•3.1.1 Columbia River Water Quality Index •3.1.2 Pend Oreille River Water Quality Index •3.1.3 Kettle River Water Quality Index •3.1.4 Colville River Min & Average Flow Levels •3.1.5 Kettle River Min & Average Flow Levels •3.1.6 Pend Oreille River Min & Average Flow •3.1.7 Columbia River Min & Average Flow Levels
•3.2.1 Population Density •3.2.2 Population in Unincorporated Areas •3.2.3 Acres of Irrigated Land
