Erik Wardle is the manager of the Colorado State University Water Quality Program in the soil and crop science department. In this position he does extensive research, writing and extension work related to agricultural water quality issues including pesticide use, nutrient management, soil moisture monitoring, groundwater/surface water interactions, conservation tillage and irrigation water management. He supports the development, validation and promotion of agricultural best management practices that allow chemical users to use these products appropriately while preventing the contamination of surface and groundwater in Colorado. He works closely with the agricultural community to ensure that research and outreach efforts provide practical, real-world solutions to water quality issues in agriculture.