Online Exclusives

What is the Mean Cell Residence Time (MCRT) of the following activated sludge process, given the following data: Aeration tank volume 2.5 mgdInfluent...

Optimize your airflow and slash energy waste with a turnkey, weatherproof blower enclosure offering ultra-reliable performance with zero onsite assembly required. Learn more...

Flowmeters are necessary for a variety of drinking and wastewater treatment applications. They may measure the metered chemicals, regulate pump input and...

To save capital cost and footprint, dewatering equipment can be set up to operate in separate modes, as either thickening equipment or...

Midwest Infrastructure Coatings (MIC) has been busy working across Missouri, using OBIC products to restore and protect wastewater clarifiers. In the towns...

Every tradesperson knows this kind of day. The schedule is already packed. The first job runs long. A part is missing. Your phone...

Struggling with aging, oversized blowers and inefficient oxygen control, the Ipswich plant upgraded to a smarter system to slash energy costs and...

The BDP Screw Press provides a significant improvement in dewatering performance and operational efficiency at the Hooksett Wastewater Treatment Facility in Hooksett, New Hampshire. The plant...

From the outside, all rotary lobe pumps may look the same. They operate in the same basic manner with lobes that create...

A new analysis from Carnegie Mellon University reveals a significant disconnect between the physical risks facing U.S. water infrastructure and the financial...

Entry 256358A major infrastructure failure recently resulted in a massive discharge of wastewater into the Potomac River northwest of Washington, D.C. A...

The U.S. Environmental Protection Agency has announced the next step in the agency’s accelerated review of public health risks from fluoride in...

Researchers at the University of Birmingham have demonstrated that a tertiary wastewater treatment technology based on Daphnia — tiny freshwater organisms commonly...

OSHA estimates that nearly 3 million workers in various fields are exposed to the dangers of hazardous energy on a regular basis....

With workforce retirements accelerating across the water and wastewater industry, the newly launched Dirty Drops Weekly newsletter is calling on business owners,...

OZ Lifting Products stainless seriesOZ Lifting Products’ stainless steel range includes chain hoists, lever hoists, trolleys and beam clamps all designed for...

Entry 256374The Long Island Sound is showing significant signs of ecological recovery, with oxygen-depleted "dead zones" shrinking to their lowest recorded levels in...

The Water Research Foundation is now accepting pre-proposals for its matching research program, the Tailored Collaboration Program. The Tailored Collaboration Program provides...

Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. TPO would like to...