The purpose of this chapter is to protect, maintain, and enhance the public health, safety, and general welfare by establishing minimum requirements and procedures to control the adverse impacts associated with increased storm and surface water runoff. Proper management of storm and surface water runoff and implementation of low impact development (LID) practices will minimize damage to public and private property, reduce the effects of development on land and stream channel erosion and sedimentation, assist in the attainment and maintenance of water quality standards, reduce local flooding, and maintain, post-development, as nearly as possible, the predevelopment runoff characteristics, while complying with the Stormwater Management Manual for Western Washington (SWMMWW) and the city’s National Pollution Discharge Elimination System (NPDES) Western Washington Phase II Municipal Stormwater Permit as issued, and as may be amended, by the Washington State Department of Ecology. This chapter also establishes a storm and surface water system as a utility service of the city.