Online Exclusives

Blowers decrease energy consumption and reduce noise, heat and maintenance costsProblem: King County, Wash., wanted more energy efficiency in upgrading the aeration...

If you just happened to pop in at the Willis Wastewater Treatment Plant, the team would not object to giving you a tour.That’s...

Many technologies can help detect leaks on a water distribution system. Acoustic sensors can be deployed in the field by attachment to...

Listening to operators discuss their experiences with nitrogen control at the 2012 WEFTEC Conference convinced manager Michael Lunn of the Grand Rapids...

“Doing what they need to do, with what they have.” That would be an appropriate tagline for the Attleboro (Mass.) Wastewater Treatment...

Trees, trees and more trees proved to be a natural solution for meeting tightened effluent ammonia limits at the City of Woodburn...

Cogeneration is nothing new to the clean-water industry, but in southern California, the Orange County Sanitation District has taken it one step...

On one hand it wasn’t easy switching from an old, familiar conventional water treatment plant to brand-new technology. On the other hand, it...

You might have seen the photo by now: a large Winnie the Pooh plush toy blocking a sewer drain in East Kilbride,...

The atypical design of the Cohasset (Mass.) Wastewater Treatment Plant confuses visiting operators and challenges those who run it. Mark Cataldo, project...

Many operators cringe at the thought of conducting plant tours. Images of 100 third-graders running amok around dangerous equipment race through their...

COLE Publishing launched Treatment Plant Operator magazine in 2009 to serve the operations side of the wastewater treatment profession. We started Water...

The JM-2900 Jet-Set gas-powered water jet from General Pipe Cleaners is an economical alternative to larger water jets. It has the power...

Trenchless pipeline rehabilitation has come a long way in the years since its development. Pipe bursting and horizontal directional drilling are proven...

Concerned? Not really.Interested? Of courseThat’s the stance biosolids specialists are taking in response to a May 12 article in Scientific American magazine...

In the past few months, we’ve discussed troubleshooting overall onsite system problems. Now let’s take a closer look at troubleshooting a failing drainfield.Drainfield,...

Green Leaf Inc., a manufacturer of liquid handling products located in Fontanet, Ind., announced that a number of its products being produced...

With 25 years managing workers on drilling and workover rigs, Tom Goosman, 70, appreciates technological developments that make it easier for him...

Houston-based GHX Industrial LLC, a subsidiary of The United Distribution Group reported that it has acquired the operations and assets of Harvey,...