Most nonpoint sources are related to land use activities.
The lessons contained in the Environmental Resource Guide - Nonpoint Source Pollution Prevention books are about pollution produced by runoff from urban areas, construction activities, agricultural activities, mining andforestry. The lessons are very complete and well designed. Fact sheets are prepared for each of the lessons. We have several lawn care brochures and calendars which are free of charge. This book contains lessons on drinking and wastewater treatment, surface water, groundwater and wetlands.