Effects of Alder Mine on the Water, Sediments, and Benthic Macroinvertebrates of Alder Creek, 1998 Annual Report.
The Alder Mine, an abandoned gold, silver, copper, and zinc mine in Okanogan County, Washington, produces heavy metal-laden effluent that affects the quality of water in a tributary of the Methow River. The annual mass loading of heavy metals from two audits at the Alder Mine was estimated to exceed 11,000 kg per year. In this study, water samples from stations along Alder Creek were assayed for heavy metals by ICP-AES and were found to exceed Washington State's acute freshwater criteria for cadmium (Cd), copper (Cu), selenium (Se), and zinc (Zn).
- Research Organization:
- University of Washington
- Sponsoring Organization:
- United States. Bonneville Power Administration.
- OSTI ID:
- 10590
- Report Number(s):
- DOE/BP-09396-1; Contract 98BI-09396
- Country of Publication:
- United States
- Language:
- English
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