1. Minimize water quality degradation and sedimentation in streams, ponds, lakes, wetlands and other water bodies;

2. Minimize the impact of increased runoff, erosion and sedimentation caused by land development and maintenance practices;

3. Maintain and protect ground water resources;

4. Minimize adverse impacts of alterations on ground and surface water quantities, locations and flow patterns;

5. Decrease potential landslide, flood and erosion damage to public and private property;

6. Promote site planning and construction practices that are consistent with natural topographical, vegetational and hydrologic conditions;

7. Maintain and protect the city storm water management infrastructure and those downstream;

8. Provide a means of regulating the contribution of pollutants to the municipal storm water system from all non-storm water discharges, illicit connections, or illegal dumping into the municipal storm water system by any person or from any property within the city of Algona;

9. Provide a means of regulating clearing and grading of private and public land while minimizing water quality impacts in order to protect public health and safety; and

10. Provide minimum development regulations and construction procedures which will preserve, replace or enhance, to the maximum extent practicable, existing vegetation to preserve and enhance the natural quality of lands, wetlands and water bodies. (Ord. 1032-10 § 2).