The minimum diameter for public storm sewer pipes shall be 15 inches for inlet headwalls and 12 inches for systems with a catch basin at the initial point. Driveway entrance pipes shall be a minimum of 12 inches. Smaller pipe sizes may be approved by the approving agency for detention basin outlets on a case-by-case basis. Such pipes shall not be smaller than six inches in order to prevent clogging.
(Ord. 012-118, passed 10-8-2012)