L1 /
4
CH3041
WATER POLLUTION
Rivers=
0.0001%
Lakes = 0.01%
Groundwater = 0.68%
Lakes = 0.01%
Groundwater = 0.68%
• These are small
reservoirs
which can easily have their
chemical composition altered
by anthropogenic addition of
chemicals.
which can easily have their
chemical composition altered
by anthropogenic addition of
chemicals.
There are
3 main types of
pollution in the freshwater reservoirs:
1) agricultural inputs: PO43-, NO3-, pesticides
pollution in the freshwater reservoirs:
1) agricultural inputs: PO43-, NO3-, pesticides
2) industry inputs: DOC,toxic organics,
metals
3) sewage inputs: detergents, DOC,
metals
