Flushing in Water Quality   Water & Wastes Digest July 2008   By Clare Pierson
An Alabama water utility searches for a more efficient way of flushing its distribution system and finds the solution in automatic flushing
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Turbo-Filtration   Water & Wastes Digest July 2008   By Chris Shuster
A custom Type 316 stainless steel manifolding fabricated by Miller-Leaman to accommodate future expansion of the Turbo-Disc Filter system; used for demonstration and water testing purposes.
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A Practical Solution for Real Time Organic Monitoring   Water & Wastes Digest October 2007   By Jodi Glover
New technology offers real solutions for online organic monitoring

Tackling Taste & Odor Problems at Hemlock Lake   Water & Wastes Digest January 2007   By Dale Kriewall
Retrofitting an existing filtration system with granular activated carbon provides a cost-effective way to combat musty/earthy flavor in Rochester’s drinking water

Continuous State of Improvement   Water & Wastes Digest January 2007   By Tim Gregorski
Alexandria Sanitation Authority completes multiple upgrades to wastewater facility, new designs set tone for future upgrades

A Long-Term, Sustainable Alternative   Water & Wastes Digest January 2007   By Clint Elston
Sustainable blackwater separation, greywater treatment and recycling technologies help reduce water consumption and pollution

Funding Rural Water Quality   Water & Wastes Digest January 2007   By Stephanie vonFeck
CWSRF is a reliable source of funding for water quality projects in rural communities across the U.S.

Helping Mother Nature   Water & Wastes Digest November 2006   By Evelyn M. Scibelli
East Shoshone County, Idaho, incorporates membrane water treatment system to reduce turbidity and increase drinking water quality

New UV Treatment Systems Improve Water Quality   Water & Wastes Digest November 2006   By Bill Harvey
Kelowna, B.C., completes water treatment facilities

Laser Nephelometers Provide Ultra-Sensitive Membrane Performance Monitoring   Water & Wastes Digest September 2006   By Michael Sadar
Ultra-low turbidity detection helps water district protect public health, meet regulatory requirements

WEFTEC.06 Heads to Dallas   Water & Wastes Digest August 2006   By Jessica Moorman
The Water Environment Federation’s 79th Annual Technical Exhibition & Conference is set for Oct. 21 to 25, 2006

Dedicated to Water Quality in the Heart of Texas   Water & Wastes Digest August 2006   By Tim Gregorski
WEFTEC.06 in Dallas expected to attract more than 16,000 attendees for the largest water quality event in North America

Equipment Helps Examine Water Data, Establish New Criteria   Water & Wastes Digest May 2006   By Steve Werblow
Florida DEP study incorporates sampling & analyzing equipment to create new criteria for DO and nutrients in state’s water bodies

As the World Thirsts   Water & Wastes Digest April 2006   Tim Gregorski

Water Conservation Leads to Improved Water Quality   Water & Wastes Digest December 2005   By Brian Boxer
California water agencies protect and conserve water resources by addressing the link between water conservation and water quality

Top Hats Prove Effective   Water & Wastes Digest November 2005   Andrew Barr, P.E.
Plant maintains production during UV installation with innovative construction tie-in detail

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

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

Out of the Pipe, Into the Watershed   Water & Wastes Digest September 2005   By G. Tracy Mehan, III
“We are flying blind when it comes to making decisions about how best to address water quality problems and allocate our limited resources for cleanup, pollution prevention and restoration.”

Industry Insider: Improving the Industry   Water & Wastes Digest May 2005
Involved in numerous water quality and wastewater projects, James Clark a vice president and senior project manager at Black & Veatch, envisions what it takes for our industry to continue to be effective

Reservoir Tank Is One of A Kind   Water & Wastes Digest May 2005   By Judy Horning
This expansion project is part of a long-term citywide capital improvement program to improve the infrastructure and services that provide San Diegans with safe drinking water.

Nitrate Removal by Ion Exchange   Water Quality Products April 2003   Francis J. DeSilva, ResinTech, Inc.
Nitrates have no detectable color, taste or smell at the concentrations involved in drinking water supplies, and they do not cause discoloration of plumbing fixtures, so they remain undetectable to our senses. Nitrate removal processes must be either foolproof or include extensive monitoring of the treated water to detect breakthrough or determine the need for regeneration.
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Legionella Solutions   Water Quality Products September 2002   Bernard Banga, Freelance Writer, French Technology Press Office
Legionnaires' disease is considered so catastrophic that, in France, it must be reported to the medical authorities immediately. This practice has been in place since 1987. During the last decade, public health monitoring systems for this disease have been strengthened. Today, this hazard that arises from buildings has become an emerging public health problem in industrialized countries. The resulting respiratory infections are behind the recurrent epidemics emanating from hot water systems in buildings and air-conditioning cooling towers.
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Back to the Basics, Part 1   Water Quality Products May 2002   Jeff Roseman, CWS-1, Aqua Ion Plus+ Technologies
Basic water chemistry, terminology and applications can be very complicated and not seem so basic to individuals without a chemistry background. This series of articles will help shed light on the chemistry of water and the mysteries that it can contain, plus explain the technologies used to treat water so the purchaser can make an educated attempt to find the right solution for a particular application. There are no cut-and-dry formulas for water treatment and certainly no cure-all for every application or problem, but with an understanding of how water works and the technologies developed to treat water, a person can utilize his resources to come up with solutions for his particular need or application.
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Effects of Recharge of Chlorinated State Water Project Waters to Groundwaters in Lancaster Area of California   Water Engineering & Management April 2002   Hisam A. Baqai, P.E., G.E.
As the population in Southern California increases, more and more demands are being put on the state’s groundwater resources, further exacerbating the overdraft problem. Many communities in Southern California are recharging their aquifers with imported surface waters to combat this problem. The major recharge normally is carried out during wet weather periods when surface water is plentiful. However, recharging these groundwater aquifers with imported surface water can create the potential for water quality degradation. The problem can start when surface water is disinfected with chlorine to prevent biofouling and remove pathogens.
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Consider the Source   Water Engineering & Management February 2002   Bill Swichtenberg
A report released by the Environmental Working Group (EWG) and U.S. Public Interest Research Group (U.S. PIRG) has taken aim at chlorination byproducts (CBPs) in tap water. The group‘s assessment states that more than 100,000 women are at elevated risk of miscarriage or birth defects because of CBPs in tap water.
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Legionella Management and Monitoring: Part I   Water Quality Products January 2002   Paul S. Warden, Kristen S. Fallon, Ph.D., M.S.E.L., Analytical Services, Inc., and Colin R. Fricker,
This article will present an overview of Legionella bacteria, its ecology and sample collection strategies. A discussion of the pros and cons of Legionella monitoring also is included.
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Threat of Water Supply Bioterrorism: Who Will It Impact?   Water & Wastes Digest December 2001   Nikolai Pitchforth, Research Analyst, Environmental Group, U.S.
The tragic events of September 11th highlighted America’s vulnerability to terrorism and spurred an unprecedented domestic security response. Water treatment facilities were identified almost immediately as a potential target for further attacks and were urged by the FBI to implement security measures, most of which are still in place.

Water Intake At New Illinois Power Plant Designed for Variable Flows   Water & Wastes Digest December 2001
The intake system that will draw cooling makeup water from the Kaskaskia River for the $250-million Holland energy plant in Shelby County, Illinois, was designed to balance construction cost imperatives against the river’s variable flow, regulatory requirements and the owner’s operating preferences. The result is a state-of-the-art vital element for the gas-fired, combined cycle plant. As more and more closed-cycle plants are proposed, the concepts that Parsons applied along the Kaskaskia River may provide a good starting point on the drawing boards.

Biofouling in Raw Water Supply Wells and Its Impact   Water Engineering & Management October 2001   Frederick Bloetscher, P.E., Gerhardt M. Witt, P.G. and Robert E. Fergan, P.E.
As membrane systems become more prominent in the treatment of well water supplies, more care must be taken to review the effects of microbiological contamination.
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The State of Regulations   Water Quality Products August 2001   By Wendi Hope King
As the POU/POE water treatment industry progresses to new levels and meets new challenges, issues regarding regulations and standards continually arise. As the industry waits for the EPA and U.S. government to finalize regulations, the industry is forced to ride out the MCL changes, rule withdrawals and estimated costs that each proposal brings. Listed here is a review of regulation changes the industry has seen in the last year and a brief look at which ones to watch for in the future.
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Continuous Microfiltration System Ensures Safe Drinking Water For Wisconsin Residents   Water & Wastes Digest May 2001
The Kenosha Water Utility treatment facility, located on the shores of Lake Michigan in Wisconsin, needed to upgrade its two plants to meet the expanding water needs of the community it services. Continuous microfiltration helped meet those needs.
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Filter Cartridges   Water Quality Products May 2001   Compiled by Wendi Hope King, WQP Staff
The following is some basic information compiled from industry experts at diverse companies. Additional information is available at the contact information provided.
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MTBE   Water Quality Products May 2001   Andrew McClure and Neal Megonnell, Calgon Carbon
With outbreaks such as the one in Santa Monica, Calif., the problem of MTBE has not gone unrecognized. Legislation and technologies are being developed to eliminate the spread of this possible carcinogen.

Ultraviolet System Design   Water Quality Products May 2001   Adam Donnellan
In the last issue, we reviewed ultraviolet (UV) disinfection as a suitable technology for treating biologically unsafe water supplies. In this article, we will focus on system design and understanding the many available options for residential and commercial applications.
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Water Testing   Water Quality Products May 2001   Richard C. Stump, Suburban Water Testing Labs, Inc.
Deciding the water source and which contaminants you want to test for establishes which test you should use.

Cooling Tower Solutions   Water Quality Products April 2001   W. Craig Meyer, Pierce College
Recently, cooling towers have become recognized as a major source of Legionella infection. This fact has stimulated a growing number of lawsuits and it is expected that this trend will continue.

Cryptosporidium - A brief overview of a new technology   Water Quality Products March 2001   Danielle Duclos
The occurrence of Cryptosporidium parvum and other pathogens in water supplies poses a dangerous problem to the water industry and human health. Read about a new technology that is helping rid of this problem.
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Oxidizing Arsenic III to Arsenic V for Better Removal   Water Quality Products March 2001   Dr. Dennis Clifford and Ganesh Ghurye, University of Houston
On June 22, 2000, the U.S. Environmental Protection Agency (EPA) proposed lowering the maximum contaminant level (MCL) for arsenic from 50 down to 5 micrograms/L (Federal Register, 2000).
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Effluent Diffusers Improve Water Quality, Meet Regulations   Water & Wastes Digest March 2001   WWD Staff
In order to obtain a better permit, a Midwest plant needed to significantly reduce the pollutant concentrations being produced by its current level of discharge. Working with a consultant, management decided an effluent diffuser would be a more reliable and cost-effective option than altering the treatment process or installing a second outfall line.
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Water Quality Deterioration in Distribution Systems   Water Engineering & Management February 2001   Thomas L. O'Connor and John T. O'Connor
While temperature is acknowledged to be an important factor in water treatment, remarkably little study has been made of the adverse influence of low temperatures on physical treatment process effectiveness. An early study concluded that "there is no preventative or retarding effect on alum floc formation with low raw water temperatures."
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Manganese & Iron   Water Quality Products December 2000   Glenn Gruett
While the recipe for treating problem water can be a quick fix at times, it also can require trial and error on the part of a water specialist who may need to find the ideal combination of treatments to fix the problem.

E. Coli Awareness   Water Quality Products November 2000   Wendi Hope King
There are approximately 73,000 cases of E. coli annually in the United States, according to the Centers for Disease Control and Prevention. However, this infection is not just domestic but on a global scale.

Roundtable Discussion: E. coli (Escherichia coli)   Water Quality Products November 2000   Wendi Hope King
Recent outbreaks of E. coli have brought consumer’s attention to their drinking water. Understanding its source, regulations and prevention will be key to combating this waterborne illness.

Precision Tubing Ensures Purity of Water Filtration System   Water Engineering & Management June 2000
In today's laboratory environment, it is essential that pure water is available for numerous applications.

Water Testing: Why Customers Should Be Informed   Water Quality Products May 2000   Marianne Metzger and Barbara L. Marteney
People must recognize that drinking water contamination is a serious problem. It is a problem that is constantly being addressed by government officials, public interest groups and the scientific community.

Water Meter Selections for Water Quality Applications   Water Quality Products March 2000   Jack C. Haley
Water meters have for many years made the public more aware of consumption, and now with all of the new water quality products that are becoming available, water metering becomes more meaningful every day.

Ozone Generator Improves Cobb Area County Water Quality   Water Quality Products November 1999
The Cobb Area County Water District of Middleton, Calif., achieved a major improvement in the district’s water quality by approximately 40 percent, from one of its major water sources—a well near one of its pumping stations.

Instrumentation Manufacturer Applies Medical Know-How to Water Testing   Water Quality Products July 1998   Christopher Weed

Americans Are Concerned About Household Water Quality, More Are Seeking Solutions   Water Quality Products October 1997
Three-quarters of American adults have concerns about their household water supply.

Professional Certification   Water Quality Products June 1997   By Judy Grove, WQA
If we, as an industry, actively promote ourselves as professionals with a legitimate body of knowledge, represented by WQA's Professional Certification Program and WQA training programs, consumers will come to see us as authorities to whom they can turn.

WQA Position Paper: Catalytic, Electromagnetic and Magnetic Devices Claimed to Treat Drinking Water   Water Quality Products March 1997

Code of Ethics   Water Quality Products March 1997
This Code of Ethics sets standards of conduct for industry members in their dealings with their customers, among themselves, with members of related industries, and the public at large.