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 Page 1


W A S T E
W A T E R
S T O R Y
Page 2


W A S T E
W A T E R
S T O R Y
WHAT IS WASTE
WATER?
The water which gets
contaminated after various
works; like washing,
bathing, mopping, etc. is
called wastewater.
World Water Day: 22nd
March
Page 3


W A S T E
W A T E R
S T O R Y
WHAT IS WASTE
WATER?
The water which gets
contaminated after various
works; like washing,
bathing, mopping, etc. is
called wastewater.
World Water Day: 22nd
March
S EW A GE
Sewage is a complex
mixture containing
suspended solids, organic
and inorganic impurities,
nutrients, saprotrophic
and disease causing
bacteria and other
microbes.
Page 4


W A S T E
W A T E R
S T O R Y
WHAT IS WASTE
WATER?
The water which gets
contaminated after various
works; like washing,
bathing, mopping, etc. is
called wastewater.
World Water Day: 22nd
March
S EW A GE
Sewage is a complex
mixture containing
suspended solids, organic
and inorganic impurities,
nutrients, saprotrophic
and disease causing
bacteria and other
microbes.
WHAT DOES SEWAGE
CONTAIN?
Organic impurities- Human faeces, animal waste,
oil , urea (urine), pesticides, herbicides, fruit and
vegetable waste, etc. 
Inorganic impurities- Nitrates, Phosphates, metals. 
Nutrients- Phosphorus and Nitrogen. 
Bacteria- Such as which cause cholera and
typhoid. 
Other microbes - Such as which cause dysentery.
Page 5


W A S T E
W A T E R
S T O R Y
WHAT IS WASTE
WATER?
The water which gets
contaminated after various
works; like washing,
bathing, mopping, etc. is
called wastewater.
World Water Day: 22nd
March
S EW A GE
Sewage is a complex
mixture containing
suspended solids, organic
and inorganic impurities,
nutrients, saprotrophic
and disease causing
bacteria and other
microbes.
WHAT DOES SEWAGE
CONTAIN?
Organic impurities- Human faeces, animal waste,
oil , urea (urine), pesticides, herbicides, fruit and
vegetable waste, etc. 
Inorganic impurities- Nitrates, Phosphates, metals. 
Nutrients- Phosphorus and Nitrogen. 
Bacteria- Such as which cause cholera and
typhoid. 
Other microbes - Such as which cause dysentery.
WHERE DOES
THE WASTE
GO?
The pipe which carries
the wastewater is called
sewer.
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