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Effectiveness Monitoring for Total Phosphorus Total Maximum Daily Loads in Fenwick and Sawyer Lakes

Publication number Date Published
02-03-054December 2002
VIEW NOW Effectiveness Monitoring for Total Phosphorus Total Maximum Daily Loads in Fenwick and Sawyer Lakes (Number of pages: 15) (Publication Size: 1MB)

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Author(s) Onwumere, G.
Description Washington State Department of Ecology is required to develop and implement Total Maximum Daily Loads (TMDLs) for impaired waters, and evaluate the effectiveness of the clean-up plan. This report presents an assessment of the effectiveness of total phosphorus (total P) TMDL implementation programs at Fenwick and Sawyer lakes.

Available monitoring data indicate that both lakes have periods when total P concentrations are above their target limits, especially at Lake Fenwick. Consequently, both lakes may likely continue to experience elevated total P concentrations and subsequent eutrophication. The fundamental supposition is noncompliance to the state’s narrative water quality standard for aesthetics.
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Keywords environmental, lakes, 303(d), section 303, plan, water, monitoring, Total Maximum Daily Load, phosphorus, lake, Environmental Protection Agency
WATERSHED Water Resource Inventory Area 09 Duwamish-Green

Sawyer Lake Total Maximum Daily Load for Phosphorus

Fenwick Lake Total Phosphorus Total Maximum Daily Load