Rule 4781-12-12 | Storm water systems.
(A) Any person proposing development of a new manufactured home park or to any portion of an existing manufactured home park shall ensure that a storm water management system is provided to carry anticipated storm water discharges from the manufactured home park site. The storm water management system shall be adequate to carry anticipated storm water discharges equal in depth and velocity to those that would occur during a ten-year frequency storm, which is the storm having a ten per cent chance of occurring in any given year.
(B) Storm water management systems shall be designed and constructed in accordance with the 2018 "Manual of Location and Design, volume 2, Drainage Design," published by the Ohio department of transportation.
(C) The manufactured home park operator shall ensure that all storm water facilities, including but not limited to culverts, catch basins, and pipes, are maintained in a clean and free-flowing condition.