Spokane Valley–Rathdrum Prairie Aquifer facts for kids

Quick facts for kids Spokane Valley–Rathdrum Prairie Aquifer
Map of the Aquifer
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Location	United States
Primary inflows	Lake Pend Oreille Lake Coeur d'Alene Hayden Lake Liberty Lake Shelley Lake Hauser Lake Newman Lake Spirit Lake Twin Lakes Blanchard Lake
Primary outflows	Spokane River
Surface area	370 square miles (960 km2)
Water volume	10 trillion gallons (12,000 km3)

The Spokane Valley–Rathdrum Prairie Aquifer is an aquifer located in the U.S. states of Washington and Idaho The aquifer is centralized under Spokane Valley and the Rathdrum Prairie, hence the name. The aquifer contains 10 trillion gallons (38 trillion liters) of water, and is part of the Columbia River Drainage Basin. The only watercourse that remains above the surface for an extended distance is the Spokane River. The area surrounding it receives an average of 15–30 inches (38–76 cm) of rain annually. The aquifer is the primary water source for the greater Spokane area, which is home to over 700,000 people.