Storm Water Inspection & Maintenance Services, Inc.Mr. Koffman manages projects throughout the Northwestern States, with a strong focus on the California Sacramento and San Joaquin Valley. He provides technical expertise in relation to stormwater compliance solutionsand works closely with property managers, municipalities, general contractors, Caltrans and the Army Corp of Engineers. Mr. Koffman is a qualified SWPPP developer and qualified SWPPP practitioner through theCalifornia Storm Water Quality Association. He is also a certified professional in erosion and sediment control, and a certified inspector of erosion and sediment control.