July 27, 2016, 10am PDT
California is considering piping recycled potable water directly into people's homes.
December 21, 2015, 1pm PST
With transportation the largest contributor to greenhouse gas emissions in California, San Mateo will be the first city to reduce emissions by using biogas produced at its wastewater treatment plant for use in city vehicles.
October 10, 2015, 5am PDT
No, the title does not refer to Congress, it is meant to be taken literally: It is about the District of Columbia's sewage treatment plant that produces renewable energy by treating its biosolids with a new hydrolysis technology imported from Norway.
June 18, 2014, 2pm PDT
Development and research projects allow small firms entry into large-scale design.
November 30, 2012, 5am PST
The raw and partially treated sewage that has for the past month, and continues to, flow into the New York region's waterways "will be one of the most enduring and expensive effects of Hurricane Sandy," reports Michael Schwirtz.
March 5, 2012, 1pm PST
Despite decades of "steady improvement", Chicago is still home to some of the dirtiest waterways in the country. Now after years of obfuscation, the city's Metropolitan Water Reclamation District is finally moving forward with cleanup plans.
February 12, 2012, 9am PST
Felicity Barringer reports on the growing practice of recycling treated wastewater as drinking water in southwestern cities attempting to address diminishing water supplies.