Laboratory Analysis

Nematodes are a metazoan commonly found in wastewater treatment processes in small numbers. It is believed that nematodes typically enter wastewater treatment...

In middle school, Elisabeth Werth did science experiments and built rockets. Science was a natural fit: “I’ve always been curious and scientific,” says...

Spirochaetes are a phylotype commonly recognized in wastewater biological processes that are associated with high organic acid concentrations. Spirochaetes are recognized by...

Thiothrix is a filamentous bacteria morphotype as well as a genus with seven recognized species. When referring to Thiothrix genus, we are...

Lab testing in clean-water plants is critical to permit compliance and the process controls that enable it. An essential part of testing is...

The Hillsborough County Environmental Protection Commission laboratory provides environmental impact testing for chemical analysis of air, water and sediment samples at local, state...

Zoogloea bacteria are a morphotype/phenotype of bacteria that are commonly viewed within flocs in wastewater treatment processes that are large producers of...

What does a career spanning more than three decades in one place look like? Ask Michele “Shelly” Higdon, laboratory manager for the Shelbyville (Indiana)...

This year, WEFTEC reshaped its annual Operations Challenge for its 2020 virtual expo experience, as two- and four-person teams competed remotely in...

You may know tardigrades by another name, whether it’s water bear or even moss piglets (thanks to an episode of the South...

Wastewater treatment plant operators have relied on a variety of monitoring tools — DO, pH, SV30/SVI, sludge depth — to keep facilities...

Treatment Plant Operator’s Bug of the Month is an ongoing series that spotlights the organisms present in wastewater microbiology. Each month a new...

The Centers for Disease Control and Prevention and the U.S. Department of Health and Human Services, in collaboration with agencies throughout the...

Treatment Plant Operator’s Bug of the Month is an ongoing series that spotlights the organisms present in wastewater microbiology. Each month a new...

Almost certainly you’ve seen headlines about wastewater treatment plants around North America joining the fight against COVID-19 by testing wastewater in an...

Treatment Plant Operator’s Bug of the Month is an ongoing series that spotlights the organisms present in wastewater microbiology. Each month a new...

Quantifying, specifying and targeting the organisms found in water and wastewater systems is a major component in a utility’s effort to release...