Microscopic organisms
Some cause disease
Algae
Causes taste, odor, color, turbidity
Suspended solids
Causes murkiness or turbidity
Bicarbonate
Carbonate
CALCIUM
AND
MAGNESIUM Sulfate
Causes hardness
Chloride
SALTS
Bicarbonate
Causes alkalinity
Carbonate
Causes alkalinity
Causes foaming in steam
SODIUM
Sulfate
Causes mottled enamel of
Fluoride
developing teeth in children*
Chloride
Causes salty taste
Causes tase, red water,
IRON
incrustations on metals
Causes black or brown water
VEGETABLE
Causes color, acidity
DYE
Oxygen
Causes corrosion to metals
Carbon
Causes acidity, corrosion of
dioxide
metals
GASES
Causes odor, acidity, corrosion
sulfide
of metals
No effect
*
Fluoride content of water in excessive concentrations (over 1 mg/1) may cause
mottled enamel of developing teeth in children. In lower concentrations, it
MD0008
5-6