§ 13.3.2.5. Freeboard

Latest version.

A detention basin should be designed to contain the one hundred (100) year ultimate water surface below the top of basin. The design engineer should determine if additional freeboard is required to mitigate a larger storm event from overtopping the basin.

Should the detention facility or basin meet the TCEQ requirements for a dam under their review, then the design of the dam shall meet the TCEQ freeboard requirements.

                    
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