National workshop on community based water management in rajasthan
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Potential of traditional water harvesting structures to meet drinking water challenge in desert region. This work was carried out by Safe Water Network in association with BCT.
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National workshop on community based water management in rajasthan
- 1. Slide 1Confidential Potential of Traditional Water Harvesting Structures to address Water Security challenges By Subhash Jain, Program Leader Safe Water Network, New Delhi sjain@safewaternetwork.org
- 2. Slide 2Confidential 30.8% Rural household covered by piped water supply Only 17.9% have treated water 85.5% Population have access
- 3. Slide 3Confidential 833 million rural people without treated water access 66 Million affected by Fluoride & 10million by Arsenic large population rely on microbial contaminated water ~37.7 million people impacted annually by waterborne diseases
- 4. Slide 4Confidential Limited fact-base for what works what doesn’t and why. 30-60% of rural water systems are inoperative at any given time. Despite the billions spent on water projects…
- 5. Hydro-geo-thermo regime Ground water - Govern by hydrogeological condition, - Quality poses serious challenges Viable option? - local action provides options to cope with variability Weather Variability
- 6. Key factors - challenges for improving efficiency Water demand Water Supply Population Growth Urbanization Industrialization 6
- 7. Slide 7Confidential It is daily chore for women in scarcity areas, who walk miles for hours for water!
- 8. Slide 8Confidential Transported as well……
- 9. Slide 9Confidential Traditionally people have adopted………
- 12. Slide 12
- 13. Slide 13Confidential Rain Water Harvesting – a case for water security • Installed ~ 1022 household and 40 community kunds in 55 villages • Kunds to provide potable water to ~16,750 villagers • Design improvements • Implemented financial product for households • Introduced quality assurance program Objective: Develop and implement improved approaches to rainwater harvesting through construction optimization, quality assurance and new funding products for sustainability and scale-up Members of household with newly constructed kund Quality assurance - site visit working on design improvements with partners Community mobilization and construction Quality assurance and policy white paper Quality assurance, health impacts & policy Microfinance funding product Engineering & design
- 14. Slide 14 Community Tank Rejuvenation 40 Community tanks refurbished
- 15. Slide 15 • 1022 Tanka (Kund), improved access, benefitting ~16750 providing potable water • Recovery 68% - reinvested • Partially meet water needs but solves for water security Rainwater Harvesting Operations
- 16. Slide 16 • Building Local Capability 142 local masons trained
- 17. Slide 17 Household Water Security Tanka is key asset at household in desert region for storage of water, people do depend on common sources to refill - • Water sources to supplement requirement (e.g. tanker delivery, ponds, check dams) • Consumption (e.g. assess needs - drinking, household, livestock etc) • Handling of water to maintain quality at home, during transit through good protocols Tankers and Camel carts for fetching water in bulk for the kunds Baoris/ Talab (Open Lakes) as an alternate RWH storage system
- 18. Slide 18Confidential Key areas for improving system efficiency - maximize harvest, improve water purity, and decrease maintenance
- 19. Slide 19Confidential Determine the maximum potential rainwater harvesting
- 20. Slide 20Confidential Options for improving harvesting efficiency
- 21. Slide 21Confidential Expanded catchment areas can provide significant benefit to maximize storage
- 22. Slide 22 Mainstreaming…… • Government support and Microfinance holds the key for solving the drinking water problem • Mainstreaming through ongoing schemes like MGNREGA akin to TSC to fund • Promotion of rain water harvesting as adaptation measures – size optimization (variable factors - rainfall & family size) • Water security at household requires revival of common water storage structures like Pond, Talab, Naadi etc, which supplements the requirement once water stored in HH Kund exhaust