The Sacramento Regional County Sanitation District may have to spend more than $2 billion over the next 10 years to improve water quality. The Central Valley Regional Water Quality Control Board on Dec. 9 directed California’s capital city to remove ammonia and other residual materials from treated water before discharging it into the Sacramento River. The city’s 28-year-old plant releases as much as 180 million gallons of water per day into the delta-feeding waterway. The controversial decision came after a contentious permit renewal process in which SRCSD estimated that, between the capital improvements, pilot studies and reports, rates for its
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.