#WorldWaterDay (22 March 2017)
23 Mar, 2017 | 17:08h | UTC#WorldWaterDay (22 March 2017): Guidelines for drinking-water quality 2017 – World Health Organization (free)
See also: Drinking Water Fact Sheet – World Health Organization (free) AND Water sanitation hygiene – WHO Programme (free) AND World Water Day 2017 – Centers for Disease Control and Prevention (CDC) (free)