Situated on the banks of the Delaware River, Logan Township, New Jersey has a long history of caring for its watershed and natural environment. In the early 70s, the town designed what has been described as “the nation’s first ecologically planned industrial complex,” Pureland Industrial Complex.

Melbourne Water is a water wholesaler in Victoria, Australia, and is ranked among the top performing Australian and international water utilities. Melbourne Water delivers over 430 billion litres (114 billion gallons) of safe drinking water and treats over 300 billion litres (79 billion gallons) of sewage from across Melbourne.

In 2004, a major west coast city began construction of two new interceptor sewers. The 12 foot diameter intercept lines relieve hydraulic overloading, but also created a number of turbulent areas where nuisance odors adversely affected the local residential community. These odors were primarily H2S at concentration levels of up to 150 ppm, as well as volatile organic contaminants (VOCs).

The city of Rosemount, Minnesota, was seeking treatment for phosphorus in the effluent discharge from the city's wastewater treatment plant. The customer's 0.75 MGD facility was permitted to discharge wastewater with a maximum average monthly total phosphorus level of 1.0 mg/l; however the effluent from the facility's newly installed disc filters was exceeding the NPDES permit limit.

Evoqua Water Technologies LLC was contacted by a South Florida Municipality to provide an odor control solution for a lift station within their collection system. In the past, the municipality had implemented biofiltration for control of atmospheric hydrogen sulfide. However, in recent years the biofilter was removed, leaving the lift station untreated and exposed to high sulfide concentrations.