Estimating Maintenance Cost of Existing Stormwater Retention Ponds
The 280-acre Kensington Business Park includes 11 stormwater retention ponds that were also designed to provide aesthetic enhancement. Maintenance of these ponds became a concern when...
Global Approaches for the Nonconvex Optimization of Pipe Networks
Because the pipe network problem is nonconvex, two global search schemes, MULTISTART and ANNEALING, are employed to permit a local optimum seeking method to migrate among various local...
Pipe Network Optimisation Using Genetic Algorithms
A new optimization technique of generic algorithms has recently been successfully applied to pipe network optimization. In this paper a parametric analysis is carried out of the genetic...
Alternative Designs for Permanent Protection of the San Luis Rey River Aqueduct Crossings
The San Diego County water Authority was organized to provide an imported supply of water to the San Diego region. The sole source of the water to the Authority is Metropolitan Water District...
Optimal Rehabilitation Model for Water Distribution Systems
The objective of this paper is to describe a new methodology which can select the pipes to be rehabilitated and/or replaced in an existing water distribution system and determine how much...
Non Contact, Remote Sensing of Buried Water Pipeline Leaks Using Infrared Thermography
Subsurface water pipelines, sewer and buried utilities throughout America and the rest of the world range in age from hundreds of years old to brand new. They all have, however, one fact...
Watershed Management at Three Governmental Levels
Examples of holistic water resources management by the federal, state, and local levels of government illustrate practical application of basic principles of watershed management and public...
A Watershed Approach to Water Quality Criteria
Water quality has been managed historically using water quality criteria implemented through the NPDES permitting process. Many water bodies have water quality better than that defined...
Impacts of El Ni?o in Western Washington
The climatic phenomenon called El Nino is described, and its impact on hydrologic conditions in western Washington is shown for two recent events. Impacts on water management during the...
Integrated Water Resource Planning?A Northwest Case Study
The City of Tacoma Water Division recently incorporated integrated resource planning into its comprehensive water system planning process. This method of planning considers demand-side...
Ground Water Management Standards and Protection Tools
Once local goals and objectives for ground-water protection have been defined, wellhead protection areas delineated, sources of contamination inventoried and assessed, management techniques...
A Planning Strategy for Safe Drinking Water Act Compliance
This paper presents a simple planning strategy for drinking water utilities that will allow them to move ahead with system upgrades and specific regulatory compliance programs even though...
National Study of Water Management During Drought Results Oriented Water Resources Management
This paper provides an overview of a four year national study of water management during drought and builds a foundation for the other papers in this mini-symposium. The primary objective...
The Potomac Experience?A Forerunner of DPS
Thirty years ago, dramatic events were about to begin in Potomac River basin with the publication of a report of study recommending 16 major reservoirs and hundreds of small ones to solve...
The Challenges of Interstate Water Planning and Management
This study is one of four primary basin studies as part of the U.S. Army Corps of Engineers National Study of Water Management During Drought, a four year study initiated after the Drought...
Including Expert System Decisions in a Numerical Model of a Multi-Lake System Using STELLA
During the drought of 1988, water users in the Kanawha River, West Virginia, became painfully aware of conflicting uses that have developed since the 1970s. A numerical modeling of the...
Multiparty Model Development Using Object-Oriented Programming
The Massachusetts Water Resources Authority (MWRA) has taken advantage of recent advances in object oriented programming to build a flexible input and output model of its water supply...
Bringing People, Policies, and Computers to the Water (Bargaining) Table
Droughts have been defined terms of hydrometeorological terms; however, a Water Control Manager realizes that droughts are also a function of demands. During the drought of 1988, water...
Politics and Drought Planning: Friends or Foes?
Nothing frustrates the average drought planner more than politics. Yet, droughts cannot be prepared for realistically without reliable political partners, smoothly cooperating government...
Citizen Participation in Water Supply System Planning and Management
The Water Supply Citizens Advisory Committee (WSCAC) is a unique citizens group. Although it is funded by the Massachusetts Water Resources Authority (MWRA), it has a paid staff who are...
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