# Ohio — Dam safety hazard classification, inspection frequency, and owner obligations by US state For Ohio, hazard classification is Class I; classification criteria is probable loss of life; inspection frequency is periodic; mandatory is yes; inspector qualification is Chief of the Division of Water Resources, recorded from its source on 2026-08-18. - **State:** Ohio _(verified: appears in the quote below)_ - **Hazard classification:** Class I _(verified: appears in the quote below)_ - **Classification criteria:** probable loss of life _(verified: appears in the quote below)_ - **Inspection frequency:** periodic _(verified: appears in the quote below)_ - **Mandatory:** yes _(our reading, not quoted from the source)_ - **Inspector qualification:** Chief of the Division of Water Resources _(verified: appears in the quote below)_ - **Statute:** 1501:21-13 _(verified: appears in the quote below)_ ## What the source says > Class I — probable loss of life ## Source - https://ohiodnr.gov/rules-and-regulations/rules-and-regulations-by-division/water-resources/dam-levee-classification - https://codes.ohio.gov/ohio-administrative-code/rule-1501:21-21-01 Last verified: 2026-08-18. Review by: 2027-08-18. Part of [Dam safety hazard classification, inspection frequency, and owner obligations by US state](https://referencesource.org/state-dam-safety-classification/).