Nematodes are a metazoan commonly found in wastewater treatment processes in small numbers. It is believed that nematodes typically enter wastewater treatment...
Laboratory Analysis
Displaying results 86-102 of 241
Editorial
From Building Rockets to Analyzing Wastewater: Liz Werth Finds a Rewarding Career
In middle school, Elisabeth Werth did science experiments and built rockets.
Science was a natural fit: “I’ve always been curious and scientific,” says...
Online Exclusives
Bug of the Month: What Spirochaetes Indicate About Your Treatment Facility
Spirochaetes are a phylotype commonly recognized in wastewater biological processes that are associated with high organic acid concentrations. Spirochaetes are recognized by...
Online Exclusives
Bug of the Month: Thiothrix Is Commonly Responsible for Bulking Episodes
Thiothrix is a filamentous bacteria morphotype as well as a genus with seven recognized species. When referring to Thiothrix genus, we are...
Editorial
Emerald Coast Mfg. Technology Makes Water Sampling a Breeze
Lab testing in clean-water plants is critical to permit compliance and the process controls that enable it.
An essential part of testing is...
Editorial
Hillsborough County's Lab Renewal Project Puts a Premium on Durability
The Hillsborough County Environmental Protection Commission laboratory provides environmental impact testing for chemical analysis of air, water and sediment samples at local, state...
Online Exclusives
Bug of the Month: Zoogloea, the Glue of Floc Formation
Zoogloea bacteria are a morphotype/phenotype of bacteria that are commonly viewed within flocs in wastewater treatment processes that are large producers of...
Editorial
Many people helped Shelly Higdon advance in her career. Now she takes time to pay it forward.
What does a career spanning more than three decades in one place look like? Ask Michele “Shelly” Higdon, laboratory manager for the Shelbyville (Indiana)...
Online Exclusives
2020 Operations Challenge Winners Announced
This year, WEFTEC reshaped its annual Operations Challenge for its 2020 virtual expo experience, as two- and four-person teams competed remotely in...
Online Exclusives
Bug of the Month: Tardigrades, Smaller Than the Average Bear
You may know tardigrades by another name, whether it’s water bear or even moss piglets (thanks to an episode of the South...
Online Exclusives
Using Molecular Diagnostics for Wastewater Monitoring
Wastewater treatment plant operators have relied on a variety of monitoring tools — DO, pH, SV30/SVI, sludge depth — to keep facilities...
Online Exclusives
Bug of the Month: Nitrobacter's Role in Activated Sludge Processes
Treatment Plant Operator’s Bug of the Month is an ongoing series that spotlights the organisms present in wastewater microbiology. Each month a new...
Online Exclusives
Federal Agencies Announce National Wastewater Surveillance System for COVID-19
The Centers for Disease Control and Prevention and the U.S. Department of Health and Human Services, in collaboration with agencies throughout the...
Online Exclusives
Bug of the Month: Control Strategies for WWTPs Dealing With Microthrix
Treatment Plant Operator’s Bug of the Month is an ongoing series that spotlights the organisms present in wastewater microbiology. Each month a new...
Online Exclusives
Why Wastewater Testing Is Critical in the Fight Against COVID-19
Almost certainly you’ve seen headlines about wastewater treatment plants around North America joining the fight against COVID-19 by testing wastewater in an...
Online Exclusives
Bug of the Month: How Hyphomicrobium Can Indicate Wastewater Septicity
Treatment Plant Operator’s Bug of the Month is an ongoing series that spotlights the organisms present in wastewater microbiology. Each month a new...
Editorial
Product Spotlight - March 2020
Quantifying, specifying and targeting the organisms found in water and wastewater systems is a major component in a utility’s effort to release...














