يجب أن يعتبر الجميع واجب الحفاظ على المياه نظيفة.
A- Outdated water cleaners
acrylamide
aluminium
chloral hydrate
chloramines
chloroacetones
chlorophenols
chloropicrin
B- Herbicides/weed killers
alachlor
atrazine
chlorotoluron
cyanazine
C- Pesticide/bug killer
aldicarb
aldrin
dieldrin
bentazone
carbaryl
carbofuran
chlordane
chlopyrifos
2,4-DB
DDT
D- Pipes, livestock
asbestos
aluminum and livestock
ammonia
chloride
copper
E- Mining
Heavy Metals
antimony
copper
lead
tin
barium
bromide
F- Gas, cars pollution coal
benzene
berylilum
chromium
petroleum oils
G- Glass, soaps, detergents, flame retardants, dyes
boron
bromate
chlor-ine/ite/ate
cyanide
2,4-D
H- Steel and plastic
Cadmium
dialkyltins
I- Refrigerants
carbon tetrachloride