Diagram showing general statistics about water environment and usage in Japan, circa 2001.

Source: Making Great Breakthroughs - All about the Sewage Works in Japan (Japan Sewage Works Association: Tokyo, ca. 2002), p. 12.

The Hanamigawa Dragonfly Pond in Chiba Prefecture, Japan, uses treated wastewater to restore the natural habitat.

Source: Making Great Breakthroughs - All about the Sewage Works in Japan (Japan Sewage Works Association: Tokyo, ca. 2002), p. 37.

The Arakawa Nature Park in Tokyo, Japan, is part of a wastewater treatment plant. It includes baseball fields, tennis courts, and other activities for the local community. With overcrowded cities, Japan has emphasized multiple uses for land in the sewerage treatment system.

Source: Making Great Breakthroughs - All about the Sewage Works in Japan (Japan Sewage Works Association: Tokyo, ca. 2002), p. 39.