Chromium
CAS # 7440-47-3
39,879,187 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)
-45% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 4,444,309 | 2,503 | — |
| 2016 | 5,680,919 | 2,488 | +28% |
| 2017 | 5,370,565 | 2,529 | -5% |
| 2018 | 6,192,641 | 2,572 | +15% |
| 2019 | 2,727,457 | 1,482 | -56% |
| 2020 | 3,925,273 | 2,507 | +44% |
| 2021 | 3,500,719 | 2,513 | -11% |
| 2022 | 3,047,484 | 2,523 | -13% |
| 2023 | 2,546,983 | 2,511 | -16% |
| 2024 | 2,442,838 | 2,480 | -4% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Mining, Quarrying, and Oil and Gas Extraction | 25,995,976 | 28 |
| Administrative and Support and Waste Management | 10,862,434 | 46 |
| Manufacturing | 2,217,441 | 3,740 |
| Utilities | 634,273 | 8 |
| Public Administration | 160,683 | 13 |
| Wholesale Trade | 3,357 | 14 |
| Other Services | 2,541 | 13 |
| Transportation and Warehousing | 2,078 | 7 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
PALOMAR ENERGY
ESCONDIDO, CA
|
0.00 mg/L | 0.00 | +2,147,483,650% | Dec 2017 |
|
PALOMAR ENERGY
ESCONDIDO, CA
|
0.10 mg/L | 0.00 | +2,147,483,650% | Dec 2017 |
|
PALOMAR ENERGY
ESCONDIDO, CA
|
0.10 mg/L | 0.00 | +2,147,483,650% | Dec 2017 |
|
PALOMAR ENERGY
ESCONDIDO, CA
|
0.00 mg/L | 0.00 | +2,147,483,650% | Dec 2017 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
3.96 kg/d | 0.00 | +548,328% | Feb 2022 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
3.28 kg/d | 0.00 | +453,988% | Mar 2022 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.64 kg/d | 0.00 | +365,309% | Oct 2021 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.28 kg/d | 0.00 | +315,623% | Jan 2022 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.26 kg/d | 0.00 | +313,108% | Nov 2021 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.26 kg/d | 0.00 | +313,108% | Sep 2021 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
3.96 kg/d | 0.00 | +221,783% | Feb 2022 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
3.28 kg/d | 0.00 | +183,615% | Mar 2022 |
|
US STEEL - MIDWEST PLANT
PORTAGE, IN
|
409.87 kg/d | 0.23 | +176,920% | Apr 2017 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.64 kg/d | 0.00 | +147,737% | Oct 2021 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.28 kg/d | 0.00 | +127,635% | Jan 2022 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.26 kg/d | 0.00 | +126,618% | Sep 2021 |
|
FRANKLIN MANOR WWTP
BEECH BOTTOM, WV
|
2.26 kg/d | 0.00 | +126,618% | Nov 2021 |
|
VALERO REFINING COMPANY-CALIF
BENICIA, CA
|
722.00 mg/L | 0.60 | +120,233% | Jan 2016 |
|
VALERO REFINING COMPANY-CALIF
BENICIA, CA
|
601.00 mg/L | 0.60 | +100,067% | Jan 2017 |
|
DESC GREENLAKE
SEATTLE, WA
|
0.00 mg/L | 0.02 | +99,999% | Aug 2022 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| ECOLAB INC | ROSCOE, IL | 2024 | — | — | — |
| CTP, DIVISION OF TUE PROCESSING | INDIANAPOLIS, IN | 2024 | — | — | — |
| WIRE AND CABLE SPECIALTIES, INC. | COATESVILLE, PA | 2024 | — | — | — |
| WYNRIGHT CORPORATIONNP | HOBART, IN | 2024 | — | — | — |
| SUMMIT MACHINING LLC | ONTARIO, CA | 2024 | — | — | — |
| CATERPILLAR TRACTOR CO | PONTIAC, IL | 2024 | — | — | — |
| ASPEQ HEATING GROUP | CUBA, MO | 2024 | — | — | — |
| MD PRECISION SPRING | ESSEX, MD | 2024 | — | — | — |
| BANNER MEDICAL | WARSAW, IN | 2024 | — | — | — |
| GREENBRIER CENTRAL, LLC - PARAGOULD | PARAGOULD, AR | 2024 | — | — | — |
| BIMBA MANUFACTURING CO | UNIVERSITY PARK, IL | 2024 | — | — | — |
| SOMASCHINI NORTH AMERICA | SOUTH BEND, IN | 2024 | — | — | — |
| TRIPLEX PLATING INC. | MICHIGAN CITY, IN | 2024 | — | — | — |
| HOFFMAN ENCLOSURE DBA PENTAIR EQUIPMENT PROTECTION | ANOKA, MN | 2024 | — | — | — |
| ARCOSA MARINE COMPONENTS, LLC (PLANT - 1080 DBA WINTECH) | BOSSIER CITY, LA | 2024 | — | — | — |
| POWER SYSTEMS MFG., LLC | JUPITER, FL | 2024 | — | — | — |
| TRIUMPH FABRICATIONS-PHOENIX | CHANDLER, AZ | 2024 | — | — | — |
| HONEYWELL INTERNATIONAL INC | FREEPORT, IL | 2024 | — | — | — |
| EVAPCO - GREENUP, IL | GREENUP, IL | 2024 | — | — | — |
| MACLEAN CURTIS LLC | MOORESVILLE, NC | 2024 | — | — | — |
| PARKER HANNIFIN CORP | GLENDALE, AZ | 2024 | — | — | — |
| HOFFMAN ENCLOSURES INC | ANOKA, MN | 2024 | — | — | — |
| MARSHALLTOWN TOOLS | FAYETTEVILLE, AR | 2024 | — | — | — |
| MATALCO LLC - BLUFFTON | BLUFFTON, IN | 2024 | — | — | — |
| NEW STANDARD CORP | YORK, PA | 2024 | — | — | — |
| MUNTERS | SELMA, TX | 2024 | — | — | — |
| SCOUGAL RUBBER CO | MCCARRAN, NV | 2024 | — | — | — |
| BUHRT ENGINEERING, INC.-TREATMENT PLANT #1 | WARSAW, IN | 2024 | — | — | — |
| KIMBER MFG., INC. | YONKERS, NY | 2024 | — | — | — |
| CATERPILLAR INC.-MAPLETON | MAPLETON, IL | 2024 | — | — | — |
| CATERPILLAR INC | DECATUR, IL | 2024 | — | — | — |
| PARKER HANNIFIN MT HOLLY FAC | MONCKS CORNER, SC | 2024 | — | — | — |
| ALLIED MINERAL | BROWNSVILLE, TX | 2024 | — | — | — |
| JACKSON MACHINE SALES CO INC | BARBOURVILLE, KY | 2024 | — | — | — |
| CARDINAL GLASS IG | OCALA, FL | 2024 | — | — | — |
| WOODWARD FST | GREENVILLE, SC | 2024 | — | — | — |
| LIPPERT COMPONENTS | RIALTO, CA | 2024 | — | — | — |
| DODGE POWER TRANSMISSION COMPANY | WEAVERVILLE, NC | 2024 | — | — | — |
| TULSA CENTERLESS BAR PROCESSING, INC. | TULSA, OK | 2024 | — | — | — |
| RELCO | WILLMAR, MN | 2024 | — | — | — |
| COOPER B LINE LLC | PINCKNEYVILLE, IL | 2024 | — | — | — |
| BTD MFG INC | LAKEVILLE, MN | 2024 | — | — | — |
| NATIONAL RIVET & MANUFACTURING COMPANY | WAUPUN, WI | 2024 | — | — | — |
| TYCO VALVES & CONTROLS HARLINGEN | HARLINGEN, TX | 2024 | — | — | — |
| HUBBELL - WIEGMANN | FREEBURG, IL | 2024 | — | — | — |
| INDUSTRIAL FABRICATION SERVICES INC | LAKE CRYSTAL, MN | 2024 | — | — | — |
| ARTHREX MANUFACTURING INC | IMMOKALEE, FL | 2024 | — | — | — |
| WORTHINGTON STEEL CO | COLUMBUS, OH | 2024 | — | — | — |
| PROSPECT STEEL COMPANY | LITTLE ROCK, AR | 2024 | — | — | — |
| ALLIED TUBE & CONDUIT | HARVEY, IL | 2024 | — | — | — |