Editorial Articles

The first-pass feed pressure on the desalination membranes at the 139,000 gpd Cayman Brac salt water reverse osmosis (RO) plant in the...

Liquid feed ends hydraulic hammering Problem Hydraulic hammering in the chemical feed pump system of Anchorage (Alaska) Water and Wastewater caused pump failures and...

Radiodetection sponsors locate rodeo Radiodetection is a Diamond Sponsor of the 10th Annual International Locate Rodeo. The event recognizes the competitive skills of...

There are various reasons why it’s tough to engage the public on water infrastructure issues. One, the pipes are out of sight...

Sludge blanket monitor The Portable Optical Sludge Blanket Tracker from Cerlic Environmental Controls allows operators to accurately determine blanket and fluff depths. The...

The CNIguard (critical national infrastructure) intrusion detection system from The Bilco Co. protects access points in drinking water distribution systems against vandalism...

Paul Rivett knows that when the phone rings, he’ll be heading out to handle whatever problem has developed in the water system...

It doesn’t sound like a seven-year program to improve water quality and water treatment processes would make life easier for operators, yet...

Reliable. Resourceful. Responsible. Those are good words to describe the people of South Dakota, a frontier state with the fifth lowest population...

The forest-encircled Canoe Brook reservoir in New Jersey is home to many bird and native plant species — and now 400 floating...

Laboratory information management systems (LIMS) have been around for about 25 years, and many water systems use them. The challenge often is...

The City of Hollywood, Fla., is home to hundreds of nesting loggerhead sea turtles, and now an award-winning water tank bears the...

With more than 90 billion gallons of Ohio River water flowing past Louisville each day, why did the Louisville Water Company decide...

PEOPLE/AWARDS The Association of Metropolitan Water Agencies honored 12 public drinking water systems with its top utility management awards. Platinum Awards for Utility...

Metso online measurement technology Low Solids Measurement online technology from Metso enables treatment plants to measure media in difficult applications, including centrifuge centrate....

System solves accuracy drift Problem The Bethpage (N.Y.) Water District metered caustic soda with diaphragm pumps, but accuracy drifted between maintenance periods and the...

The 91st Avenue Wastewater Treatment Plant in Phoenix, Ariz., has a simple mission: meet permits; reduce chemical, energy, and biosolids costs; automate...

Twelve years ago, the Johnson County (Kan.) Wastewater (JCW) website fell short of its potential. Serving about 440,000 customers with seven treatment...

The three-cell, 6-acre aerated lagoon at the Remsen (Iowa) Wastewater Treatment Plant could not meet new ammonia permit levels of less than...