Inorganic chemicals in drinking water -- Arsenic -- Barium -- Boron and borates -- Bromate -- Cadmium -- Calcium and calcium salts -- Chromium and chromium vi in drinking water -- Copper -- Fluoride and drinking water fluoridation -- Iodine, iodide, iodate -- Lead in drinking water, and flint, michigan -- Mercury -- Nitrate and nitrite -- Perchlorate in drinking water -- Selenium -- Sodium -- Organic chemicals in drinking water -- Benzene -- Bisphenol a -- 1,4-dioxane -- Glyphosate -- Microcystin algal toxins in drinking water -- Selected microbial contaminants -- Coliforms, e. coli and fecal bacteria -- Legionella, legionellosis, and regrowth microorganisms -- Radioactivity in drinking water -- Radionuclides in drinking water -- Radium- 226, radium-228, radon-222, and alpha particles -- Disinfection and disinfectants -- Chlorination and chlorination disinfection by-products -- Chloramines -- Water quality parameters -- Aesthetic water quality factors -- Hard water -- Drinking water salinity -- Silica and silicates -- Special topics -- Boil water notices -- Bottled water -- Consumers' perceptions of drinking water quality and safety -- Desalination -- Drinking water distribution systems -- Foodborne and waterborne disease -- Fracking and drinking water issues -- Drinking water consumption, regulatory default assumptions and health -- Recycled wastewater and potable water reuse.