This procedural ordinance contains requirements for new vineyard development and replanting of existing vineyards in order to reduce soil erosion and resulting sedimentation into area streams. This ordinance contains detailed requirements for certified engineers, and disclosure and notification (to buyers and public). It contains requirements for slope location (i.e. perimeter), maximum slope percentages, and erosion control plans. It classifies vinyeyards into Level I, II, or III, with each level having variable requirements for review, inspection, riparian setbacks, etc. Highly erodible soils are identified, and stormwater management systems, and sediment control systems required to be in place.