Contents: Introduction; Understanding Our Water Resources (Infiltration in the Natural Environment, Filtration in the Natural Environment, Reduced Infiltration and Filtration in the Built Environment, Major Contaminants); Municipal Roles in Water Resource Protection (Overcoming Barriers to Better Stormwater Management, Model Ordinances, Land Use Regulations and Development Techniques, Regional Planning Commissions, State and Federal Roles in Water Resource Protection); Water Resource Challenges for Communities (Impervious Surfaces, The Storm in Stormwater); Opportunities for Communities (Land Conservation, Riparian Buffers, Minimizing Impervious Surfaces, Low Impact Development (Fact Sheet: Porous Pavement, Fact Sheet: Gravel Pavement, Fact Sheet: Bioretention/Rain Garden, Fact Sheet: Tree Box Filters)); Looking Forward; References and Resources.