Optimal Selection of Rechlorinization Station in Water Distribution System by Optimization Techniques
The optimal rechlorination in water distribution systems was investigated by incorporating optimization techniques into a numerical water quality model (EPANET2). Four types of optimization...

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...

Liquid Assets
Educational Facilities and the fountains of a new plaza are making good use of water from a system that is remediating contaminated groundwater in Wichita, Kansas....

Water Wise in Phoenix
To satisfy its growing demand for safe drinking water, Phoenix has turned to an innovative design/build/operate approach that is expected to deliver a highly sophisticated yet cost-effective...

Par Excellence
A 50-year-old Brownfield with a mountainous pile of steel slag has been remediate and developed into a recreational site that boasts a free golf course for inner-city youth, a championship-quality...

Bridge to the Future
The final component of Thailand's new Outer Bangkok Ring Road, the eight-lane cable-stayed Chao Phraya River Bridge, will not only alleviate Bangkok's notoriously...

Golden Opportunity
After abruptly losing access to a significant portion of its water supply during a severe drought, the city of Golden, Colorado, responded by employing innovative approaches to design...

Water Treatment Plant Design
Let a team of water treatment plant design experts . with contributions from more than 30 international authorities -- give you comprehensive guidance on modernizing existing water treatment...

Evaluating Seepage Losses and Liner Performance at Animal Waste Lagoons using Water Balance Methods
This chapter discusses techniques for evaluating seepage losses from existing animal waste lagoons under field conditions....

Use of Coal Combustion By-Products as Low-Permeability Liners for Manure Storage Facilities
This chapter presents an overview of the use of compacted flue gas desulfurization (FGD) material as a low-permeability liner. It discusses the engineering characteristics of FGD materials...

Saving the Bay
By reducing the level of nutrients in their discharges, wastewater treatment plants within the Chesapeak Bay's vast watershed are putting much less environmental pressure...

The Case for Cleaning
When sanitary sewer systems overflow during heavy rainstorms, the crisis is often attributed to the sheer volume of water inundating the system. In many cases, however, the lines would...

Long-Term Groundwater Monitoring
The State of the Art
Prepared by the Task Committee on the State of the Art in Long-Term Groundwater Monitoring Design of the Environmental and Water Resources Institute of ASCE. ...

Wetlands at Work
As urbanization spread to the southern portion of Staten Island�the home of New York City's last large stand of freshwater wetlands�the New York City Department of Environmental...

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...

Pressure Relief
When the two basins making up a 90 acre reservoir in New York needed to be emptied and cleaned, engineers decided to use the 2,750 ft (840 m) long concrete wall dividing them as a dam....

Transforming Crissy Field
The Presidio's Crissy Field in San Francisco has been converted from a military airfield and industrial storage yard into a magnificent urban waterfront park. Thanks to a...

Thinking Deep
An underwater pipeline that has set records for its 55 in. (1,397 mm) diameter and 3,000 ft (914 m) depth stretches nearly 2 mi (3 km) from the shore of Hawaii to bring cold seawater to...

Building the Olivenhain
Engineers in California were hired to create a reservoir capable of providing the San Diego region with 24,000 acre-feet of water during an emergency shortage. The result is the Olivenhain...

Tapping the Desert
As part of an effort to augment the limited supply of freshwater in El Paso, Texas, engineers and planners are eyeing a new source: desalinated water pumped from beneath the desert floor....

 

 

 

 

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