A long and fraught journey to upgrade Featherston’s wastewater treatment plant has reached a significant milestone, with a 10-year consent application now resting in the hands of commissioners.

The Featherston Wastewater Treatment Plant has been operating under a historic resource consent since 2012, when the existing ...

One million gallons of sewage spilled into the James River in mid-July 2025 due to an issue at Hopewell’s wastewater ...

1 / 2 Show Caption + Lake water is treated in a Dissolved Air Flotation (DAF) units where air pushed into the water forcing tiny debris particles to the top of the pool where it’s removed before ...

Iran launched an attack on the U.S. Al Udeid Air Base in Qatar on Monday, two days after the U.S. struck three nuclear sites in Iran. Explosions were heard in Qatar, multiple news agencies ...

Dissolved Air Flotation (DAF) is a proven and adaptable technology for removing solids, oils and other contaminants from wastewater – and is particularly valued in sectors such as food and ...

The project, which aims to reduce turbidity and remove sediment from the water, uses dissolved air flotation devices, or DAF units.

Study reveals air pollution from Tijuana River discharge Coastal air samples around San Diego showed high levels of pollutants, including drugs and sunscreen chemicals.

The objective of this study was to compare the effectiveness of phosphate ore flotation (dispersed air) before and after effluent treatment using coagulation, flocculation and dissolved air flotation ...

The city of Fresno is directly impacted by the winery’s wastewater practices because it relies on groundwater downgradient of the winery for its municipal drinking water. Jo Anne Kipps, a ...

Central Valley water regulators want the world’s largest winery to stop using its wastewater on local crops — a decades-old waste management practice — because it’s threatening Fresno’s ...