General Information: Isolation: enhanced biological phosphorus removal; Country: USA; Temp: Mesophile; Habitat: Sediment, Sludge. Candidatus Accumulibactor phosphatis is a polyphosphate-accumulating, aerobic, Gram-negative bacterium that has been identified in enhanced biological phosphorus removal (EBPR) wastewater treatment systems. Removal of phosphorus from wastewater is important to avoid eutrophication (excess nutrients) in surface waters.