Contra Costa County |
Ordinance Code |
Title 9. SUBDIVISIONS |
Division 914. DRAINAGE |
Chapter 914-8. CONDUITS |
§ 914-8.016. Drainage facilities—Freeboard.
Latest version.
Storm drainage facilities shall allow for tidal action and flood stage where applicable. The hydraulic pressure elevation in any storm drainage facility shall be at least fifteen inches below the top of any inlet grate or manhole.
(Ords. 89-28. 78-5).