List of Contaminants and Health Effects

Arsenic Malignant tumors of skin and lungs, cramps, spasms, effects to nervous system
Barium Prolonged stimulant action on muscles,
nerve block
Benzene Associated with cancer, leukemia, anemia
Cadmium Bronchitis, anemia, gastrointestinal upsets,
cancer in rats
Carbon tetrachloride Central nervous system depression,
gastrointestinal effects, liver and kidney
damage, coma, death
Chlordane* Carcinogen, liver and kidney damage
Chlorobenzene Irritation to respiratory system, central
nervous system depression
Chloroform Possible liver, kidney and heart effects;
carcinogenic in at least one animal species
Chromium Kidney damage, cancer
Copper Gastrointestinal tract irritant, possible
infant fatality, Wilson's disease
Dichlorobenzene(s)* Suspected carcinogen
1,1-Dichloroethane Central nervous system depression, liver
damage, suggested animal carcinogen
1,2-Dichloroethane Nausea, mental confusion, liver and kidney
Dichloroethylene* Nausea, dizziness
Ethylenedibromide (EDS) Decreased fertility
Fluoride Skeletal damage when present in high levels
Heptachlor Possible tumor induction, carcinogenic in
test animals
Lead Damage to nervous system, kidneys, reproductive
system; cancer in rats
Lindane Chronic liver damage, anemia, leukemia
Mercury Kidney impairment, possible death
Methylene chloride* Toxic
Nickel Signs of hyperglycemia and gastrointestinal
and nervous disorders
Pentachlorophenol (PCP) Loss of appetite, respiratory difficulties,
anesthesia, coma, death
PCBs Damage to skin and liver; nausea, loss of
weight, jaundice, coma, death
Selenium Carcinogen; irritation to mucous membranes,
Sulfate Laxative action
Tetrachloroethylene Central nervous system effects; confirmed
animal carcinogen, anesthesia, death
Toluene Narcosis, irritation to eyes and respiratory
Toxaphene Possible liver damage
1,1,1-Trichloroethane Narcosis, depression of central nervous system,
unconsciousness, death
1,1,2-Trichloroethane Possible liver and kidney effects, possible
carcinogen in animals
Trichloroethylene Central nervous system depression, loss of
coordination, unconsciousness; strong irritant and carcinogen
2,4,6-Trichlorophenol* Suspected carcinogen
Trihalomethanes (THMs) Effects to nervous system and muscles, loss
of consciousness
Vinyl chloride Central nervous system depression, dulling of
visual and auditory responses, possible death
Xylene Mucous membrane irritant, lung congestion,
impairment of kidney functions
Zinc Muscular stiffness and pain, loss of appetite,
*The Assembly Office of Research, April 12, 1983, states that the health
effects listed for these substances were compiled from the following sources:
"Drinking Water and Health",
National Academy of Sciences,
Safe Drinking Water Committee, 1977,
"Contamination of Ground Water by Toxic Organic Chemicals",
U.S. Council on Environmental Quality, 1981
"Carcinogenic Hazards of Organic Chemicals in Drinking Water",
R.H. Harris, T. Page, and N.A. Reiches, 1977