Publication Summary

Title

Quality Assurance Project Plan: Old Stillaguamish River Multi-Parameter Total Maximum Daily Load Study

Month-Year PublishedAugust 2006
Online Availability
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Short Description

This is the study plan for the Old Stillaguamish River Multi-Parameter Total Maximum Daily Load.

(Also see abstract below)
Publication Number06-03-108
Author(s)Pelletier, G. and L. Sullivan
Print Availability
Request from the program.
Number of pages 28 pp.
Keywords assessment, Puget Sound, quality assurance, quality assurance project plan, river, Total Maximum Daily Load, treatment, waste, wastewater, wastewater treatment plant, water, water quality
Subject Waterbodies
Stillaguamish River
map of Washington state showing locations of subject waterbodies
Abstract Long Description

The Old Stillaguamish River Channel (OSRC) is one of two channels connecting the Stillaguamish River to 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 OSRC were included on the 303(d) lists. Two modifications have recently been made with the potential to affect water quality, including a reverse tide gate and upgrades to the City of Stanwood Wastewater Treatment Plant.

The primary objective of the Old Stillaguamish River Channel Total maximum Daily Load is to determine the assimilative capacity of the OSRC and recommend wasteload and load allocations to address the 2004 Water Quality Assessment 303(d) List.

Link to EIM data for User Study ID GPEL0008


This page last updated October 8, 2008