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Zahn-Wellen Is a Test You Should Know

August 11, 2008By Shawn Blenis, Ray Noletto

Pre-testing aqueous wastewater streams to determine biodegradability doesn't have to cost an arm and a leg, much less drag on for months.

Curbing Pollution through Outreach

July 15, 2008By Tiffany Jonick

Behavior change tool inspires community action

Municipalities often tackle stormwater pollution using technology, a system of inspections and enforcement, and routine catch basin upkeep. These methods can abate stormwater pollution, but they do not address the root of the problem: people and businesses, oftentimes unknowingly, engage in polluting behaviors.

The Wetland-Landfill Connection

June 26, 2008By Mark O. Liner, P.E.

Constructed system can provide 'natural' leachate treatment

Wetlands are complex reactors that facilitate numerous chemical and biological reactions, and these reactions can be exploited to remove pollutants. Today, engineers are able to design wetland systems that can clean up landfill leachate onsite.

The Future Is Water Collaboration

June 17, 2008By George Ellenwood

Detroit, Mich., meets the suburbs in the middle

Detroit is known as the Motor City, but water may be its most vital resource. Detroit’s decision in the 1950s to build large water mains in the suburbs and connect them to its water plants pumped the economic and population growth of southeastern Michigan.

AWWA ACE08 Featured Exhibitors

June 3, 2008

ACE08 Preview Package

June 2, 2008By L. K. Williams

CDC Director, Cuomo Headline World's Water Event

Water professionals will converge on drought-stricken Atlanta for the American Water Works Association's Annual Conference and Exhibition on June 8-12 at the Georgia World Congress Center.

Case Study: Colorado Springs

May 13, 2008

Sliplining HDPE Solves High Traffic Dilemma

Officials in Colorado Springs, Colo., had two pressured water mains leaking clean, treated drinking water. One main was a 540-foot section running underneath Fountain Creek and the other was a 500-foot section running under Interstate 25 and two railroad tracks.

Case Study: Poughkeepsie

May 13, 2008

UV Disinfection Stands the Test of Time

It is now three years since Poughkeepsies' Water Treatment Facility in New York installed six Aquionics' ultraviolet disinfection systems for drinking water treatment.

Case Study: Camas, Wash.

May 12, 2008

Like many expanding suburbs, Camas, Wash., faced the problem of how to update an aging infrastructure—in particular, its sewage collection system—to meet the needs of the city’s growing population.

A Watery Resting Place

May 9, 2008By Debbie Bolles

Florida coastal reef supports the living and the dead

On the ocean floor, three miles off the coast of Miami, an underwater city teems with aquatic life and exposes "ruins" from a lost age. A bronze plaque beside a starfish sculpture gives away the fact that while beautiful, this reef is actually artificial.

Water Looms as “The Next Oil”

May 1, 2008By Sarah Slaughter

The pain caused by high oil prices is nothing like what looms as water, an even more basic and essential natural commodity, faces dwindling supplies and growing demand.

Case Study: Orbal

April 24, 2008

Plant on Chesapeake Bay Significantly Reduces TN, TP

In the early 1990s, Siemens Water Technologies provided the facility with a three-channel Orbal® biological nutrient removal process. In 2004, the plant added a SmartBNR™ control system, a mixed liquor suspended solids (MLSS) recycle pump, and a fourth Orbal channel.

12 Steps to Successful Wetlands Mitigation Banking

April 18, 2008By Mark Laska, Ph.D.

New regulations gave a big boost to the mitigation banking industry recently, meaning good news for the emerging business and its investors. The latest ruling by the U.S. Environmental Protection Agency and Army Corps of Engineers declared mitigation banking to be the preferred alternative for any wetlands mitigation project nationwide.

Grappling with Groundwater

April 18, 2008By Jim Chaffee

Do you know where your water supply comes from? Does your local government authority send it to your house from a nearby reservoir? Perhaps your district is served by wells? If it is, you are in good company. U.S. Environmental Protection Agency data indicates that more than 90 percent of the 158,000 public water systems use groundwater.

EDC Treatments Put to the Test

March 18, 2008By Debbie Bolles

Study compares different methods’ effectiveness at removing endocrine disrupting compounds, drugs and personal-care products

Reverse osmosis (RO) proved the most effective method for treating contaminants such as endocrine disrupting compounds (EDCs) in a four-year study that compared the ability of different contaminant removal technologies.