Keene Wastewater Treatment Plant (WWTP) uses a secondary treatment process called activated sludge, a process that converts non-settleable substances into biological floc. This substance is developed in aeration tanks and settled out in final settling tanks.
Over the years, the U.S. Environmental Protection Agency (EPA) has offered voluntary partnership programs to address a wide variety of environmental issues by working collaboratively with companies, organizations and communities. There are now more than 13,000 groups participating in EPA Partnership Programs, according to the EPA website. One of the most highly recognized EPA programs is WaterSense.