Following the lifting of the recreational advisory on the Potomac River, DC Water has begun restoring parkland damaged by January's massive sewage...
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Ensuring Chemical Compatibility in Water Treatment Equipment
The use of chemicals is critical in many aspects of drinking water and wastewater treatment, from disinfection to pH adjustment to coagulation. ...
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From Screen Building to Solids Drying: Complete Modernization of the La Crosse WWTP with HUBER
In 2021, HUBER Technology, the Denver, North Carolina-based subsidiary of HUBER SE, was awarded the contract for the modernization of the La...
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COLE Publishing Awarded Final Ralph Macchio Lifetime Achievement Award
The Ralph Macchio Lifetime Achievement Award, the wastewater industry’s highest honor, was presented for a final time last week at the Water...
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A Smart, Long-Lasting Pumping Solution
The Barnes envie3 gives treatment plants a smarter, longer-lasting pumping solution built in Ohio. Its premium IE3 motor and patented closed-loop glycol...
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When Is a Mechanical Metering Pump the Better Option?
The proliferation of smart technology in metering pumps has resulted in a variety of high-tech features and capabilities, all the bells and...
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How Jefferson County, Alabama, Transformed Its Wastewater Data Management
Jefferson County, Alabama, is the largest county in the state, serving more than 700,000 residents across nine wastewater treatment facilities. With a...
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Expect the Unexpected: Handling the Unknowns of Septage Receiving
Decentralized treatment of wastewater represents a significant portion of the cumulative wastewater flow to be treated in the United States. According to...
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Hassle-Free Chemical Delivery
CHEM-FEED MD1 chemical metering pumps feature exclusive dual-diaphragm hyper-drive technology for smooth chemical dosing that virtually eliminates issues of vapor lock, lost...
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State-of-the-Art Renewable Energy Facility Features Vogelsang Equipment
Until 2013, KB Compost Services was under contract with the city of Akron, Ohio, to operate the Akron compost plant. In 2013,...
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Nation’s Best Design-build projects recognized for collaboration
The Design-Build Institute of America (DBIA) recently announced the winners of its 2018 National Design-Build Project/Team Awards competition.The program promotes exceptional diversity...
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News Briefs: Study Links Treatment Upgrades to River Recovery in Waterloo, Ontario
A recent study by University of Waterloo researchers highlights the environmental benefits of a $450 million wastewater treatment upgrade in the Region...
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Utility Customer Experience Hinges on Website and App Engagement, Study Finds
As the nation’s electric, gas and water utilities continue to be on high alert to the threat of weather-driven outages and service...
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SWPA Announces Pumping Systems and Controls Training Seminar
The Submersible Wastewater Pump Association will host its premier two-day Pumping Systems and Controls Training Seminar April 21-22 at the DoubleTree by...
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The Importance of Administrative Controls
OSHA’s Hierarchy of Controls has five levels of control: Elimination, Substitution, Engineering, Administrative and PPE. Administrative controls rank No. 4 on their...
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Product News: OZ Lifting Products, WILO USA, NETZSCH Pumps and More
OZ Lifting Products wireless hoist optionsOZ Lifting Products offers wireless control options for its electric chain hoists and electric builder’s hoists with...
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News Briefs: President Orders Federal Takeover of Potomac Spill Cleanup
Entry 257928Reuters reports that President Donald Trump has directed federal authorities to assume control over the response to a the spill in Washington,...
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Exam Study Guide: Aerobic Digestion and Water Filtration Processes
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.
Last time, we covered...
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Treatment Plant Operator Exam Study Guide Answers
What is the main problem found when aerobically digesting primary sludge?
The answer to the question is B, to maintain DO levels,...



















