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USGS Washington Water Science Center

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Sue Kahle,
USGS Hydrologist,
934 Broadway,
Suite 300
Tacoma, WA 98402

(253) 552-1616
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Chamokane Framework and Model Project

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Chamokane Creek Basin is a 179-square-mile area that borders and partially overlaps the Spokane Indian Reservation in southern Stevens County in northeastern Washington State. In 1979, all water rights in the Chamokane Creek Basin were adjudicated by a Federal court, which gave senior, reserved water rights to the Spokane Tribe of Indians for irrigation and protection of fish in Chamokane Creek.

Because of concerns about the effects of future ground-water development upstream of the basin and outside of the reservation, the Spokane Tribe of Indians and the Bureau of Indian Affairs have requested the USGS to study the ground- and surface-water system in the basin. The USGS study will assess the effects of future increased ground-water withdrawals on basin water resources and evaluate the effects of ground-water withdrawals on Chamokane Creek.

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Page Last Modified: Thursday, 15-Dec-2016 13:00:46 EST