OHA continues to press on, working to:
  • Minimize watershed impacts associated with the Buckhorn gold mine operations and exploration
  • Continuously improve the ecological health of the Okanogan Highlands
  • Increase community awareness and involvement in watershed issues

What's New?



Ground and surface water downgradient from the mine are being degraded
 by failure of the mine’s capture zone. Crown Resources must gain control of pollution from the mine by capturing all mine contaminants from all mine facilities. The National Pollution Discharge Elimination System (NPDES) permit has been renewed, but numerous water quality violations have occurred continuously before and since the 2014 revision... Continue
Mine Monitoring



Triple Creek: OHA is collaborating with Trout Unlimited, the US Fish and Wildlife Service, and private landowners to restore the Triple Creek wetland. This project will benefit water quality and increase habitat for fish and wildlife by reducing severe stream channel incision that disconnects the creek from its floodplain... Continue

Triple Creek

Saturday, July 23, 2016: Earlier this spring, Dennis Paulson, one of the most knowledgeable naturalists in the Northwest, provided a profusely illustrated lecture as part of the indoor Highland Wonders series. This summer, he will share his interest in the biodiversity and biology of dragonflies and damselflies by taking a group outdoors... Continue