Western Treatment Plant
The Western Treatment Plant (formerly the Metropolitan Sewage Farm or, more commonly and informally, the Werribee Sewage Farm or Werribee Poo Farm) is a 110 km2 (42 sq mi) sewage treatment plant in Cocoroc, Victoria, Australia, 30 km (19 mi) west of Melbourne's central business district, on the coast of Port Phillip Bay. It was completed in 1897 by the Melbourne and Metropolitan Board of Works (MMBW), and is currently operated by Melbourne Water.