(1) Land-disturbing activities on agricultural land for production of plants and animals useful to man, except that the construction of agricultural structures and other major buildings which require the issuance of a building permit shall require the submittal and approval of a storm water management plan prior to the start of the land-disturbing activity.

(2) Improvements to existing single-family structures or their accessory buildings that disturb less than five thousand square feet of land, or add less than five thousand square feet of impervious area. However, construction site sediment controls as specified in Selah Municipal Code Chapter 9.24 pertaining to construction site access and tracking of sediment onto public roads shall apply.

(3) Storm water from any site covered under an existing NPDES individual permit in which storm water management and/or treatment requirements are included for all storm water discharges associated with construction activity. (Ord. 1799, § 1, 2010.)