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Online Exclusives
Exam Study Guide: Nutrient Removal Bacteria; and Chemical Feed Pumps
Entry 244535Welcome 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. Last time,...
Online Exclusives
News Briefs: Cryptosporidium Discovery Causes Boil-Water Notice in B.C.
Entry 244538The residents of Prince Rupert, British Columbia, are under a boil-water advisory after city officials found elevated levels of the parasites...
Online Exclusives
Water & Wastewater Education Listing: January 2019
AlaskaThe Alaska Department of Environmental Conservation is offering:Dec. 19-20 — Electrical Troubleshooting & Preventive Maintenance, AnchorageJan. 7-11 — Introduction to Small Water Systems, WasillaJan....
Editorial
An Integrated Fixed-Film Activated Sludge Secondary Treatment Process Helps an Illinois Plant Boost Capacity
The Mahomet (Illinois) Wastewater Treatment Plant sits in a tight 5-acre triangle: on one side a railroad track, on another side the...
Editorial
It All Comes Together: Innovation and Planning Make New Plant Work Right From Day One
When Orren West asked his friends at the Water Environment Federation’s Technical Exhibition and Conference what they thought about a job offer...
Editorial
A Massachusetts Agency Takes Education to the Treatment Plant
For 15 years the Springfield (Massachusetts) Water and Sewer Commission has hosted fifth-graders from the Springfield Public Schools at the wastewater treatment...
Online Exclusives
Year in Review: The Most Popular Articles of 2018
As 2018 comes to a close, we’d like to take a few moments to look back on some of our most popular...
Editorial
A New Online Technology Lets Operators Monitor Color Closely
Removal of color from process streams is important in drinking water treatment and in various industrial applications.
To control color, it is first...
Editorial
Here's All a 6-Year-Old Needs to Know About the Wastewater Treatment Plant
On a visit with the grandsons last summer, 6-year-old Tucker out of the blue began talking about the “water wasting treatment plant.”...
Editorial
Exam Study Guide
WASTEWATER
By Rick Lallish
What process control measure has the most influence on sludge quality and determines the sludge age in an activated...
Editorial
Reuse, Recovery and Energy Management
Decanter effectively replaces belt press
Problem: For the West Central Conservancy District in Hendricks County, Indiana, the dry matter produced by its belt...
Editorial
Worth Noting - January 2019
People/AwardsThe City of Long Beach received a Wastewater Treatment Plant Outstanding Performance Award from the Washington State Department of Ecology for achieving...
Editorial
Pump with integrated intelligence
Cleaning out biosolids, sand, grease and other debris from a sump tank is often an unpleasant and costly task. While many pumps...
Editorial
Upgraded sodium hypochlorite generation
Drinking-water treatment plants use various forms of chlorine to inactivate pathogens, oxidize metals or metalloids, and provide disinfection residual for distribution systems....













