Down the Drain and Through the Ages: A Brief History of Wastewater Treatment

Down the Drain and Through the Ages: A Brief History of Wastewater Treatment

The history of men is reflected in the history of sewers. In this episode, Juliana and Inas trace the history of sanitation from early civilizations and Roman sewers to the public health breakthroughs of the 19th century and the development of modern treatment technologies, highlighting how managing wastewater has shaped human health and urban life.

Chlorine vs. UV: Why Wastewater Treatment Is Making the Switch · Episode 1

Wastewater must be disinfected before it returns to the environment—but how we do that is changing. In this episode, Aden and Laurene explore why many treatment plants are moving away from chlorine and toward UV systems, comparing how each method works, their tradeoffs, and what this shift means for public health and aquatic ecosystems.

Chlorine vs. UV: Why Wastewater Treatment Is Making the Switch · Episode 2

Wastewater must be disinfected before it returns to the environment—but how we do that is changing. In this episode, Kacey Estrella and Amanda Dobson explore why many treatment plants are moving away from chlorine and toward UV systems, comparing how each method works, their tradeoffs, and what this shift means for public health and aquatic ecosystems.

Flush to Power: Turning Wastewater into Renewable Energy · Episode 1

Wastewater contains more than waste—it holds recoverable energy. In this episode, Yuan and Xueming explore how microorganisms break down organic matter to produce methane through anaerobic digestion, and how treatment plants capture this energy to generate heat, electricity, and renewable natural gas. From everyday flushing to energy-positive facilities, this conversation highlights how wastewater treatment is becoming a key part of sustainable energy systems.

Flush to Power: Turning Wastewater into Renewable Energy · Episode 2

Wastewater contains more than waste—it holds recoverable energy. In this episode, Thando and Vignesh explore how microorganisms break down organic matter to produce methane through anaerobic digestion, and how treatment plants capture this energy to generate heat, electricity, and renewable natural gas. From everyday flushing to energy-positive facilities, this conversation highlights how wastewater treatment is becoming a key part of sustainable energy systems.