Ensures regulatory compliance with federal, state, and local pretreatment regulations, including oversight of categorical industrial users (CIU`s), industrial users (IUs), significant industrial users (SIUs), non-permitted programs, and fats, oils, and grease (FOG) contributors. Program Administration: Develop, administer, and maintains the Industrial Pretreatment Program in compliance with applicable regulations, including the Clean Water Act, 40 CFR Part 403, state requirements, and local sewer ordinances.