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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Total Maximum Daily Load for Lower Columbia River Total Dissolved Gas |
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Total Maximum Daily Load for Lower Columbia River Total Dissolved Gas (Number of pages: 150) (Publication Size: 1MB)
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| Author(s) | Pickett, P. and R. Harding | ||||
| Description | This Total Maximum Daily Load (TMDL), jointly issued by Oregon and Washington, addresses total dissolved gas (TDG) in the mainstem Lower Columbia River from the Snake River to its mouth. Elevated TDG levels, which can cause “gas bubble trauma” in fish, are caused by spill events at hydroelectric projects, both within the TMDL area and above the upstream boundary. This TMDL sets allocations in terms of excess pressure above ambient, which must be met at compliance locations below each dam in the TMDL area and above McNary Dam for upstream sources. An implementation plan describes short-term and long-term compliance for both ESA and TMDL requirements. | ||||
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| Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
| Keywords | Lower Columbia River, Endangered Species Act, Snake River, dams, ocean, environmental, report, flow, goals, Columbia River, fish, 303(d), river, plan, water, Total Maximum Daily Load, spill, spills, endangered species, Environmental Protection Agency | ||||
| WATERSHED | Water Resource Inventory Area CR Columbia River | ||||
| RELATED PUBLICATIONS | Title:
Total Maximum Daily Load for Lower Snake River Total Dissolved Gas Total Dissolved Gas Monitoring Results Columbia and Snake Rivers, May-July 2002 |
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