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| Title | Quality Assurance Project Plan: Old Stillaguamish River Channel Diel Surveys. | |||
| Month-Year Published | October 2004 | |||
| Online Availability |
823 kilobytes, requires version 4.0 or later of Adobe Acrobat Reader Software get Acrobat Reader
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| Short Description |
This is the quality assurance project plan for the Old Stillaguamish River Channel Diel Surveys. (Also see abstract below) | |||
| Publication Number | 04-03-113 | |||
| Author(s) | Coffler, S. | |||
| Print Availability | ||||
| Number of pages | 32 pp. | |||
| Keywords | Puget Sound, quality assurance, quality assurance project plan, river, study, survey, Total Maximum Daily Load, treatment, waste, wastewater, wastewater treatment plant, water | |||
| Subject Waterbodies |
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| Related Publications | Title | Relationship | ||
| Old Stillaguamish River Channel Diel Surveys, July and September 2004 | similar topic | |||
| Abstract | Long Description |
The Old Stillaguamish River Channel is one of two channels connecting the Stillaguamish River to the Puget Sound in Western Washington State. Low freshwater inflow during the dry season causes the channel to function like a tidal slough. Segments of the Old Stillaguamish River Channel were included on the 1998 and Draft 2002/2004 Section 303(d) lists. Two modifications have recently been made in the Old Stillaguamish River Channel with the potential to affect water quality, including a reverse tide gate and upgrades to the City of Stanwood Wastewater Treatment Plant (WWTP). The primary objective of the Old Stilliguamish River Channel diel surveys is to provide new water quality baseline data that reflects any changes the new tide gate may have on water quality in the channel. The data will help to determine the assimilative capacity of the Old Stillaguamish River Channel for a future Total Maximum Daily Load (TMDL) study addressing the 303(d) listings. |
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