03. Surface Water Treatment Rules (SWTR, IESWTR, LT1/LT2) – Practice Quiz

Practice U.S. federal drinking-water compliance decisions: Turbidity standard (<= 0.30 NTU in 95% of readings); Individual filter monitoring triggers; Multi-barrier log removal credits. For Grades 1 and 2 operators; assumes familiarity with plant and distribution terminology. Regulatory baseline checked November 3, 2026; scenarios identify future CCR requirements explicitly. State requirements may be more stringent.