Water Kit - Hunter Water

investigating wastewater treatment
worksheet 1
1 Use the internet and factsheets in Section 3 of this Water Kit to discover the meaning of the following
wastewater terms:
a) Vortex:
b) Effluent:
c) Disinfection:
2 What does ML mean?
3 Which wastewater treatment works in the Hunter region:
a) serves the largest population?
b) serves the smallest population?
c) treats the smallest volume of water on a daily basis?
4 Calculate the volume of water (in litres) treated per person per day for each of the Hunter’s wastewater
treatment works (WWTW):
wastewater treatment works
litres of wastewater treated per person per day
Belmont:
Burwood:
Morpeth:
Karuah:
Shortland:
5 Consider the communities that each WWTW services and suggest some reasons for any major differences
in the volumes of wastewater treated:
6 The main reason for treating wastewater is to ensure that it has a minimal impact when it is released into
the environment. The treatment process uses naturally occurring bacteria to decompose carbohydrates,
proteins and fats. As as a result, methane and carbon dioxide gases are released.
a) Identify a potential environmental impact of the process of wastewater treatment:
Water kit . ssS . 001 . april 2010
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