♦ Carcinogen
Arsenic
CAS # 7440-38-2
7,135,562 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)
+243% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 384,798 | 52 | — |
| 2016 | 479,934 | 49 | +25% |
| 2017 | 411,046 | 51 | -14% |
| 2018 | 773,351 | 52 | +88% |
| 2019 | 382,101 | 27 | -51% |
| 2020 | 417,665 | 59 | +9% |
| 2021 | 541,461 | 63 | +30% |
| 2022 | 1,560,366 | 56 | +188% |
| 2023 | 863,192 | 53 | -45% |
| 2024 | 1,321,647 | 57 | +53% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Public Administration | 0 | 1 |
| Administrative and Support and Waste Management | 4,645,010 | 24 |
| Mining, Quarrying, and Oil and Gas Extraction | 1,405,871 | 9 |
| Manufacturing | 975,245 | 71 |
| Utilities | 109,430 | 2 |
| Wholesale Trade | 5 | 4 |
| Transportation and Warehousing | 0 | 1 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
SCATTERGOOD GENERATING STATION
PLAYA DEL REY, CA
|
0.00 mg/L | 0.00 | +2,147,483,650% | Dec 2015 |
|
PALOMAR ENERGY
ESCONDIDO, CA
|
0.01 mg/L | 0.00 | +2,147,483,650% | Dec 2017 |
|
COLUMBIA MUNICIPAL POWER PLANT
COLUMBIA, MO
|
0.02 mg/L | 0.00 | +2,147,483,650% | Dec 2021 |
|
TROYER WATER SYSTEM
MIDDLEFIELD, OH
|
0.00 kg/d | 0.00 | +2,147,483,650% | Jan 2015 |
|
SCATTERGOOD GENERATING STATION
PLAYA DEL REY, CA
|
0.00 mg/L | 0.00 | +2,147,483,650% | Dec 2015 |
|
COLUMBIA MUNICIPAL POWER PLANT
COLUMBIA, MO
|
0.02 mg/L | 0.00 | +2,147,483,650% | Dec 2019 |
|
PALOMAR ENERGY
ESCONDIDO, CA
|
0.01 mg/L | 0.00 | +2,147,483,650% | Dec 2017 |
|
IDABEL PUBLIC WORKS AUTHORITY
IDABEL, OK
|
6.30 mg/L | 0.00 | +15,365,754% | Dec 2017 |
|
IDABEL PUBLIC WORKS AUTHORITY
IDABEL, OK
|
6.30 mg/L | 0.00 | +15,365,754% | Dec 2017 |
|
IDABEL PUBLIC WORKS AUTHORITY
IDABEL, OK
|
6.30 mg/L | 0.00 | +8,399,900% | Dec 2017 |
|
IDABEL PUBLIC WORKS AUTHORITY
IDABEL, OK
|
6.30 mg/L | 0.00 | +8,399,900% | Dec 2017 |
|
COTTER CORP SCHWARTZWALDER MINE
GOLDEN, CO
|
0.11 mg/L | 0.00 | +539,900% | Jun 2025 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +289,900% | Jul 2015 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +289,900% | Jun 2015 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +262,900% | Aug 2015 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +259,900% | Mar 2016 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +259,900% | Feb 2016 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +256,567% | Jan 2016 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +249,900% | Dec 2015 |
|
TOMAHAWK TRUCK STOPS
BRIGHTON, CO
|
0.01 mg/L | 0.00 | +246,567% | Apr 2016 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| TRI-STATE POLE & PILING, INC. | LUCEDALE, MS | 2024 | — | — | — |
| CHEM OIL CARSON TANK FARM | CARSON, CA | 2024 | — | — | — |
| FEDERAL CARTRIDGE CO-SPEER | LEWISTON, ID | 2024 | — | — | — |
| CHEMOIL CORP | LONG BEACH, CA | 2024 | — | — | — |
| ANVIL QUALITY ACTIVEWEAR INCORPORATED | KINGS MOUNTAIN, NC | 2024 | — | — | — |
| TEXAS METAL CASTING | LUFKIN, TX | 2024 | — | — | — |
| MSSC | HOPKINSVILLE, KY | 2024 | — | — | — |
| B & M WOOD PRODUCTS INC | MANOR, GA | 2024 | — | — | — |
| HANKOOK ATLASBX | CLARKSVILLE, TN | 2024 | — | — | — |
| HYDROLAKE INC | MC BAIN, MI | 2024 | — | — | — |
| CULPEPER WOOD PRESERVERS | SHELBYVILLE, IN | 2024 | — | — | — |
| POREX TECHNOLOGIES CORPORATION | ST. CHARLES, MI | 2024 | — | — | — |
| TROJAN BATTERY CO- LITHONIA | LITHONIA, GA | 2024 | — | — | — |
| STEINKAMP WAREHOUSE INC | HUNTINGBURG, IN | 2024 | — | — | — |
| THUNDERBOLT WOOD TREATING | RIVERBANK, CA | 2024 | — | — | — |
| CLEAN HARBORS OF CT FIELD SERVICES | BRISTOL, CT | 2024 | — | — | — |
| MW/MB, LLC | CLARKSVILLE, TN | 2024 | — | — | — |
| CPP CASTING LINE | EVERETT, WA | 2024 | — | — | — |
| PEERLESS OIL & CHEMICALS, INC - PENUELAS | PENUELAS, PR | 2024 | — | — | — |
| US CHEMICAL | WATERTOWN, WI | 2024 | — | — | — |
| TROJAN BATTERY CO - SANDERSVILLE | SANDERSVILLE, GA | 2024 | — | — | — |
| GATE PRECAST CONCRETE | KISSIMMEE, FL | 2024 | — | — | — |
| DIVERSEY INC. - FLORENCE | FLORENCE, KY | 2024 | — | — | — |
| CHARTER AARROWCAST | SHAWANO, WI | 2024 | — | — | — |
| LAVELLE COMPANY | FARGO, ND | 2024 | — | — | — |
| CLEAN HARBORS GRASSY MOUNTAIN LLC | GREENHAVEN, UT | 2024 | 653,788 | 29 | — |
| US ECOLOGY | ROBSTOWN, TX | 2024 | 96,531 | — | 18 |
| SANDERS LEAD COMPANY | TROY, AL | 2024 | 92,634 | 9 | 2 |
| U.S. ECOLOGY, INC. - NEVADA (BEATTY, NV) | BEATTY, NV | 2024 | 92,307 | 4 | — |
| FREEPORT-MCMORAN SIERRITA, INC. | GREEN VALLEY, AZ | 2024 | 86,000 | — | — |
| VICKERY ENVIRONMENTAL INC | VICKERY, OH | 2024 | 75,288 | — | — |
| REPUBLIC INDUSTRIAL AND ENERGY SOLUTIONS | ROMULUS, MI | 2024 | 50,152 | — | 20 |
| CHINO MINES CO MINE CONCENTRATOR-SXEW PLANTS | VANADIUM, NM | 2024 | 50,000 | — | — |
| CLIMAX MOLYBDENUM | CLIMAX, CO | 2024 | 40,000 | — | — |
| FREEPORT-MCMORAN BAGDAD INC | BAGDAD, AZ | 2024 | 30,000 | — | — |
| LARAWAY REFUSE-DERIVED FUEL (RDF) | JOLIET, IL | 2024 | 14,474 | — | — |
| CHEMICAL WASTE MANAGEMENT - LAKE CHARLES FACILITY | SULPHUR, LA | 2024 | 12,003 | — | 3 |
| CHEMICAL WASTE MANAGEMENT LANDFILL | ARLINGTON, OR | 2024 | 11,840 | — | — |
| CLIMAX MOLYBDENUM-HENDERSON MILL | PARSHALL, CO | 2024 | 11,000 | — | — |
| HONEYWELL INTERNATIONAL INC - GEISMAR COMPLEX | GEISMAR, LA | 2024 | 5,242 | 78 | 1,576 |
| OLIN WINCHESTER LLC | EAST ALTON, IL | 2024 | 304 | 1 | 303 |
| PDM BRIDGE LLC | WAUSAU, WI | 2024 | 21 | 21 | — |
| GREDE II, LLC - BREWTON | BREWTON, AL | 2024 | 17 | 16 | 1 |
| REMINGTON ARMS | LONOKE, AR | 2024 | 10 | 10 | — |
| VOESTALPINE | PORTLAND, TX | 2024 | 9 | 2 | 4 |
| KOBE COPPER PRODUCTS INCORPORATED | PINE HALL, NC | 2024 | 8 | — | 8 |
| MAYCO INDUSTRIES INC | BIRMINGHAM, AL | 2024 | 7 | 7 | 0 |
| EAST PENN MFG CO INC/BATTERY ASSEMBLY | LYONS, PA | 2024 | 6 | 3 | — |
| SUNSHINE SILVER MINE | KELLOGG, ID | 2024 | 4 | — | 4 |
| AIR BP FUELING OPERATIONS INTERNATIONAL AIRPORT DULLES | STERLING, VA | 2024 | 1 | 1 | — |