1. Water, water everywhere... then not a drop to drink?
Climate Change and the Water Industry
Robert Krempic – Yorkshire Water

2. Aims Highlight some of the issues Generate debate
Certainly not planning on solving climate change in an afternoon!

3. Climate Change
“Any long-term change in the statistics of weather over periods of time that range from decades to millions of years”
“It can express itself as a change in the mean weather conditions, the probability of extreme conditions, or in any other part of the statistical distribution of weather”

4. Climate Change – 2 Questions
To what extent is climate change likely to occur?
+16%
What are the possible impacts on the Water Industry?
There are many - here are some examples...

5. Impacts - Water Raw Water Availability & Quality Demand
Infrastructure Reliability

6. Impacts - Waste Water
Erratic flows and higher concentrations at pumps and works
Increased Flooding & Pollution
Increased Siltation
Smell & Odour

7. Impact - Business Planning
Carbon Accounting, Mitigation & Reduction
Resilience of Assets
Asset Lives

8. Impacts - Overall £ Customer Service Operational Practices
Strategic Decisions
Revenue & Capital

9. Where does WSUG come in? Over to you! This is where the debate starts…
Understand, model and advise on both the likely effects and the possible impacts of climate change
When does a ‘1 in 20’ rainfall event become a ‘1 in 10’?
What is the relationship between changing weather factors and raw water quality
How does erratic flow at WW treatment works impact potential serviceability levels?
Over to you!