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Smithfield Foods' New $45 Million Wastewater System Improving Water Quality in Big Sioux River
Smithfield Foods has built a new state-of-the-art wastewater treatment system to replace a majority of the existing system at its pork-processing complex in Sioux Falls, South Dakota.
The new $45 million wastewater system adds additional treatment processes and capabilities to meet new and more stringent permit limits on nitrates and ammonia. The upgraded system biologically converts ammonia-nitrogen in wastewater to nitrate-nitrogen and further removes nitrate-nitrogen from wastewater, a...