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Toxic Release Facilities in Ohio

1,269 toxic release facilities in 296 cities and 86 counties · Data as of 10/25/2026

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Toxic release facilities in Ohio at a glance

  • With a population of 11,810,293, Ohio has 1,269 toxic release facilities (1.1 per 10,000 people).
  • Per person, that is 69% above the national rate (0.64 per 10,000).
  • It ranks 2nd among the states by number of toxic release facilities.
  • The largest group is Chemicals Facility (19%), ahead of Fabricated Metals Facility and Primary Metals Facility.
  • Cleveland (58), Columbus (44) and Cincinnati (29) have the most, 10% of the state total combined.

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All toxic release facilities in Ohio

1,269 listed, A to Z · Page 1 of 43

Frequently asked questions

How many toxic release facilities are in Ohio?
There are 1,269 toxic release facilities in Ohio in our data as of 10/25/2026.
Which Ohio cities have the most toxic release facilities?
Cleveland (58), Columbus (44), Cincinnati (29), Akron (20), Toledo (20).