All developments and uses proposed for lands bordering Woodland Creek in sub-areas 6 and 7 shall be required to maintain a two-hundred-foot in depth natural buffer from the ordinary high water mark on both sides of the creek. Within this buffer area, no development or use shall be permitted except for natural open spaces, trails, passive recreational activities, streets and utility services. Stormwater runoff directed to Woodland Creek shall be pretreated to mitigate water quality impacts as approved by the city. (Ord. 1131 §§1 (repeals), 3, 2000; Ord. 1120 §28, 1999; Ord. 1098 §14(C), 1999; Ord. 871 §2 (part), 1989).