Ohio Admin. Code 1501:21-13-07

Current through all regulations passed and filed through November 4, 2024
Section 1501:21-13-07 - Freeboard requirements for dams

Sufficient freeboard shall be provided to prevent overtopping of the top of the dam due to passage of the design flood and other factors including, but not limited to, ice and wave action. The chief may approve a lower freeboard if the dam is armored against overtopping erosion.

(A) For class I and class II dams that are upground reservoirs, the minimum elevation of the top of the dam shall be at least five feet higher than the elevation of the designed maximum operating pool level unless otherwise approved by the chief.
(B) For class III dams that are upground reservoirs, the minimum elevation of the top of the dam shall be at least three feet higher than the elevation of the designed maximum operating pool level unless otherwise approved by the chief.

Ohio Admin. Code 1501:21-13-07

Effective: 6/27/2024
Five Year Review (FYR) Dates: 3/3/2028
Promulgated Under: 119.03
Statutory Authority: 1521.06
Rule Amplifies: 1521.06, 1521.061, 1521.062
Prior Effective Dates: 04/15/1972, 10/15/1981, 01/16/2005