Editorial/Topical

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Editorial/Topical

Talking Under Water Episode 73: USGS PFAS Study

Aug. 4, 2023
In this episode, Jeremy Wolfe interviews Kelly Smalling, a research hydrologist for the U.S. Geological Survey, about a major study from USGS on PFAS detection in water supplies...
Christoph Dobson Regional San July August Plant Profile Biological Nurient Removal Tertiary Treatment Final
Plant Profile

Video Profile: Regional San EchoWater

July 28, 2023
Regional San's EchoWater project removes ammonia with biological nutrient removal as the largest California State Revolving Fund project in history at $1.7 billion.
An aerial view of Regional San's EcoWater Resource Recovery Facility, an advanced tertiary wastewater treatment plant serving the greater Sacramento, California area.
Wastewater Treatment

Photo Gallery: Regional San Echowater

July 28, 2023
After one decade and $1.7 billion across more than 20 projects, the EchoWater project for Regional San is complete, making it the second largest plant of its kind in the U.S.Regional...
What is... Articles

What is a sludge blanket?

July 26, 2023
What is a sludge blanket? How does it work and what is its purpose in wastewater treatment?
Echo Water Resource Recovery Facility
Plant Profile

Plant Profile: Regional San EchoWater

July 25, 2023
The largest CWSRF project in California completes construction under budget while meeting permitting requirements for ammonia removal.