In 2003, work began to upgrade the 310 mgd Newton Creek facility.  As part of the more than $3 billion secondary treatment upgrade, the plant added systems to reduce TKN and other biological pollutants and to generally improve municipal water quality.

Newton Creek, which is New York City's largest municipal wastewater plant, was also having difficulty complying with basic carbonaceous removal standards, along with nitrification and denitrification.  With flows at times exceeding the plant's capacity, the facility was seriously stressed to meet even minimum standards during either dry weather or wet weather events.

Download the complete article (Reprinted with permission from WaterWorld, October 2006)

More Information
DualAir® Fine Bubble Diffuser System