Water Governance and Security in Cape Town, South Africa
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Presented at the 14th OECD WGI Meeting on November 2-3 2020
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Water Governance and Security in Cape Town, South Africa
- 1. Water Governance and Security in Cape Town, South Africa Michael Killick Director: Bulk Services Water and Sanitation Department 2 November 2020
- 2. In 2018, the city approached Day Zero, the day when water would have to be shut off. We were experiencing the worst drought on record, and at the height of this crisis, dams were down to just 9.8% of their usable storage capacity. We narrowly avoided Day Zero, but to reduce the risk of this occurring, we have to face the reality of less predictable rainfall patterns. 9.8% usablecapacity One-in-590 year drought (2015 – 2017) DAY ZERO
- 3. Water Demand Trajectory ,0 ,500 1,000 1970 1980 1990 2000 2010 2020 Water use million litres per day Water use as measured by the treated water supplied (includes losses), average for each year 2015 2018 Build to supply Conserve 2000 Becoming resilient drought shocks
- 4. It only takes 3 years Our dams offer us only 2 years of security Full dams in 2014 emptied to 38% full in just over three years. 30% 45%
- 5. ,0 ,100 ,200 ,300 1990 2000 2010 litres per person per day Cape Town Other South African metros Our water use is now much lower than other South African Cities
- 6. In 2018, Cape Town was recognised as the #1 water saving city in the World International Water Association award in May 2018 for a 55% reduction in water demand between 2015 and 2017, without resorting to intermittent supply. Awarded C40 Award for Adaptation in 2015 for Water Conservation and Demand Management
- 7. Our shared water future Cape Town Water Strategy Approved May 2019 In reponse to the drought
- 8. 1. Safe access to water and sanitation for all 2. Wise water use through pricing, regulation, active citizenship, network management 3. Sufficient, reliable water from diverse sources: surface, ground, desalination, reuse (Water resilient by 2030) 4. Shared benefits & managed risks from regional water resources 5. Water sensitive city by 2040 Five commitments in the Water Strategy Inclusion Sustainability Resilience (drought response) A New Relationship with Water
- 9. It will take 10 years to become water resilient and 20 years to transition to a water sensitive city 20402020 increasing capability 2030 becoming water resilient becoming water sensitive 0 100 200 300 400 500 600 2004 2008 2012 2016 2020 2024 2028 2032 2036 2040 Legend Actual (Historic) water demand Unconstrainedwaterdemand Base case water demand Base case water demand with WC/WDM Low water demand Existingwater resources Committed Augmentation Programme AdaptableAugmentation Programme 2023 diverse sources, efficient use robust regional water system City-wide transformed relationship to water Developing a fit-for-purpose modern water provider to deliver on strategy commitments 3 10 20
- 10. THANK YOU | ENKOSI | DANKIE
Editor's Notes
- Animated; Our water strategy commits the City to not only becoming water resilient, but also to provide a service for all and improve water and sanitation services in informal settlements, and to transform our relationship with water by becoming a water sensitive city.