Mark Peterson, P.E., M.ASCE, has a BS and an MS degree from Montana State University. He has been practicing engineering for 30 years and is a registered engineer in Montana, Wyoming, North Dakota, South Dakota and Minnesota. He has worked in state government in highway design and subdivision review. He has also worked as a consultant for over 14 years. He is currently a senior design engineer with Advanced Engineering and Environmental Services in Helena, MT with primary responsibility for municipal pipelines, rural water system design, and storm water design. He has taught five other seminars for ASCE, including “Introduction to Detention Pond Design,” “Pipe Selection for Municipal Facilities,” “Storm Sewer Design using SWMM,” “Practical Hydrology for Rural and Urban Watersheds” and “Storm Water Treatment using Detention Ponds and Commercial Devices,” and has been published in the ASCE Journal of Hydraulic Engineering.