Madison Metropolitan Sewerage District ships record volume of phosphorus out of watershed
MADISON, WIS. – As part of ongoing efforts to improve regional water quality, Madison Metropolitan Sewerage District shipped a record volume of phosphorus out of the watershed in 2017. The phosphorus was shipped out as tiny pellets of struvite fertilizer under the brand name Crystal Green. Michael Mucha, the District’s chief engineer and director, said removing the phosphate-based mineral advances goals for resource recovery even as the utility achieves a 96 percent phosphorus reduction in the wastewater stream.
