凡例（平成24年度末現在）
Explanatory notes (As of the end of FY2012)

広島市水道事業給水区域 Area of Hiroshima City Waterworks Service
	牛田浄水場系 Ushita Purification Plant Service Area
	緑井浄水場系 Midorii Purification Plant Service Area
	高揚浄水場系 Koyo Purification Plant Service Area
	府中浄水場系 Fuchu Purification Plant Service Area
	河内・北原・坪井受水場系 Kochi, Kitabara and Tsuboi Receiving Plant Service Area
	北原浄水場系 Kitabara Purification Plant Service Area
	瀬野川・矢野・阿戸受水場系 Senogawa,Yano and Ato Receiving Plant Service Area
	湯来水道ステーション系ほか Yuki Water Station Service Area and others

	行政区界 Administrative Border
	ダム・堰 Dam & Weir
	取水場 Intake Station
	浄水場 Purification Plant
	受水場 Receiving Plant
	配水地 Service Reservoir