Upgrade Undertaking   Water & Wastes Digest May 2008   By Neda Simeonova
How one city handles plant improvements and funding challenges to comply with new regulations and meet future water needs
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A Forward-Looking Approach   Water & Wastes Digest April 2008   By Neda Simeonova
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Award-Winning Plant Meets Growing Needs   Water & Wastes Digest April 2008   By Stratton Tragellis
A design-build-finance concept through one provider worked well for this Colorado plant
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Wastewater Plant Upgrade Achieves Biological Nutrient Removal   Water & Wastes Digest September 2007   By Kevin Bunting
The city of Fruitland, Md., chooses an SBR system to reduce nitrogen and phosphorus levels while protecting Chesapeake Bay
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Sustainable Solution Full of Energy   Water & Wastes Digest November 2006   By Dave Blurton
North Shore Sanitary District harnesses the power of biosolids

Speed & Accuracy in Water Analysis   Water & Wastes Digest October 2006   By Don Harrington
Improving lab efficiencies at a small municipal treatment system

Using Technology to Address Odors   Water & Wastes Digest August 2006   By Rick Parker
Biotrickling filter handles tough municipal odor control problems

A Call for Consistency   Water & Wastes Digest April 2006   By Jessica Moorman
Addressing the need for consistent national standards for water security

Evolution of Low-Pressure Membrane Technology   Membrane Technology March 2006   By Dr. Thomas Lebeau
Technological advances have made membrane filtration a viable option for a variety of applications

Setting New Standards   Membrane Technology March 2006   By T. David Chinn
Twin Oaks Valley WTP provides high quality potable water and meets regulations

Port Hope’s Dream Comes True   Water & Wastes Digest February 2006   By Tim Gregorski
Small community home to new water treatment plant that can expand along with population

Striving for Reliability   Water & Wastes Digest February 2006   By Steve London
Texas wastewater plant achieves superior results with sludge recirculating pump upgrade

Pipes Solve Potable Water Problems   Water & Wastes Digest February 2006   Philip R. Snyder
South San Joaquin Water Treatment Plant opts for direct bury installation for potable water pipes

COD Analysis Plays Critical Role   Water & Wastes Digest January 2006   By Chris Fair
COD analysis provides advantages for the Salt Lake City Water Reclamation Plant

San Antonio's Water in the Spotlight   Water & Wastes Digest January 2006   Tim Gregorski

Mile High Membranes   Water & Wastes Digest November 2005   By Tim Gregorski
WWD talks with Bud Hart, water supply, treatment and quality manager at the Columbine (Colo.) Water Treatment Plant about the results of their membrane-related upgrades

Do Membranes Fit Your Needs   Water & Wastes Digest November 2005   Karen DeCampli

A Model for Muni Treatment of Surface Water   Membrane Technology November 2005
As the first plant in the U.S. to combine the Actiflo pretreatment with the KMS ultra- filtration membranes, Cass County’s Public Water Supply District #7 serves as a model for municipal treatment of surface water.

Realizing the Benefits of Improving RO Technology   Membrane Technology November 2005   Rich Franks and Craig Bartels
Recent improvements in the design and construction of the RO element have come by focusing attention on the details of glue line placement, feed spacer configuration and the selection of the permeate carrier.

How to Handle Membrane Reject Water   Membrane Technology November 2005   Van Kile and Susie Kippenberger

From Hours to Minutes   Water & Wastes Digest October 2005   Gavin McGhie

Becoming a Good Neighbor   Water & Wastes Digest September 2005   By Joe Woodward

Storm Water Watchers   Storm Water Solutions July 2005   Dana Havlik, P.E., and Peter Mattejat
The SWM Program initially concentrated on the inventory, but current focus has shifted to maintenance and functional retrofits.

Industry Insider: Facing the Challenges Head On   Water & Wastes Digest April 2005   By Tim Gregorski
WWD recently spoke with Tom Gallier who provided valuable insight into the Tempe Water Utilities Department (TWUD).

Ten Practices of Highly Effective Water Utilities   Water & Wastes Digest December 2004   By Janice A Beecher
The concept of continuous improvement complements the idea of developing a water systems’ capabilities over time to ensure safe and reliable water service.

A Benchmark UV Drinking Water Facility   Water & Wastes Digest November 2004   By Jim Cosman
Seattle’s Cedar Treatment facility represents the largest application of UV technology for municipal drinking water in the world

Wastewater Treatment for Unserviced Land Development   Water & Wastes Digest October 2004   By James Hotchkies
Residential, industrial, or recreational construction on non-sewered land frequently raises many questions about the most reliable and cost-effective strategy for managing the future wastewater stream.

The Evolution of Low-Pressure, Immersed Membrane Technology   Membrane Technology October 2004   by T. David Chinn, P.E.
Today, after nearly 25 years of championing the innovation and evolution of low-pressure, immersed membrane technology, ZENON continues to be a leader in this rapidly growing and dynamic market.

Addressing Membrane FAQs   Membrane Technology October 2004   by Karen Decampli
With this growth and discovery stems questions about specific uses and maintenance.

Membranes Meet Total Water Treatment Needs for Growing City   Membrane Technology October 2004   by Tom Foley
After more than two decades of outsourcing its wastewater treatment, city officials in American Canyon began to consider constructing plant of their own.

Science Applied to Optimize Membrane Treatment   Membrane Technology October 2004   by Paul Dittman
CWS hired Black & Veatch (B&V) to evaluate a treatment system to process 20 MGD of water from the Kern River for the city of Bakersfield. B&V selected a treatment system that uses coagulation and sedimentation with ferric chloride as coagulant.

Ten Things You Need to Know   Membrane Technology October 2004   by Charles Liu, Ph.D., P.E., DEE
The removal credit for any membrane system can be only granted as it can be verified by integrity testing.

UF Pretreatment for RO Systems   Membrane Technology October 2004   By John McArdle, Antonia von Gottberg, Ben Antrim and Dawn Halpern
Because of the increasing awareness of the need for adequate pretreatment, there has been significant interest in UF as pretreatment for RO for municipal applications in brackish and seawater desalination plants.

Trouble-Free Operation   Membrane Technology October 2004   By James J. Vecchio and Antonia von Gottberg
Manganese was present in the water at 0.70 mg/l, and iron concentrations were around 0.30 mg/l.

Membranes Offer Flexible & Economical Water Treatment Options   Membrane Technology October 2004   by Stratton Tragellis and Ed Jordan
Innovative and highly adaptable membrane technologies are discussed in the following case studies

Triple Option Offers Savings   Water & Wastes Digest June 2004
Ninety percent is the savings in capital cost that HDR, Inc., has been able to provide to the Oro Loma (Calif.) Sanitary District.

Ending Odor Complaints   Water & Wastes Digest May 2004
A long-running odor problem was solved by tapping a 30,000-cfm-capacity biofilter array into a 14 mgd average, 55 mgd maximum sewage transfer line. The line discharges into underground junction box, with the odor control system’s main collection duct evacuating box headspace air above ground for humidification and biofiltration before discharge to atmosphere through fan stacks.

Answering the Challenge   Water & Wastes Digest May 2004   By Eugene R. Reahl
San Diego uses EDR technology to produce low salinity irrigation water from reclaimed municipal wastewater

Making the Most of Modular Pumps   Water & Wastes Digest August 2002
In order to ensure municipal water demands were met, the city of El Dorado, Arkansas contracted with Tanner Engineering & Carter-Burgess to design five new deep wells, water transmission mains, ground storage tanks, pump station, and chlorination facilities. In order to complete the project before the sultry days of summer, the municipality and engineering firm decided to save time and energy by installing a modular pumping system.

Patented Process Reduces Drying Time, Facility Footprint   Water & Wastes Digest February 2002
In raw form, biosolids have been used to supplement commercial fertilizers by the farming industry for decades. Today, we treat biosolids further to remove harmful pathogens. N-Viro International of Toledo, Ohio, has developed and patented a processing tool designed to decrease the time needed to dry the product as well as decreasing the footprint of the drying facility.

New Mixed Oxidant Controls Belt Press Odors   Water & Wastes Digest February 2002
A Midwest municipality needed to find a way to eliminate hydrogen sulfide from the atmosphere in the sludge dewatering area as well as on the plant grounds. The successful elimination of noxious and toxic gas would not only make a safer, healthier environment for the workers involved but would also result in a reduction in the corrosion of metallic components in the dewatering area, while greatly reducing odor complaints from neighbors.