Out of 59 counties with PHMSA gas distribution data, these are the counties with the highest incident risk.
| Statistic | Value |
|---|---|
| Counties ranked | 59 |
| Total incidents (top 100) | 112 |
| Total fatalities (top 100) | 7 |
Top 59 Counties
| Rank | County | State | Incidents | Fatalities | Latest Year | Risk Score |
|---|---|---|---|---|---|---|
| 1 | Cuyahoga | Ohio | 14 | 2 | 2025 | 45/100 |
| 2 | Franklin | Ohio | 10 | 0 | 2025 | 8/100 |
| 3 | Lucas | Ohio | 7 | 0 | 2021 | 4/100 |
| 4 | Henry | Ohio | 7 | 0 | 2021 | 4/100 |
| 5 | Licking | Ohio | 5 | 0 | 2023 | 5/100 |
| 6 | Knox | Ohio | 5 | 0 | 2023 | 5/100 |
| 7 | Wayne | Ohio | 4 | 0 | 2024 | 45/100 |
| 8 | Summit | Ohio | 4 | 0 | 2024 | 6/100 |
| 9 | Stark | Ohio | 4 | 0 | 2024 | 6/100 |
| 10 | Hamilton | Ohio | 4 | 0 | 2024 | 5/100 |
| 11 | Columbiana | Ohio | 3 | 0 | 2020 | 63/100 |
| 12 | Mahoning | Ohio | 3 | 1 | 2024 | 63/100 |
| 13 | Lake | Ohio | 3 | 1 | 2024 | 10/100 |
| 14 | Harrison | Ohio | 3 | 0 | 2025 | 5/100 |
| 15 | Delaware | Ohio | 3 | 0 | 2024 | 4/100 |
| 16 | Butler | Ohio | 3 | 0 | 2020 | 4/100 |
| 17 | Lorain | Ohio | 2 | 0 | 2017 | 45/100 |
| 18 | Clark | Ohio | 2 | 2 | 2016 | 16/100 |
| 19 | Huron | Ohio | 2 | 0 | 2017 | 6/100 |
| 20 | Erie | Ohio | 2 | 0 | 2019 | 3/100 |
| 21 | Lawrence | Ohio | 2 | 0 | 2020 | 3/100 |
| 22 | Trumbull | Ohio | 2 | 0 | 2022 | 2/100 |
| 23 | Shelby | Ohio | 2 | 0 | 2020 | 2/100 |
| 24 | Geauga | Ohio | 1 | 0 | 2023 | 45/100 |
| 25 | Warren | Ohio | 1 | 0 | 2010 | 13/100 |
| 26 | Clinton | Ohio | 1 | 0 | 2010 | 13/100 |
| 27 | Medina | Ohio | 1 | 0 | 2007 | 6/100 |
| 28 | Tuscarawas | Ohio | 1 | 0 | 2006 | 5/100 |
| 29 | Clermont | Ohio | 1 | 1 | 2010 | 5/100 |
| 30 | Guernsey | Ohio | 1 | 0 | 2006 | 4/100 |
| 31 | Marion | Ohio | 1 | 0 | 2024 | 3/100 |
| 32 | Portage | Ohio | 1 | 0 | 2023 | 3/100 |
| 33 | Muskingum | Ohio | 1 | 0 | 2009 | 1/100 |
| 34 | Miami | Ohio | 1 | 0 | 2004 | 1/100 |
| 35 | Scioto | Ohio | 1 | 0 | 2019 | 1/100 |
| 36 | Washington | Ohio | 1 | 0 | 2021 | 1/100 |
| 37 | Allen | Ohio | 1 | 0 | 2008 | 1/100 |
| 38 | Wood | Ohio | 1 | 0 | 2006 | 0/100 |
| 39 | Hancock | Ohio | 1 | 0 | 2006 | 0/100 |
| 40 | Richland | Ohio | 0 | 0 | — | 45/100 |
| 41 | Greene | Ohio | 0 | 0 | — | 16/100 |
| 42 | Champaign | Ohio | 0 | 0 | — | 15/100 |
| 43 | Logan | Ohio | 0 | 0 | — | 15/100 |
| 44 | Ashtabula | Ohio | 0 | 0 | — | 10/100 |
| 45 | Coshocton | Ohio | 0 | 0 | — | 5/100 |
| 46 | Holmes | Ohio | 0 | 0 | — | 4/100 |
| 47 | Union | Ohio | 0 | 0 | — | 4/100 |
| 48 | Ottawa | Ohio | 0 | 0 | — | 4/100 |
| 49 | Preble | Ohio | 0 | 0 | — | 4/100 |
| 50 | Crawford | Ohio | 0 | 0 | — | 3/100 |
| 51 | Sandusky | Ohio | 0 | 0 | — | 3/100 |
| 52 | Jackson | Ohio | 0 | 0 | — | 3/100 |
| 53 | Wyandot | Ohio | 0 | 0 | — | 1/100 |
| 54 | Seneca | Ohio | 0 | 0 | — | 1/100 |
| 55 | Athens | Ohio | 0 | 0 | — | 1/100 |
| 56 | Morgan | Ohio | 0 | 0 | — | 1/100 |
| 57 | Carroll | Ohio | 0 | 0 | — | 1/100 |
| 58 | Ashland | Ohio | 0 | 0 | — | 1/100 |
| 59 | Adams | Ohio | 0 | 0 | — | 1/100 |
Methodology
County rankings for Ohio based on total PHMSA gas distribution incidents reported since 2004.
Data source: U.S. DOT Pipeline and Hazardous Materials Safety Administration (PHMSA), Gas Distribution System Incident Reports 2004-2026. Last updated: 2026-06-04.
Frequently Asked Questions
What is a gas distribution incident?
Gas distribution incidents involve failures in the local natural gas pipeline network — leaks, ruptures, explosions, and equipment failures that can cause property damage, injuries, and fatalities. PHMSA requires all operators to report significant incidents.
How can I protect my home?
Install CO detectors on every level (CPSC recommendation). Have gas appliances inspected annually. Know the signs of a gas leak: rotten egg smell, hissing near gas lines, dead vegetation near pipelines. If you suspect a leak, leave immediately and call 911.