Water challenges

Explore water challenges, educational resources and publications



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What are water challenges?

Everything about managing water is complex and interactive, especially within large cities like London. It affects and involves all residents and businesses. Covering the freshwater supply, flooding, river health, waste water and pollution, it is a big subject.

Our users have identified certain topics, introduced here, that they really care about. These priorities have influenced the information, data and tools available in the hub.







Topics



Water quality icon

Water quality


People living locally to polluted rivers are often concerned about the rivers' bad odour and colour, and the lack of biodiversity. This happens due to chemicals (for example phosphorus or nitrates) and contaminants such as debris, wet wipes and other rubbish that poses a risk to biodiversity and public health.





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Flooding


Flood events can increase the risk of contamination from sewage, agricultural runoff, industrial substances, leaked motor oil and household chemicals, causing deterioration in water quality.





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Urban drainage


Drains and the drainage systems in our towns and cities are a vital part of urban infrastructure; their purpose is to collect rain runoff from roads, roof gutters and downpipes and direct it into a piped drainage system or a combined sewer network. They are particularly important in removing excess water in periods of heavy rainfall.





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Drought


Explore maps showing components relating to the hydrological cycle and the provision of water to people and for the environment.





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People's use of space and its performance


Water bodies are part of wider natural spaces and it is important to consider how these perform for people and from an environmental perspective. There is a need to understand the complex interactions what the performance of natural spaces and how it affects people's use of these spaces.