USGS Washington Water Science Center
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Located in northwestern Washington State, the Dungeness River and its tributaries drain about 200 square miles, mostly in the Olympic Mountains to the south. After emerging from the mountains, the river flows for about 11 miles northward across an area with a shallow water-table aquifer before emptying into the Strait of Juan de Fuca. Water in the Dungeness River and the shallow aquifer are closely related, although the amounts and seasonal variations of water exchange between them are uncertain or unknown.
To provide water-resource managers with information needed to manage water in the area for the competing needs of drinking water from ground water, irrigation water from the Dungeness River, and salmon habitat in the Dungeness River, the USGS is studying the interaction of the ground water and the water in the river.