Archive

Water and Wastes Digest Archive

August 2011
A fast-growing city in the arid desert of the western U.S. recently addressed the need to expand its municipal service for new residents and subdivisions. In recent years, the city's residential demand for wastewater treatment tripled from less than 1...
Redwood City, a rapidly growing community in northern California, was feeling the effects of a three-year drought that stressed the volume of water the city buys annually from the San Francisco Public Utilities Commission (PUC) for its 83,000 water...
The city of Modesto, Calif., is situated 90 miles east of San Francisco and has approximately 200,000 residents relying on 55 million gal of water per day. In 2006, the city took on a project to upgrade three water storage tanks that hold approximately...
The 84th Annual Water Environment Federation Technical Exhibition and Conference (WEFTEC) is headed for Hollywood. Water quality professionals from all corners the world will convene at the Los Angeles Convention Center from Oct. 15 to 19. Education...
PPG Industries constantly seeks to improve pollution and waste prevention programs throughout its global manufacturing facilities. Nevada is no exception: In 2009, PPG's Reno Plant took steps to enhance its existing wash water and wastewater management...
Membrane pretreatment is a popular topic in the industry—a topic that can sometimes cause confusion. The intent of this article is to clarify the term "membrane pretreatment" and describe its impact on membrane performance. Membranes used in water and...
North Texas Municipal Water District (NTMWD) currently provides potable water to a population of more than 1.6 million in a region north and east of the city of Dallas. Water is diverted for treatment from NTMWD's primary raw water supply reservoir,...
When it comes to tanks at wastewater treatment plants that contain solids slurries—whether for anaerobic digestion or sludge storage—a key factor in proper system design, operation and maintenance is mixing. Anaerobic digesters routinely operate with...
The Johns Creek Environmental Campus (JCEC) is situated on 43 acres off Holcomb Bridge Road in the city of Roswell bordering the Chattahoochee River in Fulton County, Ga. This state-of-the-art, $137-million, 15-million-gal-per-day membrane bioreactor (...
There is a wide spectrum of budget allocation and varying operational needs in municipal water utilities, but there are constants with which everyone struggles: Money is limited and efficiency is at a premium. Advanced remote monitoring (ARM) could help...

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The Water & Wastes Digest staff invites industry professionals to nominate the water and wastewater projects they deem most remarkable and innovative for recognition in the Annual Reference Guide issue. All projects must have been in the design or construction phase over the last 18 months.

2014 Top Projects Nomination Form

POLL

Raleigh, N.C., has added a small increase to water bills as a permanent watershed protection fee. Do you agree with this idea?: