SEWAGE HOLDING TANK CAPACITY AND DRAINAGE. 5-401.11

A. A sewage holding tank in a mobile food unit or seasonal temporary food establishment must be: (1) sized 15 percent larger in capacity than the water supply tank; and (2) sloped to a drain that is 1 inch (25 millimeters) in inner diameter or greater, and equipped with a shut-off valve. B. The sewage must not be discharged on the ground. C. The regulatory authority may approve an alternate method for conveying and disposing of sewage from a mobile food unit or seasonal temporary food establishment in lieu of a waste-holding tank. The alternative method of conveying and disposing of sewage must meet the requirements of part 4626.1200 .