This publication provides introductory technical guidance for civil engineers and other professional engineers and flood control managers interested in flood control engineering. Here is what is discussed: 1. RAINFALL AND SNOWFALL ANALYSIS, 2. INFILTRATION/LOSS ANALYSIS, 3. PRECIPITATION-TO-RUNOFF ANALYSIS, 4. SUB-SURFACE RUNOFF ANALYSIS, 5. STREAMFLOW FREQUENCY ANALYSIS, 6. STREAMFLOW AND RESERVOIR ROUTING.