A Cleaner Coast Down Under
As part of a strategy to improve the quality of wastewater treatment in the Illawarra- a popular coastal region in Australia- the country's largest supplier of water and wastewater...
San Diego Delivers
To maintain its ability to provide water to some of its rapidly growing regions, the city of San Diego is simultaneously laying two large diameter pipelines, one carrying potable water...
Supercharged
The Groundwater Replenishment (GWR) System is a regional water supply project sponsored jointly by the Orange County Water District (OCWD) and the Orange County Sanitation District (OCSD)....
Rebuilding an Island
Following centuries of rising sea levels and pounding waves, almost all of Poplar Island had, by the 1990s, been lost to erosion in the Chesapeake Bay. Today the land is on its way back,...
Watershed Management Strategies for the Sustainable Environmental Rehabilitation of Stressed Areas in Northern Greece
The present paper has a two prong emphasis. Firstly, it demarcates the physical, structural and socio-economic environment in central Macedonia and the associated water management issues....
From Pikes Peak to Mars
A graywater (sink and shower wastewater) reuse system is now being designed to serve a visitors' center and a nearby laboratory atop Pikes Peak, Colorado. If the Pikes Peak...
The Transportation System for the New Hong Kong International Airport
The decision by the Hong Kong Government in 1989 to relocate the city airport at Kai Tak had resulted in the largest infrastructure project ever undertaken in Hong Kong in recent times....
Added Protection
The U.S. Bureau of Reclamation is modifying the 335 ft (102 m) high Casitas Dam in Ventura County, California, to withstand a magnitude 6.9 earthquake. The modification includes strengthening...
A Statewide Economic Optimization Model for California II: Model and Results
(No paper) Traditionally simulation models have been used for multi-reservoir operation studies. More recently deterministic optimization models have been used to identify promising alternatives...
Title Transfer of U.S. Bureau of Reclamation Projects: Fact or Fiction
(No paper) The U.S. Bureau of Reclamation (Reclamation) has constructed hundreds of water storage and delivery projects throughout the 17 western United States. These projects vary in...
Using Indirect Potable Reuse to Provide New Water Supplies in Resource-Limited Regions
(No paper) Historically, water resources needed for potable use have been derived from readily-accessible surface and groundwater supplies of freshwater origin because such supplies can...
Progress and Future Direction to Improve Arizona's Reclaimed Wastewater Reuse Program
(No paper) The Arizona Department of Environmental Quality (ADEQ) is undertaking a major revision of its reclaimed wastewater reuse program in response to recommendations made by a citizens...
Reclaimed Wastewater Reuse in Arizona: Status and Vision for the 21st Century
(No paper) The Arizona Department of Environmental Quality (ADEQ) regulates the reuse of reclaimed wastewater through the issuance of individual reuse permits to treatment plants and/or...
City of Sedona Wastewater Reclamation Plant Upgrade: How to Teach an Old Dog New Tricks
(No paper) The City of Sedona's early 1990's wastewater treatment plant was difficult to control, prone to plant upsets, near capacity and often experienced on-site sewage spills. Additionally,...
Hovering Over the Harbor
The $600 million extension to the Hong Kong Convention and Exhibition Center features a highly sculpted roof inspired by the uplifting image of seabirds in flight, as well as a 300-ft-long...
Bottoms Up
Placement of dredged material in an environmentally beneficial manner appears to be the trend for the future, considering the economics as well as the increased environmental consciousness...
Recycling Penn Forest Dam
Almost since it's construction more than 30 years ago, the Penn Forest Dam had suffered severe seepage, leading officials in Bethlehem, Penn., to wonder how secure their largest...
Taking the Plunge
Treatment technologies in the last few years have advanced to the point where the wastewater can now be considered a source of drinking water. Membrane technology, advances in filtration...
Agroforestry as a Method of Salt and Selenium Management on Irrigated Land in the San Joaquin Valley
Since 1985, several San Joaquin Valley growers, with the support of State and federal agencies, have attempted to manage salt and selenium using agroforestry. Numerous studies and research...
Fluidized Bed Denitrification of Secondary Effluent during Wastewater Reclamation in Southern California
A pilot scale fluidized bed denitrification bioreactor was operated for a period of three years as one unit process in a series designed to repurify secondary effluent for subsequent indirect...
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