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Glycol and Chemicals and Waste, Oh My!

Being in the wastewater industry, I felt an unexpected sense of pride when my 5-year-old daughter asked me about “poo” as she sat in her carseat on the way to school.  I cheerfully started to explain how pipes carry waste to the treatment center, but she interrupted with “Daddy, Winnie the Pooh lives in the Hundred Acre Wood”  … sigh. It’s times

A Reflection of 9/11...

When I was young, my parents would mention that they remembered where they were when they first heard President Kennedy had been shot. They even had old newspapers which covered the assassination stashed away. While I understood this saying to signify a terrible event in US history, I could never fully understand the gambit of emotions that they

Maintenance Considerations for High-Flow Bioretention Systems

High-flow bioretention systems target the removal of suspended solids, total and dissolved nutrients and metals, oil and grease, trash, and debris. Components typically include plants, mulch and specially designed filter media mixtures often contained in a concrete container. The mulch layer and filter media capture and immobilize pollutants during

What is High Rate Biofiltration?

High rate biofiltration continues to gain acceptance within the regulatory and engineering community as an acceptable alternative to traditional bioretention. These systems provide high treatment levels in a compact size making bioretention feasible on sites where traditional bioretention is not possible. They have earned numerous agency approvals