Adapting to Arsenic Rules   Water & Wastes Digest August 2005   By Wendy L. Chambers and Roman J. Aguirre
The proposal consisted of supplying more than 300 tons of GFH adsorption media and 35 large diameter pressure vessels, including instrumentation and controls as well as backwash storage tanks.

Pipe Flexible for Various Applications   Water & Wastes Digest August 2005   By Tanya Rouce
Working on a tight timeline, contractors finished the work between January and June 2004. It is the largest such project completed by Artesian Water to date.

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.

Caldwell Tanks Goes the Extra Mile for Kids   Water & Wastes Digest May 2005   By Denise Covelli
Caldwell Tanks of Louisville, Ky., helped create this unique tank design for Kyle and Pattie Petty’s Victory Junction Gang Camp, which opened last summer to provide a haven for chronically ill children.

Population Boom Leads to Plant Expansion   Water & Wastes Digest March 2005   By David Braden
Recent upgrade allows the Poplar Grove Utility District in southwestern Tennessee to accommodate the needs of 8,000 more residents

Finding Leaks Leads to Saving Money   Water & Wastes Digest February 2005   By Betsy Loeff
We hate the expression unaccounted-for water,” Carl Yates, the utility’s general manager, said. “So we started using our SCADA system to monitor nighttime flows in an effort to understand consumption patterns and identify potential problems.”

Dealt A Straight Flush   Water & Wastes Digest August 2004   By Dan McKeague
“Flushing, especially early in the year, was taking my employees away from other, more productive tasks” said Jason Green, owner of CWS.

IS Teams Aid AMR Installations   Water & Wastes Digest August 2004   By Betsy Loeff
Honeywell installers began deploying the 87,000 Hexagram endpoints in the utility’s fixed-network system two years ago.

Public-Private Partnerships Continue to Flourish   Water & Wastes Digest May 2004   By Eric Risch
While the number of public-private partnerships continues to grow, the full potential of private sector involvement has yet to be realized.

Prefab Pump Station Proves Worth   Water & Wastes Digest April 2004   By Clifford Seth
“We couldn’t put all we needed above ground because the expense was prohibitive, and the prefabricated option for the pump station provided the reliability we wanted for the underground addition.”

A Reliable Tool   Water & Wastes Digest April 2004   By Rick Davis
By implementing fluorescent technology in the measurement of DO levels, wastewater professionals may have a reliable tool that allows for the optimization of the biological processes and a reduction in the aeration costs related to energy usage.

Advances in Magmeter Technology   Water & Wastes Digest April 2004   By Jeffrey A. Galvin
For many reasons, applications for magmeters have mushroomed in a number of key markets, including those in water and wastewater.

George Warren Fuller, Industry Pioneer   Water Engineering & Management May 2003   Bill Swichtenberg
The George Warren Fuller Award is presented annually to one member of each section of the American Water Works Association (AWWA). It is based on recommendations from the sections for distinguished service in the water supply field and "in commemoration of the sound engineering skill, the brilliant diplomatic talent and constructive leadership talent" that characterized Fuller's life.
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Feasibility Study Proposes Inflatable Dam   Water Engineering & Management November 2001   By Garnet Daus
>The Wyoming Valley (Pa.) Inflatable Dam Feasibility Study recently received a National Honor Award in the studies, research and consulting engineering services category at the ACEC Engineering Excellence Awards Competition. The annual event celebrates engineering achievements that demonstrate the highest degree of merit and ingenuity.
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Coping with Resistance to Copper/Silver Disinfection   Water Engineering & Management November 2001   By W. Craig Meyer
Numerous facilities have invested in copper/silver disinfection systems to address the limits of traditional water treatment methods. It seems likely that, as bacterial populations develop resistance, many of these systems will become less effective through time.
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Plastic Pipe Used in RO Project Provides Residents with Clean Water   Water Engineering & Management November 2001
A competitive price won the attention of a Texas engineering firm to high density polyethylene (HDPE) pipe. However, good performance won its loyalty.
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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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Primary Coagulant Aid Outperforms Alum, Slashes Operating Costs   Water Engineering & Management October 2001
At a water treatment plant in Cleveland a primary coagulant aid slashed the operating costs.
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Primary Coagulant Aid Outperforms Alum, Slashes Operating Costs   Water Engineering & Management October 2001
At a water treatment plant in Cleveland a primary coagulant aid slashed the operating costs.
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Controlling Nitrification in a Water Distribution System Using Sodium Chlorite   Water Engineering & Management September 2001   Thomas L. O’Connor, Bart Murphy and Dr. John T. O’Connor, P.E.
Engineers set out to discover whether the direct addition of sodium chlorite to a water stream might be an effective nitrification control process.
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August 2001 Editor's Desk   Water Engineering & Management August 2001   Bill Swichtenberg
Water Matters! was the slogan of a rally dedicated to communicating the importance of safe and clean drinking water and securing support for promoting water issues with government leaders.
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Upgrading Well Water Disinfection Systems   Water Engineering & Management August 2001   Randy Walsh
Disinfection systems treat one city's groundwater supply, allowing the city's aquifers to meet EPA and local water quality regulations.
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Evaluation of the Use of Crushed Recycled Glass as a Filter Medium: Part 2   Water Engineering & Management August 2001   Richard W. Elliott, P.E.
Performance studies show that crushed recycled glass can provide capital and annual cost savings over traditional sand filter media.
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Waterproofing the Montsouris Reservoir: Using Hydraulic Binders and Nonwoven Geotextiles to End Leaks   Water Engineering & Management August 2001
Leakage problems have plagued the reservoir since it entered service.
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Pipeline Rehab Survives the Elements   Water Engineering & Management August 2001
Projects rarely are easy. However, throw in a remote site, steep siphon, a limited number of access points, harsh winter conditions and environmental concerns and you have a daunting project.
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Polyethylene Pipe Chosen for Delicate Northwest Estuary/Aquarium   Water & Wastes Digest July 2001
Two plants separated by Oregon's Yaquina Bay needed to be connected with two separate pipelines: one line to bring raw sewage to the new plant and one line to carry the finished refuse back to the old plant.
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New Water Meter Thrives in Harsh Environment   Water & Wastes Digest July 2001
The Nevada desert: grit, dust, blazing hot sun by day and ground frosts by night. Just the place to stake out a water meter in an open pit and see how long it can last. That is what happened to a new SmartMeter -- with some revealing results.
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Coatings Repair 20-year-old Pump, Save Replacement Costs   Water & Wastes Digest July 2001
When one of four circulating water pumps at the Potomac Electric Power Company (PEPCO) Chalk Point Generating Station began to leak, engineers began to worry.
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Evaluation of the Use of Crushed Recycled Glass as a Filter Medium: Part 1   Water Engineering & Management July 2001   Richard W. Elliott, P.E.
When compared with traditional sand filter media, crushed recycled glass can provide significant capital and annual cost savings.
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New Technology Desalinates Sea Water at 80 Percent Less Cost than Current Methods   Water Engineering & Management July 2001
Demand for a cheaper way to transform saltwater into fresh has spurred the development of a new technology by AquaSonics International, Inc., the Rapid Spray Distillation (RSD) process, that desalinates water at a fraction of the cost of current methods.
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Flexible Monitoring System Helps Ohio Company Meet Daily EPA Measurement Requirements   Water & Wastes Digest May 2001
An Ohio utility company provides water plant operator services to facilities throughout the state, including several very large travel center operations. Daily monitoring became time consuming and costly, so they sought a more efficient solution by investigating plant monitoring systems.
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Duty Calls For Local Awareness   Water Quality Products May 2001   Wendi Hope King
Editorial: May 6—12 is National Drinking Water Week (NDWW). It is our duty and opportunity as water professionals to make this week work for us by incorporating local companies, expertise and even the Water Quality Association (WQA) into NDWW.
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Design-Build Model Helps Home Developer Meet Demands    Water Engineering & Management May 2001
Forty miles west of Chicago in a growing urban area, the village of Huntley is dealing with a typical growth issue. The problem is providing high-quality water and wastewater utilities to an ever-growing community quickly and cost-effectively.

Long-Term Settlement of a Large Water Standpipe   Water Engineering & Management May 2001   Steven Law and John Kasprzak
When tank settlement is anticipated, certain precautions must be taken to assure that the tank settles properly.
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Environmental Control Speeds Water Tank Project   Water Engineering & Management April 2001
Concerns about expenses, deadlines and the environment all came into play when the Helix Water District near San Diego, Calif., had to recoat a four-million-gallon water storage tank.

Desalination of Seawater Helps Meet Fresh Water Demand   Water Engineering & Management April 2001   J.L. Martin-Lagardette
Three French companies are meeting the water demands of large populations through the use of seawater desalination.
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Modern Water Conditions in the Northwest Part of Ukraine: An Analysis   Water Engineering & Management April 2001   Victor Moshynsky
In Ukraine, the monitoring of superficial waters is carried out by the state. this ecological monitoring is the main source of objective information on the condition of waters and territories.

Verification Testing: The First Step to Clean Water   Water Engineering & Management April 2001   Gene C. Koontz, P.E., and Andrea L. Santa
Who is testing manufacturers’ purification systems and equipment? This article describes EPA’s Environmental Technology Verification Program.

Insertable Electromagnetic Flowmeter Solves Difficult Piping Problem   Water & Wastes Digest April 2001
A difficult piping arrangement that included limited distance between the metering site and pipe fittings posed a dilemma for the engineering staff at a city of Frederick, Maryland, raw water pumping station.
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Pumping Up Big John   Water Quality Products April 2001   Metropolitan Industries
The John Hancock building, located on Chicago’s Magnificent Mile, needed to revamp its entire pumping and reservoir system without shutting off water to the building’s residents.
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French Firms Create Better Ways of Monitoring and Controlling Drinking Water Quality   Water Engineering & Management March 2001
"We may not have any oil, but we have ideas!" This saying, common in France after the first oil shock in the 1970s and 1980s, has been transformed into tangible reality, particularly in the field of analysis and automation in the water industry.

Old Water Line Meets New Technology   Water Engineering & Management March 2001   Tom Gigliotti
The City of Pittsburgh is in the process of a renaissance. Builders must raze the old to make way for the new. In the spring of 1997, the City of Pittsburgh imploded an old building in the center of the downtown shopping district and built the new Lazarus department store. The store’s main entrance is located on 5th Avenue, Pittsburgh’s main retail street. Oliver Avenue, the street adjacent to the new building, is the location of the main water line feeding the new building as well as several adjoining structures.

The Stormwater Challenge   Water Quality Products February 2001   Greg Gilles, Apyron Technologies, Inc.
Apyron Technologies, Inc., a material synthesis company in Atlanta, and Keystone Environmental, an environmental engineering consulting company in Vancouver, B.C., recently worked together to launch an arsenic remediation project for J.H. Baxter, one of the nation’s leading wood preservation companies.
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Municipal Plant Upgrades Wastewater Treatment With New Magnetic Flowmeters   Water & Wastes Digest February 2001
Wisconsin's Madison Metropolitan Sewerage District needed to replace its aging electromagnetic flowmeters at 32 points in its Nine Springs Wastewater Treatment Plant. After carefully weighing its options, the district decided to purchase UniMag magmeters from Isco, Inc.
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Innovative Odor Control -- A Good Neighbor Program   Water & Wastes Digest February 2001
The Water and Wastewater Utility Department of the city of Austin, Texas, manages the operation of a regional sludge processing facility where they faced an odor problem. Working with a consultant, they purchased a fixed bed, iron oxide based odor control system from The SulfaTreat Company.
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Packed-Bed Ion Exchange Trains Create Water Treatment Efficiency   Water Engineering & Management February 2001
Packed-bed ion exchange trains in a new demineralized (DI) water treatment system at the OxyVinyls, LP-managed multi-plant site in Pasadena, Texas, have keyed a dramatic gain in treatment efficiency for both boiler feed and process water.

Hollywood Stays Green Using Underground Water Tanks   Water Engineering & Management February 2001
When you literally cannot move mountains, you must figure out a way to work around them.

Basic Essentials   Water Quality Products January 2001   Adam Donnellan, Sunlight Systems
The benefits of ultraviolet (UV) light in destroying waterborne diseases are well established. This article (part one in a continuing series) will focus on explaining the basic terminology associated with the technology.
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Products At Work: Company Lowers Operating Costs with Predictive Maintenance   Water Engineering & Management January 2001
When you have to ensure service to 4,000,000 customers, predictive maintenance is a must," said Michel Mercier, technical director of Syndicat des Eaux de I’Ile de France (SEDIF), the water treatment and distribution company serving major portions of Paris and suburbs.

Choosing the Right Disinfection Technology for a Municipal Drinking Water Plant - Part 2   Water Engineering & Management January 2001   Dr. Hubert Fleming and Wayne Huebner
These profiles of various disinfection processes can help managers decide which process is best suited for their treatment plant.
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Water Quality Deterioration in Distribution Systems: Part 3   Water Engineering & Management January 2001   Thomas L. O’Connor and John T. O’Connor
This article summarizes studies directed at controlling microbial growths in distribution systems supplied by groundwaters containing ferrous ion and naturally occurring microbial nutrients.

Remote Water Treatment Process System Benefits   Water Engineering & Management January 2001   Andy Harris
Conventional water treatment control systems often lack the ability to communicate all process parameters from a centralized location to the point of operation. Thus, standardized control of all the facilities within a water district is difficult. Process adjustments performed onsite may not conform to federal, state or municipal regulations for water quality control.
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Reconsideration of Hydrostatic Leakage Allowance Provided in AWWA C-600 Standard   Water Engineering & Management November 2000   H. Steven Kanofsky and John Kasprzak
A sanitary commission conducts tests that show that there is no reason why the maximum leakage allowance shouldn't be reduced by half.

Water Quality Deterioration in Distribution Systems: Part 2   Water Engineering & Management November 2000   Thomas L. O'Connor and John T. O'Connor
This article assesses the role of microorganisms in distribution main corrosion and tries to understand th sources of these microorganisms.

Failsafe SCADA System Monitors Distribution of Natural Gas and Water   Water Engineering & Management November 2000

Choosing the Right Disinfection Technology for a Municipal Drinking Water Plant - Part 1   Water Engineering & Management November 2000   Dr. Hubert Fleming and Wayne Huebner
Managers of water treatment plants must be able to choose the right disinfection system to bring their plants into compliance with government regulations.

Shake, Rattle & Roll: Pipe Bursting Provides Seismic Upgrade Solution in California   Water Engineering & Management October 2000   Jim Schill
One water district recently utilized pneumatic pipe bursting to help complete a seismic upgrade and retrofit one of its key water mains.

Making Yankee Doodle Dandy: Ground Storage Reservoir Restoration   Water Engineering & Management October 2000   Dan Zienty
Fourteen entities came together to repair and restore a storage reservoir tank that was showing signs of advanced deterioration both inside and out.

Water Quality Deterioration in Distribution Systems: Part 1   Water Engineering & Management October 2000   Thomas L. O'Connor and John T. O;Connor
For more than a century, scientists have tried to develop solutions to water quality deterioration caused by microorganisms.

Abracadabra: Radio Survey Keeps SCADA Project on Schedule   Water Engineering & Management September 2000   Lawrence LeBeau
Radio communication was used to link remote locations spanning six counties and provide for a state-of-the-art SCADA system.

Balancing Act: Small Community Water Supplier Mulls Affordable Corrosion Control with Pleasing Aesthetics   Water Engineering & Management September 2000   Robert A. Leitch, P.E.
Elevated levels of iron and manganese were giving one community trouble, but a water softening system was able to alleviate these problems.

Greenhouse Water Management Practices: Greenhouse Practices Increase Need for Water Treatment Equipment   Water Quality Products July 2000   Jerry Kovach
Water recycling has become a popular trend in the agricultural industry—one that creates an opportunity for water treatment suppliers to assist growers with the specification, installation and maintenance of water treatment.

Air Chamber Eliminates Water Distribution System Main Breaks   Water Engineering & Management April 2000
Burr Ridge, Ill., has celebrated its fifth year of nearly eliminating main breaks in its water distribution system thanks to an innovative concept developed by a water superintendent who studied the problem for more than 20 years.

Irrigation Pipeline Installed Over 14 Miles of Rough, Hilly Terrain   Water & Wastes Digest March 2000

Meeting the Long-Range Water Needs of a New Community   Water Engineering & Management March 2000   Charles K. Cothern

Impact of New HI Standard on Pump Intake Design   Water Engineering & Management March 2000   Robert L. Sanks, Arnold Sdano, George E. Hecker and Jack Claxton

Scientists Help Tackle Pollution, Climate Change   Water Engineering & Management March 2000

Facility Combines Two Technologies, Increases Water Quality   Water Engineering & Management March 2000

Optimizing Chemical Feed at Watertown Water Wells   Water Engineering & Management March 2000   Michael C. Olesen

Agency Cruises for Floating Water Sampling Laboratory   Water Engineering & Management March 2000

Civil Engineering Firm Designs Marine Laboratory   Water Engineering & Management February 2000

Massachusetts Twin Tanks Built to Accommodate New Rules in Half the Time   Water Engineering & Management February 2000

Modular Cover Stops Algae, Eliminates Chemical Usage   Water Engineering & Management February 2000

Renewing a Leader Brick By Brick: An Interview with Calgon Carbon's Jim Cederna   Water Engineering & Management February 2000   Bill Swichtenberg

Desalination System Brings Water to Small Island Off Washington Coast   Water & Wastes Digest February 2000
Off the coast of Washington, 32 families on Guemes Island were faced with an aging well that was drawing salt water into its system. Because groundwater is scarce on the island, residents had to rely on what little rain water soaks into the ground.

Electrocoagulation Technology Keeps Site In Operation, Meets Regulatory Requirements   Water & Wastes Digest February 2000   Louis H. Knieper
An oily water treatment facility on the Sabine River near Port Arthur, Texas, was not in compliance and had a large inventory of wastewater on site.

Cincinnati Automotive Bolt Manufacturer Improves Effluent Quality, Entire Process   Water & Wastes Digest February 2000

California Water District Improves Reliability With Radio Modems   Water Quality Products January 2000

Water Utility Mixes Technology and Creativity For Control and Communications Solution   Water Engineering & Management January 2000   Roland Rossmiller, P.E. and M. Cyrus Moaveni, P.E.

Open Channel Flow Reporting Improved and Streamlined   Water Engineering & Management January 2000
FlowReporter programs can be adapted to operate with other microprocessor-based flowmeters provided the necessary technical specifications are supplied to accommodate such adaptations or program developments.

A New Look at Disinfection By-Products in Drinking Water   Water Engineering & Management January 2000   Taha F. Marhaba, Ph.D., P.E.

Tensiometer Monitors Contaminant Levels in the Vadose Zone   Water Engineering & Management January 2000

Two New Aquatic Attractions Use Ozone Treatment For Disinfection, Color Removal   Water & Wastes Digest November 1999
Ozone is rapidly emerging as the most efficient and ecologically sound oxidant to treat both organic and inorganic substances. A fast-acting and effective treatment technology, ozone is now used in a variety of water treatment applications.

Chicago Treatment Facilities Utilize Latest TechnologyIn Monitoring, Data Acquisition   Water & Wastes Digest October 1999
Chicago is home to the two largest water treatment plants in the world. The rigorous process followed must meet both U.S. Environmental Protection Agency and Illinois Pollution Control Board standards.

New Ductile Iron Check Valve Stops Water Hammer In Louisiana Municipality   Water & Wastes Digest August 1999
After suffering years of water hammer problems and the resulting effect on maintenance personnel and equipment, the St. Charles Parish Municipality in Louisiana needed a product that would save them both time and money. Milliken Valve Company of Bethlehem, Pa., provided the answer.

Remote Wireless Meter Reading Technology Utilizes Only Digital Control Channels   Water & Wastes Digest August 1999
The challenge from a major natural gas transmission company was simple: develop a low cost, remote wireless technology that could provide daily automatic PC meter reading. The solution, developed by PGI International of Houston, Texas, was a product called Skylemetry.

Low Lead Bronze Water Meters: Common Questions   Water & Wastes Digest July 1999   Patrick T. Grayson
A question-and-answer session with Patrick T. Grayson, president of ABB Water Meters Inc., about low lead bronze water meters.

Continuous Electrodeionization: The Chemical-Free Way to Produce High-Purity Water   Water Quality Products April 1999   by Trude Witham
The cost of chemical regeneration and waste neutralization rises, industries search for alternatives.

Traveling Bridge Filter Problems Eliminated   Water & Wastes Digest March 1999
Bethel Park, Pennsylvania installed two 4MGD traveling bridge filters in 1980. According to Joe Witkowski, who manages the facility, "We had serious media leakage with our old filters. We had continuous backwashing and mechanical problems - they just couldn't handle high flows. Plus, they had serious media leakage problems."

Contaminated Land Receives Quick Remediation   Water Engineering & Management March 1999

Filtration Process Restores Murky Pools   Water Engineering & Management March 1999   Jim Jebbia and David Simon
One Hawaiian hotel was able to quickly fix a filter problem that was turning its tropical ponds into a milky and murky mess.

Water District Finds Alternative to Traditional Roofs   Water Engineering & Management February 1999

Erosion Control System Protects Against the Elements   Water Engineering & Management February 1999

Strategies for Minimizing Ozonation By-Products in Drinking Water   Water Engineering & Management February 1999   Thomas Grosvenor
This paper summarizes ozonation and by-product formation chemistry as well as ways to control by-product formation.

Natural Attenuation: Using Statistics to Understand Ground Water Contamination   Water Engineering & Management December 1998

Flowmeter Helps Industry Measure Success   Water Engineering & Management December 1998
Many industrial companies rely on accurate metering of the liquid they process through their plants. When the metering fails, so does the process. A paper mill in West Monroe, Louisiana, Riverwood International, discovered this a few years ago when operators found that existing flowmeters were unreliable.

State of Michigan Acquires Energy-Efficient Regenerative Thermal Oxidation Equipment   Water Engineering & Management December 1998

Analyzing Underground Water-Pipe Breaks In Residual Soils   Water Engineering & Management December 1998   Paul F. Hudak, Barry Sadler and Bruce A. Hunter
This study evaluates water pipe breaks caused by one of the world's most costly hazards: expansive soils.

Mother Nature Precipitates a Partnership on Guam   Water Engineering & Management December 1998   Kevin Chandler
After Typhoon Paka ravaged the island nation, this government worked to repair local wells through a partnership agreement.

Fiber Optic Fieldbus Makes Connection at Sanibel Water Company Reverse Osmosis Plant   Water Engineering & Management December 1998   John Leiter
By replacing copper wiring and hardwired relays with fieldbus systems, this plant eliminated nuisance trips and outages.

Flood Wall Protects Jobs in Rural Community   Water Engineering & Management November 1998

Underdrain Plate for Potable Water Filtering Provides for Retention of Media   Water Engineering & Management November 1998

Colorado State Parks Keep Beach Closings to Minimum   Water Engineering & Management November 1998

Maintaining Tank IntegrityDuring Mining Operations   Water Engineering & Management November 1998   Terry Breckenridge
When a mining operation dug beneath an elevated tank, steps had to be taken to make sure the tank was not badly damaged.

Automated Chlor/Dechlor Control Protects Fishery, Reduces Chemical and Labor Costs   Water Engineering & Management November 1998   Doug Marks
One water reclamation plant used a high resolution redox cotroller to reduce potential harm to a nearby creek.

Polyethylene Tanks Handle Hard Water   Water Engineering & Management October 1998

What's at the Bottom of Our Waterways? The Importance of Sediment Management   Water Engineering & Management October 1998

Plunging into Protection   Water Engineering & Management October 1998   Todd Hart
An innovative maintenance program maintained the aesthetic and functional appeal of one of the community's tallest structures.

Shoring Up Future Water Supplies with RO Sea Water Plants   Water Engineering & Management October 1998   Alan Smith
As competition for limited water supplies increases, sea water treated by reverse osmosis will become more viable.

Hot Dip Galvanizing Protects Plant from Corrosion for Decades   Water Engineering & Management September 1998

Valves Prevent Water Shortage   Water Engineering & Management September 1998

Purification Facilities Will Protect City's Water Supply   Water Engineering & Management September 1998
New water purification facilities constructed by J.S. Alberici Construction Co., Inc., in Milwaukee, Wisconsin, will ensure the safety of the city's water supply.

Generating Chlorine Dioxide Gas:Chlorate vs. Chlorite   Water Engineering & Management September 1998   Douglas Rittmann, P.E. and Joel Tenney
Is a new method of generating chlorine dioxide gas using sodium chlorate more effective than the typical sodium chlorite system?

Alternative Technology Filtration Plant Based on California Department Regulations   Water Engineering & Management September 1998   David Pafundi and Paul Berry
Faced with exorbitant costs for conventional filtration treatment, one California city tried an alternative technology.

Large Anthracite Media Does the Job   Water & Wastes Digest September 1998   Bill Scully
Tertiary Filtration Piloting conducted at two different WWTPs demonstrate improved performance of large anthracite media compared to dual and single sand media filtration.

Calcium Hypochlorite Chlorinating System Reduces Microbial Growth   Water & Wastes Digest August 1998

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

Vending Machines   Water Quality Products July 1998
An overview of vending.

Membrane Technology Offers High Quality Water at Low Cost for Ontario Municipality   Water Engineering & Management July 1998
Two factors have significantly changed the course of the Township of Ernestown's, located in eastern Ontario, search for a cost-effective approach to upgrading its Amherst (population 6,100) water system.

Los Vaqueros Project: Blending Consistent Water Quality and Reliability with Concern For Environment   Water Engineering & Management July 1998   Bruce Ross
This $450 million project put environmental concerns on equal footing with technical and financial considerations in the planning process.

Standards Development Consensus Process for Alternative Water Treatment Device Systems   Water Quality Products June 1998   Nancy J. Culotta
An article announcing NSF International's letter survey to manufacturers of Alternative Water Treatment Devices (AWTDs).

New Signal Conditioning and User-Configurable Connectivity Hardware for PC-based Data Acquisition   Water & Wastes Digest May 1998
High-Tech Products

All-stainless Tapping Sleeve Installed in Boca Raton Florida   Water & Wastes Digest May 1998
The managers at Boca Raton Service Company made a decision to tap into their 48-in. ductile water line. They wanted to make sure they had the best possible tapping sleeve available.

Low-maintenance Ultrasonic Transmitter Does Not Touch the Fluid   Water & Wastes Digest May 1998
Problem Solvers

Engine Oil Cleans Pre-Existing Piston Deposits   Water Engineering & Management May 1998

Reverse Osmosis Used to Purify and De-nitrify Water in a Municipal Plant   Water Engineering & Management May 1998

Sustainable Development Study Yields Good News for Developers and the Environment   Water Engineering & Management May 1998
A Prince George's County, Maryland, study in sustainable development has yielded beneficial results for both developers and the environment including reduced construction cost, higher lot yield and cleaner water.

Drowning in Groundwater Environmental Monitoring Costs? One Approach Saved $4 Million   Water Engineering & Management May 1998   Peter R. van Dernoot and Camilla Williams, C.E.G.
By becoming a client's advocate, one consulting firm has developed a system to meet environmental regulations while saving money.

Ozonation System Tested in Anticipation of Disinfection By-Product Rule   Water Engineering & Management May 1998   Aubrey LaFargue
In order to comply with more stringent government regulations, one plant converted from chlorine to ozone treatment.

Specialized Motor Controller Manages Pump Surges During Starting and Stopping Cycles   Water Engineering & Management May 1998   Walter Lukitsch, P.E.
Fluid hammer can damage water systems, but specialized motor controllers can reduce surges and prolong system life.

New Waterproof Instruments Put Practicality First   Water & Wastes Digest April 1998   Robert D. Langie
OAKTON Instruments recently released a series of pocket-sized, waterproof and dustproof TDS and conductivity meters.

Automated Chlorination System Helps Chicken Processing Plant Meet U.S.D.A. Sanitation Guidelines   Water & Wastes Digest April 1998

A Bird's Eye View of the Broader Water Market   Water Quality Products March 1998
In order to compete effectively in today's water market, one must understand how the industry is growing and in what direction.

Upgraded Water System Helps Farmers Conserve Water and Save Money   Water Engineering & Management March 1998

Automation Improves Laboratory Efficiency for Water Reclamation District   Water Engineering & Management March 1998

South Pole Station Provides Water Challenges   Water Engineering & Management March 1998   John Stricklan

Water District Solves Instability In Dual Pressure-Reducing Station Design   Water Engineering & Management March 1998   John Bengtson

A Clear View of the Titanic   Water Engineering & Management March 1998

Alternative for Controlling Aquatic Vegetation Developed   Water Engineering & Management February 1998

GA Optimization Applied to Las Vegas Distribution System   Water Engineering & Management February 1998

Computer Simulation Helps Reduce Pressure Loss   Water Engineering & Management February 1998   Oene Roorda
Computer simulation made it possible to optimize a check valve, resulting in a reduction of the system's operating cost.

Lead-Based Paint Removal Presents Challenges   Water Engineering & Management February 1998   Blake Elliott, Peter Zanoni, Ed Ralle and Brad Fuller
Shrouded power tool technology efficiently removes paint without the health concerns and high disposal cost of abrasive blasting.

Creating Safer Work and Community Environments: Gaseous Chlorine to Liquid Bleach Conversions   Water Engineering & Management February 1998   David J. Applegate, P.E.
Converting from gaseous chlorine to sodium hypochlorite can save money and create a safer enviornment for workers.

Health Canada Helps Aboriginal Areas Perform Water Quality Tests   Water & Wastes Digest February 1998

New Coating Technology Protects Underground Steel Tanks   Water & Wastes Digest January 1998
Highland Tank, one of the founders of the Steel Tank Institute and a leading producer of underground protected steel storage tanks, has developed a new innovation in protective coating technology.

Cooling Water Piping Project Provides Cost Effective Alternative to Stainless Steel   Water & Wastes Digest January 1998

Pipe with Sleeve Coupler Installed Under an Ohio Haul Road   Water & Wastes Digest January 1998

Motor Management Solves Water District's Pump Reliability Problem   Water Engineering & Management December 1997

Removing Nitrate from Groundwater   Water Engineering & Management December 1997   Wesley T. Dorsheimer, Charles B. Drewry, David P. Fritsch and Dain E. Williams

A Safe Option for Disinfection: On-Site Sodium Hypochlorite Generation   Water Engineering & Management December 1997   L. Ainsworth and J. Hampton

Automation Project Floods Water Department with Useful Data   Water Engineering & Management December 1997   Lawrence W. Lebeau

Filter Media Rids Iron from Groundwater   Water Engineering & Management December 1997   Yun H. Zhang
The most common process for iron removal from water is to allow water-soluble ferrous iron (FE2+) in water to turn into water-insoluble ferric iron (Fe3+), and then capture FeIII (iron oxide) particles by filtration.

New Pre-treatment System to Help Remove Cloudiness from Drinking Water   Water Engineering & Management November 1997

Water Treatment Plant Saves Energy By Using Adjustable Speed Drives   Water Engineering & Management November 1997

Concrete Repair and Protection with Corrosion Inhibitor   Water Engineering & Management November 1997   Rick Montani
Inhibitors can minimize the corrosion and protect against the further deterioration of concrete structures.

The Effect of Nitrification on Sampling Sites   Water Engineering & Management November 1997   Shin-Ichi Tokuno and Floyd Baker
This article reports on chloramine dissipation with regard to nitrification and how it affects the CT value in plant operation

Sliplining Meets Needs of Miami-Dade   Water & Wastes Digest November 1997

Nostalgic MWD Joins Computer Revolution   Water Engineering & Management October 1997

Work Management Project to Save LA Department $3 Million Per Year   Water Engineering & Management October 1997

Roof Replacement Project Has Residents Staring Skyward   Water Engineering & Management October 1997

Water Disinfection Project Addresses Aral Sea Crisis   Water Engineering & Management October 1997   Jesse Wolf and Syed Mahmood
New chlorination systems may help stem the tide of disease and infant mortality brought about by the destruction of the Aral Sea.

Old Redwood Distribution Line Continues On with Rehabilitation   Water Engineering & Management October 1997   Edward H. Russell
When major repairs of an old wooden distribution line became necessary, a polyethylene sliplining installation was the best option.