04. Public Notification Rule & Consumer Confidence Reports (CCR) – Practice Quiz

Practice U.S. federal drinking-water compliance decisions: Tier 1 (24-hour), Tier 2 (30-day), Tier 3 (12-month) notice; Annual CCR requirements; Record retention timeframes. 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.