Volatile Organic Contaminants
Benzene Some people who drink water containing benzene in excess of the MCL over many years
could experience anemia or a decrease in blood platelets, and may have an increased risk
of getting cancer.
Carbon Tetrachloride Some people who drink water containing carbon tetrachloride in excess of the MCL over
many years could experience problems with their liver and may have an increased risk of
getting cancer.
Chlorobenzene Some people who drink water containing chlorobenzene in excess of the MCL over many
years could experience problems with their liver or kidneys.
o-Dichlorobenzene Some people who drink water containing o-dichlorobenzene well in excess of the MCL
over many years could experience problems with their liver, kidneys, or circulatory
systems.
p-Dichlorobenzene Some people who drink water containing p-dichlorobenzene in excess of the MCL over
many years could experience anemia, damage to their liver, kidneys, or spleen, or changes
in their blood.
1,2-Dichloroethane Some people who drink water containing 1,2-dichloroethane in excess of the MCL over
many years may have an increased risk of getting cancer.
1,1-Dichloroethylene Some people who drink water containing 1,1-dichloroethylene in excess of the MCL over
many years could experience problems with their liver.
cis-1,2-Dichloroethylene Some people who drink water containing cis-1,2-dichloroethylene in excess of the MCL
over many years could experience problems with their liver.
trans-1,2-dichloroethylene Some people who drink water containing trans-1,2-dichloroethylene well in excess of the
MCL over many years could experience problems with their liver.
Dichloromethane Some people who drink water containing dichloromethane in excess of the MCL over
many years could have liver problems and may have an increased risk of getting cancer.
1,2-Dichloropropane Some people who drink water containing 1,2-dichloropropane in excess of the MCL over
many years may have an increased risk of getting cancer.
Ethylbenzene Some people who drink water containing ethylbenzene well in excess of the MCL over
many years could experience problems with their liver or kidneys.
Styrene Some people who drink water containing styrene well in excess of the MCL over many
years could have problems with their liver, kidneys, or circulatory system.
Tetrachloroethylene Some people who drink water containing tetrachloroethylene in excess of the MCL over
many years could have problems with their liver, and may have an increased risk of
getting cancer.
1,2,4-Trichlorobenzene Some people who drink water containing 1,2,4-trichlorobenzene well in excess of the
MCL over many years could experience changes in their adrenal glands.
1,1,1-Trichloroethane Some people who drink water containing 1,1,1-trichloroethane in excess of the MCL over
many years could experience problems with their liver, nervous system, or circulatory
system.
1,1,2-Trichloroethane Some people who drink water containing 1,1,2-trichloroethane well in excess of the MCL
over many years could have problems with their liver, kidneys, or immune systems.
Trichloroethylene Some people who drink water containing trichloroethylene in excess of the MCL over
many years could experience problems with their liver and may have an increased risk of
getting cancer.
TTHMs
[Total Trihalomethanes]
Some people who drink water containing trihalomethanes in excess of the MCL over
many years may experience problems with their liver, kidneys, or central nervous
systems, and may have an increased risk of getting cancer.
Toluene Some people who drink water containing toluene well in excess of the MCL over many
years could have problems with their nervous system, kidneys, or liver.
Vinyl Chloride Some people who drink water containing vinyl chloride in excess of the MCL over many
years may have an increased risk of getting cancer.
Xylenes Some people who drink water containing xylenes in excess of the MCL over many years
could experience damage to their nervous system.