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Grey Infrastructure
Grey infrastructure is the use of traditional man-made drainage and water treatment systems which includes but is not limited to pipes, tanks, and waste treatment plants. This kind of infrastructure follows a storm water as waste kind of mindset.
Charactersitics
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Heavier dependence on man-made structures
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Harder surfaces
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Stores water
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Depreciates (loses value)
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Brought to full scale at a faster rate
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Typically higher maintenance
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Less environmentally sustainable
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Has only one main benefit, which is the reduction of CSOs.
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