The two large dams under construction on the Madeira River, Jirau and San Antonio, which together will provide nearly 7,000 MW of electricity, continue Brazil's reliance on hydropower.
The Obama administration and California state officials have unveiled a new “preferred alternative” for conveying water from northern California to the central part of the state while protecting the fragile California Bay Delta ecosystem.
CH2M HILL made a twist on the usual placement of a dissolved air flotation (DAF) system, placing it at the beginning of the process train rather than in the solids-treatment train, where it is usually located in wastewater treatment facilities.
A decade ago, Pima County's Regional Wastewater Reclamation Dept., or RWRD, was facing a problem: The Arizona Dept. of Environmental Quality had ruled that the levels of nitrogen coming from RWRD's network of 10 wastewater-stripping and treatment plants were too high.
Wastewater utilities are pleased the U.S. Environmental Protection Agency has released a fleshed-out framework to give local governments more flexibility in managing stormwater runoff and wastewater.
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