Reverse Osmosis Removal Chart

Reverse Osmosis Percentage Contaminant Removal Chart

These are typical rejection rates for a properly sized and maintained reverse osmosis system. Actual results depend on the membrane, operating pressure, water temperature, recovery rate and feed water quality, so treat the figures as typical, not guaranteed. For results specific to your water, send a water analysis with your quote request.

Contaminant Removal % Contaminant Removal %

Giardia cysts

100%

DDT

>99.9%

E.coli bacteria

>99.9%

Lindane

>99.9%

Vibrio choleriae

>99.9%

Serratia marcescenes

>99.9%

Sodium Fluoride 

99%

Sodium Chloride NaCl 

99%

Magnesium Chloride  

99%

Copper Sulfate CuSO4

>99%

Glucose 

98%

Chlorinated Pesticides

99.9%

Sodium

95-99%

Chloride 

99.9%

Potassium

92-99%

Bicarbonate  

99%

Calcium

95-99%

Nitrate 3

90-99%

Magnesium 

95-99%

Fluoride

90-95%

Iron 

95-99%

Silicate 

95-99%

Aluminum 

95-99%

Phosphate 

95-99%

Ammonium 

95-99%

Chromate  

95-99%

Cryptosporidium cysts

100%

PCB

>99.9%

Fecal bacteria

>99.9%

Salmonella typhi

>99.9%

Shigella dysenteriae

>99.9%

Toluene

>99.9%

Calcium Chloride

99%

Sucrose

99%

Nickel Sulfate NiSO4  

>99%

Lactic Acid pH5

99%

Sodium Nitrate NaNO3 

97-99%

Silica SiO2

98%

Nickel

95-99%

Radioactivity

95-99%

Zinc

95-99%

Sulfate

95-99%

Strontium  

95-99%

Ferro cyanide

96-99%

Cadmium 

95-99%

Arsenic +3

95-99%

Mercury

95-99% Arsenic +5 95-99%

Silver  

95-99%