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...
A Satellite Water System Program in Snohomish County, Washington
The Snohomish County Public Utility District No. 1 (PUD) has developed a Program for management of small public water systems. The Satellite Water System Management Program (SWSMP) is...
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...
Ecological Considerations in Groundwater Management
A wide variety of potential effects of groundwater management on terrestrial vegetation and aquatic biota are described and illustrated with examples from California....
Coupled Simulation-Optimization Approach to Wellhead Protection Area Delineation to Minimize Contamination of Public Ground-Water Supplies
A loosely coupled simulation-optimization procedure is used to determine the steady-state pumping rates for individuals wells in a multiple well municipal wellfield that result in the...
Assessment of TCE Concentration in South Tucson Water Network
This paper summarizes a study that estimated trichloroethylene (TCE) contamination patterns in a portion of the Tucson water distribution network due to several polluted wells. Aspects...
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...
Artificial Recharge to Manage Groundwater Quality in a Connected Surface Water Groundwater System
Finite difference method is used to formulate the management problem of movement of water and solute in a connected surface water groundwater system. Pumped groundwater quality of conservative...
The Strategic Development of a Sole Source Aquifer to Improve Water Quality While Minimizing Environmental Impact
A water supply project is currently underway which prevents future degradation of a sole source aquifer while providing a groundwater resource with limited usage restrictions. Salt water...
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...
Large-Scale Conjunctive Use of the San Gabriel Basin: An Environmentally Beneficial Water Supply Project
The 170-square-mile San Gabriel Basin in Los Angeles County, California, has commanded the attention of both water supply and environmental agencies because: (1) it is an idyllic natural...
Strategies for Developing Major Capital Facilities
Siting, permitting, and mitigating impacts present many challenges during the development of major capital facilities. As a result of the need for public involvement, environmental review,...
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 3: An Integrated Park and Treatment Plant
The West Point Wastewater treatment plant in Seattle sits on a small parcel of land that juts out into Puget Sound. In 1984, controversy erupted when Seattle Metro recognized that West...
The West Point Story?Chapter 4: Design
Metro's approach to design was one of integrated environmental and plant design. The project team, with guidance from the community and the city's parks department, established goals before...
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...
Upper Guadalupe River Authority, Texas?Innovative Solution to Long-Term Water Needs
Through conjunctive use of groundwater and surface water, the Upper Guadalupe River Authority (UGRA) has designed a water supply system for the City of Kerrville, Texas that saves 80 percent...
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