Internal corrosion of household Copper 1 mg/L - 1 ppm plumbing; erosion of natural May produce a metallic taste; blue-green staining deposits Balance of hydrogen, carbon, and May produce a metallic taste; corroded pipes; fixture Corrosivity Non-corrosive - - oxygen in water, affected by staining temperature and other factors Fluoride 2.0 mg/L - 2 ppm Erosion of natural deposits May produce discoloration Municipal and industrial waste Foaming agents 0.5 mg/L 1000 500 ppb May produce froth; cloudiness; bitter taste; odor discharge Natural and industrial sources as Use of water containing iron at concentrations above the well as aging and corroding secondary MCL may result in aesthetic issues including the Iron 0.3 mg/L 1000 300 ppb distribution systems and staining of laundry and plumbing fixtures and water with an household pipes unpleasant metallic taste and rusty odor. Use of water containing manganese at concentrations above 0.05 mg/L 50 ppb the secondary MCL may result in aesthetic issues including Natural sources as well as Manganese* 1000 the staining of laundry and plumbing fixtures and water with (0.30 mg/L (300 ppb discharges from industrial uses an unpleasant bitter metallic taste, odor, and/or black-brown ORSG) ORSG) color. *EPA has established a lifetime Health Advisory (HA) of 0.3 mg/L and an acute HA at 1.0 mg/L Naturally occurring organic Odor 3 T.O.N. - 3 T.O.N. materials that form ions when in May produce a or chemical smell “rotten-egg”, water; seawater influence
Copper 1 mg/L - 1 ppm Internal corrosion of household plumbing; erosion of natural deposits May produce a metallic taste; blue-green staining Corrosivity Non-corrosive - - Balance of hydrogen, carbon, and oxygen in water, affected by temperature and other factors May produce a metallic taste; corroded pipes; fixture staining Fluoride 2.0 mg/L - 2 ppm Erosion of natural deposits May produce discoloration Foaming agents 0.5 mg/L 1000 500 ppb Municipal and industrial waste discharge May produce froth; cloudiness; bitter taste; odor Iron 0.3 mg/L 1000 300 ppb Natural and industrial sources as well as aging and corroding distribution systems and household pipes Use of water containing iron at concentrations above the secondary MCL may result in aesthetic issues including the staining of laundry and plumbing fixtures and water with an unpleasant metallic taste and rusty odor. Manganese* 0.05 mg/L (0.30 mg/L ORSG) 1000 50 ppb (300 ppb ORSG) Natural sources as well as discharges from industrial uses Use of water containing manganese at concentrations above the secondary MCL may result in aesthetic issues including the staining of laundry and plumbing fixtures and water with an unpleasant bitter metallic taste, odor, and/or black-brown color. *EPA has established a lifetime Health Advisory (HA) of 0.3 mg/L and an acute HA at 1.0 mg/L Odor 3 T.O.N. - 3 T.O.N. Naturally occurring organic materials that form ions when in water; seawater influence May produce a “rotten-egg”, or chemical smell
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