | RENO, NV | 2024 | — | — | — |
| AMERICAN MICRO PRODUCTS INC | BATAVIA, OH | 2024 | — | — | — |
| US CHEMICAL | WATERTOWN, WI | 2024 | — | — | — |
| BLEISTAHL NA LLP | BATTLE CREEK, MI | 2024 | — | — | — |
| ZIMMER MANUFACTURING B.V. | MERCEDITA, PR | 2024 | — | — | — |
| ALLIED POWER GROUP | HOUSTON, TX | 2024 | — | — | — |
| PRODUCTION PRODUCTS CO | EAST SYRACUSE, NY | 2024 | — | — | — |
| HARSCO MINERALS BRIQUETTING LLC | EAST CHICAGO, IN | 2024 | — | — | — |
| ATI LADISH LLC | COON VALLEY, VILLAGE OF, WI | 2024 | — | — | — |
| ZAPP PRECISION STRIP,INC | DARTMOUTH, MA | 2024 | — | — | — |
| WAXAHACHIE PLANT | WAXAHACHIE, TX | 2024 | — | — | — |
| WYMAN-GORDON FORGINGS (CLEVELAND) INC | CLEVELAND, OH | 2024 | — | — | — |
| ANKER INDUSTRIES | TURTLE CREEK, PA | 2024 | — | — | — |
| KENNAMETAL | ASHEBORO, NC | 2024 | — | — | — |
| METALTEK INTL - WISCONSIN INVESTCAST | WATERTOWN, WI | 2024 | — | — | — |
| HITCHINER MANUFACTURING CO INC | MILFORD, NH | 2024 | — | — | — |
| ATI FORGED PRODUCTS | APPLETON, WI | 2024 | — | — | — |
| ATI ALLEGHENY LUDLUM FLAT ROLLED PRODUCTS PLANT | NEW BEDFORD, MA | 2024 | — | — | — |
| HUBBELL POWER SYSTEMS, INC ALLEN STREET COMPLEX | CENTRALIA, MO | 2024 | — | — | — |
| A&B PROCESS SYSTEMS | STRATFORD, WI | 2024 | — | — | — |
| BATESVILLE MANUFACTURING, INC | BATESVILLE, IN | 2024 | — | — | — |
| MILWAUKEE ELECTRIC TOOL CORP | GREENWOOD, MS | 2024 | — | — | — |
| HUNTINGTON ALLOYS CORP | HUNTINGTON, WV | 2024 | — | — | — |
| ELGILOY SPECIALTY METALS | ELGIN, IL | 2024 | — | — | — |
| KRUEGER INTERNATIONAL INC | BONDUEL, WI | 2024 | — | — | — |
| LENAPE FORGED PRODUCTS CORP | WEST CHESTER, PA | 2024 | — | — | — |
| FLINCHBAUGH ENGINEERING INC | YORK, PA | 2024 | — | — | — |
| G AND S BAR AND WIRE LLC | WOOSTER, OH | 2024 | — | — | — |
| TULSA BUS MFG PLANT | TULSA, OK | 2024 | — | — | — |
| BANNER MEDICAL | WARSAW, IN | 2024 | — | — | — |
| SUB ZERO/WOLF | FITCHBURG, WI | 2024 | — | — | — |
| SUMMIT MACHINING LLC | ONTARIO, CA | 2024 | — | — | — |
| METEM A GE POWER BUSINESS | ALLENTOWN, PA | 2024 | — | — | — |
| P I COMPONENTS | BRENHAM, TX | 2024 | — | — | — |
| METEM CORPORATION | PARSIPPANY, NJ | 2024 | — | — | — |
| TEREX LOAD KING DIV | ELK POINT, SD | 2024 | — | — | — |
| ATI POWDER METALS, LLC | OAKDALE, PA | 2024 | — | — | — |
| GOODRICH CORPORATION | TROY, OH | 2024 | — | — | — |
| KOVATCH CASTINGS | UNIONTOWN, OH | 2024 | — | — | — |
| HAYNES INTERNATIONAL INC | ARCADIA, LA | 2024 | — | — | — |
| CUSTOM TRUCK | KANSAS CITY, MO | 2024 | — | — | — |
| BANNER SERVICE CORPORATION | CAROL STREAM, IL | 2024 | — | — | — |
| MONROE TRUCK EQUIPMENT INC | MONROE, WI | 2024 | — | — | — |
| TEXAS METAL CASTING | LUFKIN, TX | 2024 | — | — | — |
| STONEPEAK CERAMICS INC | CROSSVILLE, TN | 2024 | — | — | — |
| GREAT RIVER INDUSTRIES LLC | NATCHEZ, MS | 2024 | — | — | — |
| DIVERSEY INC. - FLORENCE | FLORENCE, KY | 2024 | — | — | — |
| GREENHECK FAN CORPORATION - KINGS MOUNTAIN | KINGS MOUNTAIN, NC | 2024 | — | — | — |
| WOLF APPLIANCE INC | FITCHBURG, WI | 2024 | — | — | — |