Editor's Note: Innovation was a big theme at WEFTEC 2014. We'll be featuring a few of the new and better technologies found...
Entries Tagged Activated Sludge System
Editorial
To A New Level
The Graton (Calif.) Community Services District (GCSD) had just been formed in July 2004 when the Regional Water Quality Control Board issued...
Editorial
Up With Efficiency
When the City of Winter Haven Utility Service Department began an aggressive cost savings program in 2012, leaders made sure the operations staff...
Online Exclusives
Exam Study Guide: Activated Sludge Troubleshooting
When operators are faced with licensing exams, they sometimes struggle with test anxiety because they don’t fully understand how to properly study...
Online Exclusives
Nematode Infestation Demands Process Changes
The wastewater treatment industry faces new challenges every day. Technologies are developed to meet compliance standards in the face of these new...
Editorial
Wastewater Treatment Systems
Turbo blower leads to energy efficiencyProblem
Lakota Wastewater Treatment Plant in Lakehaven Utility District, Wash., sought to address rising energy costs and aging...
Videos
"Excellence, Start to Finish" - Lodi, Calif. - August 2013 TPO Video Profile
A lot has changed since 2007 at the White Slough Water Pollution Control Plant in Lodi, Calif. There’s a new biosolids process,...
Editorial
All In for the Hometown
Maybe John McCool would rather have an automated bar screen scraper instead of having to rake the screen three times a day....
Editorial
Excellence, Start to Finish
A lot has changed since 2007 at the White Slough Water Pollution Control Plant in Lodi, Calif. There’s a new biosolids process,...
Online Exclusives
Modified Settleability Test for Activated Sludge Treatment
One of the tried and true process control tests of the activated sludge treatment method, the settleability test has become an operator’s...
Online Exclusives
Process control using Sludge Volume Index (SVI)
In a previous article (“What the Heck is SVI?”), I discussed sludge volume index (SVI) and its value as a process control...
Editorial
When the Numbers Don’t Add Up
The plant operator was at his wits' end. The sludge just wouldn't settle, no matter how he tried to control...
Editorial
Growing as Partners
The Missouri River and Mississippi River waste-water treatment plants in St. Charles, Mo., have been challenged to keep up with ...
Editorial
Back From the Grave
You wouldn't know it by looking, but the Paris Utility District in the Village of South Paris, Maine, has a brand...



















