Plant Modernization and its Role in the Efficient Use of Water Resources
Engineers and hydrologists alike are challenged with the task of developing hydro projects which satisfy a broad spectrum of criteria. Specific criteria employed by resource agencies and...

Sno Water Led Coordinated Water System Planning
The designation of a Critical Water Supply Service Area (CWSSA) which leads to Coordinated Water Planning evolved from problems recognized much earlier. Regional water suppliers in Snohomish...

3 Counties Coordinated Water System Plans
The Coordinated Water System Plan (CWSP) process is a state mandated management tool created to get agencies and utilities to jointly address problems of current and domestic/municipal...

The Department of Health's Role in Implementing the Coordination Act in North Snohomish County
A coordinated water system plan in north Snohomish County resulted in development of uniform minimum design standards, a decrease in the number of new small water systems and regional...

Groundwater Contaminant Transport at a Hazardous Waste Disposal Site, Pullman, Washington
Groundwater contamination at a hazardous waste site near Pullman, Washington is simulated by a numerical model. The aquifer at the site is classified as an unconfined valley aquifer. Solute...

Investigation and Rehabilitation of the Moses Lake Larson Wellfield
In 1988, low levels of trichloroethylene (TCE) were detected in several of the Larson wells operated by the City of Moses Lake. The wells are up to 800 feet deep and are completed in fractured...

Developing, Managing, and Protecting Urban Aquifers in the Pacific Northwest
Water purveyors in the Puget Sound region have applied a variety of innovative techniques to effectively manage urban groundwater supplies from a quantity and quality perspective. Two...

The West Point Story—Chapter 1: Overview and Planning
The West Point wastewater treatment plant is the Seattle metropolitan area's largest wastewater treatment plant, and it is being upgraded to provide secondary treatment. The planning,...

The West Point Story—Chapter 2: Project Management Approach
In 1985, serving as the program lead, Metro contracted with Lewis Zimmerman Associates to conduct a formal facility planning effort for the West Point wastewater treatment plant. It was...

The West Point Story—Chapter 5: Construction
As design of the West Point plant neared completion, the municipality of Seattle addressed construction of the facilities. The challenge was to build a complex wastewater treatment plant...

Challenges in Implementing the Use of Reclaimed Water
The State of Washington is currently in the process of adopting standards for use of reclaimed water on land. CH2M HILL recently has finished two feasibility level studies for reuse projects...

Bellingham Frozen Foods Spray Irrigation System Operations
Bellingham Frozen Foods is a major vegetable processor located in northwestern Washington state. During the mid-1980's, the city of Bellingham began to upgrade the treatment of wastewater....

Implementing a Watershed Plan for Lake Stevens
The water quality of Lake Stevens is declining because of watershed nonpoint pollution and cycling of nutrients from lake sediments. Hypolimnetic aeration and an alum treatment are proposed...

Design of Aquatic Treatment Systems
This paper describes the design parameters and operating procedures used for a nonpoint pollution/stormwater treatment facility known as an Aquatic Treatment System to be located in the...

Storm Water Utility Experience in Bellevue, Washington
Surface water management is seen as a flood protector by most, a savior of the environment by some and a subversion of property rights by others. As recently as 20 years ago, there were...

Effects of Reservoir Management on Establishment of Riparian and Wetland Vegetation in Northeastern Washington
The effects of various reservoir pool management scenarios on the establishment of riparian and wetland vegetation in arid regions of the Pacific Northwest are discussed. This study quantifies...

Bellevue Smart Traveler: Phase 2
Traffic congestion in urban centers can be attributed to large numbers of workers traveling in single occupant vehicles to densely clustered downtown employment facilities. This project...

Effect of Future High Speed Ground Transportation on Airport Expansion Needs in the State of Washington
A high speed ground transportation system is proposed to be built in the State of Washington to connect all regions. The proposed system will be approximately 700 miles in length and would...

Civil Engineers Should Go to Washington

Free the Elwha|
The Elwha River flows northward from the middle of Washington's Olympic Peninsula to the Strait of Juan de Fuca. As a coastal river basin, it was once home to all five species of Pacific...

 

 

 

 

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