Clean Water at the Crossroads
Thirty years after the passage of the Clean Water Act, the quality of effluent from the nation's wastewater treatment plants has improved considerably. However, much of the...

Rapid Delivery
Facing nearly dry wells and a moratorium on development that was about to expire, a small town in the pacific Northwest, using the design/build delivery method, was able to quickly design...

Natural Progression
Engineers made storm-water detention, wetlands mitigation, and environmental safeguarding part and parcel of an industrial expansion project. Designers have created an inviting front yard...

Environmental Technology Verification Report for the Plasma Enhanced Melter
Prepared by the Environmental Technology Evaluation Center (EvTEC), a service center of CERF/IIEC. This Technology Verification report describes the...

Establishing Baselines For Pipeline Condition Master Planning
As our most of our cities approach complete built-out and much of our wastewater pipelines near the end of their design life, attention needs to be focused on retiring deteriorated first...

Multifaceted Trenchless Rehabilitation at the Middletown, Ohio WWTP
This paper describes the multiple trenchless technologies that were evaluated and the ones that were applied to the rehabilitation of a 78la diameter corrugated metal influent line and...

Economic Restoration of Concrete Infrastructure at Jefferson Parish, Louisiana
United States municipalities are spending hundreds of millions of dollars annually tore place and repair corroded concrete infrastructures in wastewater systems. Structures such as wet...

Application of Simulated Annealing for Integrated Urban Water Systems: Infrastructure, Treatment and Re-Use Optimization
Escalating costs in providing water supply, waste water and storm water infrastructure and community concerns over the environmental impact of water harvesting and effluent disposal, have...

Returning to the Source
One hundred years ago, Las Vegas was a dry, dusty dot on the map with a population of only 100. The city grew up to become perhaps the gambling capital of the world, and more recently...

Rethinking Bangkok's Wastewater Strategy
In the past 10 years the Bangkok Metropolitan Administration has spent $1 billion developing a major wastewater collection and treatment program for the city of Bangkok. The city is presently...

Impact of Scaling Rule on Simulating the Transport of DNAPLs
Due to the pollutants from lots of industry sewage and organic solvents, they arelow solubility in water and hard to decompose in nature, didn.t treated adequately, itwill cause the ground...

International Boundary and Water Commission, United States and Mexico, United States Section
(Abstract Only) The International Boundary and Water Commission, United States and Mexico, is responsible for applying the boundary and water treaties between the United States and Mexico....

Replacement Strategy
Water Works II, a $275-million water treatment plant currently under construction in Detroit, is redefining the way that such projects are let and built. In 1980 the city initiated a program...

Planning Applications Constructed Wetlands for Wastewater Treatment or an Avian Habitat in the Desert?
The debate of wetlands constructed for wastewater treatment or biological habitat continues. How a desert site is planned to meet both challenges is presented....

A Constructed Wetland for Wastewater Treatment in the Coachella Valley, Indio, California
The Coachella Valley Wild Bird Center (CVWBC) proposed a wetland habitat site on 22 acres property in India, California, under lease from Valley Sanitary District. The District currently...

Taking Treatment to the Extremes
Designing a wastewater treatment facility that meets current environmental guidelines can be challenging enough. But designing it so it can be shipped, constructed, operated, and maintained...

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...

Environmental Technology Verification Report for Ammonia Recovery Process
Prepared by the Environmental Technology Evaluation Center (EvTEC), a CERF Service Center. This report describes the nature and scope of an environmental...

Desert Wetlands
Two constructed wetlands demonstration projects in the Imperial Valley of California are being designed to help improve the water quality of the New River, which originates in Mexico and...

IZMIT (Kocaeli), Turkey, Earthquake of August 17, 1999, including Duzce Earthquake of November 12, 1999
Lifeline Performance
Prepared by the Earthquake Investigation Committee of the Technical Council of Lifeline Earthquake Engineering of ASCE. On August 17, 1999, the Izmit...

 

 

 

 

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