Chlorine
CAS # 7782-50-5
54,826,981 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)
-48% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 4,882,374 | 644 | — |
| 2016 | 7,359,719 | 627 | +51% |
| 2017 | 14,119,219 | 593 | +92% |
| 2018 | 6,750,960 | 581 | -52% |
| 2019 | 979,950 | 337 | -85% |
| 2020 | 4,842,706 | 559 | +394% |
| 2021 | 9,162,686 | 554 | +89% |
| 2022 | 2,928,010 | 544 | -68% |
| 2023 | 1,245,507 | 527 | -57% |
| 2024 | 2,555,849 | 509 | +105% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 53,176,355 | 636 |
| Utilities | 1,166,626 | 45 |
| Public Administration | 193,523 | 6 |
| Administrative and Support and Waste Management | 118,267 | 10 |
| Arts, Entertainment, and Recreation | 69,320 | 1 |
| Wholesale Trade | 37,849 | 48 |
| Mining, Quarrying, and Oil and Gas Extraction | 35,171 | 12 |
| Construction | 26,354 | 2 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
WHITMER WATER ASSOCIATION WTP
WHITMER, WV
|
0.01 mg/L | 0.00 | +2,147,483,650% | Mar 2018 |
|
WHITMER WATER ASSOCIATION WTP
WHITMER, WV
|
0.01 mg/L | 0.00 | +2,147,483,650% | Mar 2018 |
|
WHITMER WATER ASSOCIATION WTP
WHITMER, WV
|
0.01 mg/L | 0.00 | +2,147,483,650% | Jun 2018 |
|
WHITMER WATER ASSOCIATION WTP
WHITMER, WV
|
0.01 mg/L | 0.00 | +2,147,483,650% | Jun 2018 |
|
E B M U D ORINDA WATER TRTMNT PLANT
ORINDA, CA
|
0.05 mg/L | 0.00 | +2,147,483,650% | Apr 2019 |
|
E B M U D ORINDA WATER TRTMNT PLANT
ORINDA, CA
|
0.05 mg/L | 0.00 | +2,147,483,650% | Apr 2019 |
|
OH/ INW/ BH/ NE 001-004
MARTINSBURG, WV
|
0.14 mg/L | 0.00 | +2,147,483,650% | Jan 2018 |
|
WVAW - CAVE QUARTER UTILITY-TREATMENT PLANT
CHARLES TOWN, WV
|
0.00 mg/L | 0.00 | +2,147,483,650% | Dec 2024 |
|
GLADE FARMS CAMPGROUND
BRUCETON MILLS, WV
|
0.07 mg/L | 0.00 | +2,147,483,650% | Sep 2019 |
|
NATIONAL RADIO OBSERVATORY
GREEN BANK, WV
|
0.00 mg/L | 0.00 | +2,147,483,650% | Dec 2023 |
|
RICHWOOD CITY OF
RICHWOOD, WV
|
0.03 mg/L | 0.00 | +2,147,483,650% | Feb 2015 |
|
WOODS II SUBDIVISION
MARTINSBURG, WV
|
0.52 mg/L | 0.00 | +2,147,483,650% | Oct 2017 |
|
GLADE FARMS CAMPGROUND
BRUCETON MILLS, WV
|
0.00 mg/L | 0.00 | +2,147,483,650% | Jun 2025 |
|
BIG FOUR WTP
KIMBALL, WV
|
0.45 mg/L | 0.00 | +2,147,483,650% | Dec 2021 |
|
CITY OF PASO ROBLES WASTEWATER TREATMENT FACILITY
PASO ROBLES, CA
|
0.03 mg/L | 0.00 | +2,147,483,650% | Dec 2018 |
|
SIZEMORE TRAILER PARK
MAYSEL, WV
|
0.10 mg/L | 0.00 | +2,147,483,650% | Mar 2020 |
|
GLADE FARMS CAMPGROUND
BRUCETON MILLS, WV
|
0.53 mg/L | 0.00 | +2,147,483,650% | Mar 2020 |
|
SENECA SHADOWS CAMPGROUND
SENECA ROCKS, WV
|
0.04 mg/L | 0.00 | +2,147,483,650% | Sep 2017 |
|
SENECA SHADOWS CAMPGROUND
SENECA ROCKS, WV
|
0.04 mg/L | 0.00 | +2,147,483,650% | Sep 2017 |
|
SIZEMORE TRAILER PARK
MAYSEL, WV
|
0.21 mg/L | 0.00 | +2,147,483,650% | Dec 2018 |