What Gate 5 Infrastructure Means for Oceans

Throughout the world, waterways – and oceans in particular – have become the discharge points of choice for treated wastewater.  However, contaminants in the wastewater, as well as runoff from stormwater, are compromising public health and damaging marine and freshwater environments.  More than 75,000 wastewater treatment plants operate in the developed world, yet they serve […]

Keeping Microplastics From Oceans and Land

Microplastics, tiny plastic particles smaller than five millimeters, are growing threats to our oceans, land, and air. Found everywhere from deep seas to Mount Everest, these pollutants spread through wind, water, and soil, harming ecosystems and raising health concerns. While the U.S. Food and Drug Administration (FDA) noted in 2024 that direct human health risks […]

Addressing PFAS in Wastewater: Gate 5 Answers the Call for Innovation

Headlines nationwide underscore an imminent need for improved solutions to manage sewage sludge. Across the country, reports are drawing attention to the environmental and health crisis attributed to the incomplete processing of sewage sludge.  Among the most troubling contaminants in sewage sludge are Per- and Polyfluoroalkyl Substances (PFAS), referred to as “forever chemicals” due to […]

Transforming the Imperial Beach Crisis into a Model of Sustainability With Gate 5 Infrastructure

For decades, the South Bay International Wastewater Treatment Plant, located on the border between San Diego, California, and Tijuana, Mexico, and managed by the International Boundary and Water Commission (IBWC), has struggled to treat Tijuana’s wastewater, leading to a severe environmental and public health crisis.  As reported by The New York Times (May 6, 2025), […]