Human Impacts on Water Supply

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  • Human Impacts on Water Supply
    • Sewage Disposal pollutes local streams and rivers. In the UK, we add 1,400 million litres of sewage to our rivers.
    • Chemical Fertilisers can contaminate groundwater and rivers. The use of fertilisers can increase algae growth
    • We produce 400 billions of industrial waste each year. This waste contains heavy metals (Lead and Mercury). Some of the Waste is toxic PCBs
    • Although Big Dams are used to improve the water supply, they can also reduce quality


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