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Title

Factors Affecting Waters with a High pH: Statewide Analysis

 
Publication number Date Published
02-03-005February 2002
VIEW NOW Factors Affecting Waters with a High pH: Statewide Analysis (Number of pages: 73) (Publication Size: 710KB)




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Author(s) Butkus, S.
Description An analysis was conducted to evaluate factors that may result in violations of the state's water quality standard for pH. Washington State has a number of waters that are impaired with high pH. These impairments are likely caused by the introduction of excessive nutrients due to human activities. As a result of measurements made that show the pH criterion is exceeded, 26 streams are included on the Washington 1998 Section 303(d) list due to nonpoint sources alone. Section 303(d) of the federal Clean Water Act mandates that the state establish Total Maximum Daily Loads (TMDLs) for surface waters that do not meet standards after application of technology-based pollution controls. The analysis is being conducted to provide information for future TMDL development.
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Keywords flow, model, 303(d), section 303, water, watershed, Total Maximum Daily Load