How the growing “One Water” movement is not only helping the environment but also saving millions of dollars

The Madison Metropolitan Sewerage District in Wisconsin had a problem. Due to tightening state and federal regulations, it had to help decrease the amount of phosphorus in the 540-square-mile (1,400-square-kilometer) Yahara River watershed. It was already removing 95 percent of the phosphorus from its wastewater effluent; new phosphorus level limits would require the equivalent of 96 percent removal.

How the growing “One Water” movement is not only helping the environment but also saving millions of dollars

Source: Ensia