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Oklahoma Toxic Release Map: 362 Facilities, 28.6M lbs

Oklahoma reported 362 facilities releasing 28.6M lbs of toxic chemicals in the most recent EPA Toxic Release Inventory dataset, ranking #29 nationally out of 50 states. The dominant release pathway is air, accounting for 63.9% of the state total. Oklahoma’s leading TRI industry is Chemicals, contributing 39.7% of all state releases. Use the map below to explore facilities by location, or filter by air, water, or land discharges.

Dominant Release Type
Air
Water
Land
Mixed
Circle = Release Volume
< 1K lbs
1K-100K lbs
> 100K lbs

Oklahoma’s Toxic Release Profile

MetricValue
Total Releases28.6M lbs
Reporting Facilities362
National Rank#29 of 50 states
Air Releases18.3M lbs (63.9%)
Water Releases4.2M lbs (14.8%)
Land Releases3.3M lbs (11.6%)

Top Industries in Oklahoma

IndustryTotal ReleasesShare
Chemicals11.4M lbs39.7%
Paper6.1M lbs21.3%
Food3.6M lbs12.7%
Hazardous Waste2.2M lbs7.8%
Petroleum1.2M lbs4.2%
Electric Utilities1.1M lbs4%
Fabricated Metals611K lbs2.1%
Primary Metals598K lbs2.1%
Plastics and Rubber398K lbs1.4%
Wood Products355K lbs1.2%
Nonmetallic Mineral Product317K lbs1.1%
Transportation Equipment269K lbs0.9%
Other233K lbs0.8%
Electrical Equipment75K lbs0.3%
Machinery42K lbs0.1%
Printing30K lbs0.1%
Chemical Wholesalers15K lbs0.1%
Miscellaneous Manufacturing14K lbs0%
Petroleum Bulk Terminals6K lbs0%
Beverages5K lbs0%
Textiles2K lbs0%
Computers and Electronic Products1K lbs0%

Top Facilities in Oklahoma

FacilityCityIndustryTotal Releases
INTERNATIONAL PAPER COVALLIANTPaper5.9M lbs
KOCH FERTILIZER ENID LLCENIDChemicals4.3M lbs
TERRA NITROGEN LP VERDIGRIS PLANTCLAREMOREChemicals3.1M lbs
PRYOR SOLAEPRYORFood2.3M lbs
CLEAN HARBORS LONE MOUNTAIN LLC LONE MOUNTAIN FACILITYWAYNOKAHazardous Waste2M lbs

About the Data

Data sourced from the EPA Toxic Release Inventory (TRI) program. Facilities in covered industry sectors that manufacture, process, or use listed chemicals above threshold quantities must report annually. The map uses the most recent available EPA TRI dataset. Release volumes reflect regulatory reporting quantities and are not direct measures of health hazard or human exposure. For the full national picture and all-state rankings, visit the US Toxic Release Inventory Map.

Explore Neighboring States

For the complete national dataset and all-state rankings, visit the US Toxic Release Inventory Map.

About the Author
I'm Daniel O'Donohue, the voice and creator behind The MapScaping Podcast ( A podcast for the geospatial community ). With a professional background as a geospatial specialist, I've spent years harnessing the power of spatial to unravel the complexities of our world, one layer at a time.