Intermittent Water Supply: Need for action, but what action?

Learning objectives

Following this webinar, participants will:

• Understand the Water Quality implications of Intermittent Water Supply;
• See why striving for continuous 24/7 supply is desirable;
• Understand specific challenges of achieving the goal of 24/7 supply through real life experience from India and Sri Lanka.

Presentation Slides and Q&A Report

• To view the Presentation Slides from the webinar, please click here.
• To view the Q&A Report from the webinar, please click here.
• To visit the Intermittent Water Supply SG page on IWA Connect, please click here.

Webinar Resources

Here are some resources recommended by the webinar panelists:

• Papers
  • Intermittent water supply systems and their resilience to COVID-19: IWA IWS SG survey; R. Farmani, J. Dalton, B. Charalambous, E. Lawson, S. Bunney, S. Cotterill; Water Supply: Research and Technology (Aqua); 2021 (Open Access)
  • Decentralized infrastructure approach for successful water supply systems in India: use of multi-outlet tanks, shafts and manifolds; P. Kalbar, P. Gokhale; Water Supply: Research and Technology (Aqua); 2019 (Open Access)
  • Demand Satisfaction as a Framework for Understanding Intermittent Water Supply Systems; D.D.J. Taylor, A.H. Slocum, A.J. Whittle; Water Resources Research; 2019 (Open Access)
  • From intermittent to continuous water supply: A multi-dimensional evaluation of water system reforms from Hubli-Dharwad, Karnataka; I. Ray, N. Billava, Z. Burt, J.M. Colford Jr., A. Ercümen, K.P. Jayaramu, E. Kumpel, N. Nayak, K. Nelson, C. Woefle-Erskine; Economic and Political Weekly; 2018 (Open Access)
  • Intermittent Water Supply: Prevalence, Practice, and Microbial Water Quality; E. Kumpel, K. Nelson; Environmental Science & Technology; 2016 (Open Access)
  • Upgrading a piped water supply from intermittent to continuous delivery and association with waterborne illness: A matched cohort study in urban India; A. Ercumen, B.F. Arnold, E. Kumpel, Z. Burt, I. Ray, K. Nelson, J.M. Colford Jr.; PLoS Medicine; 2015 (Open Access)
  • Mechanisms affecting water quality in an intermittent piped water supply; E. Kumpel, K. Nelson; Environmental Science & Technology; 2014
  • Comparing microbial water quality in an intermittent and continuous piped water supply; E. Kumpel, K. Nelson; Water Research; 2013
• Books
  • Dealing with the Complex Interrelation of Intermittent Supply and Water Losses; B. Charalambous, C. Laspidou; IWA Publishing; 2017
• Leaflets
  • Intermittent Water Supply; S. Weston, R. Collins, V. Speight; University of Sheffield, Global Challenges Research Fund, WaterAid; 2020 (Open Access)
• Conference Reports
  • Intermittent urban water supply under water starving situations; N. Totsuka, N. Trifunovic, K. Vairavamoorthy; 30th WEDC International Conference; 2004 (Open Access)
• Presentations
  • Low Cost Solutions for Improving Water Supply in India; P. Kalbar; 2020 (Open Access)
• Videos
  • Low Cost Solutions for Improving Water Supply in India Part 1: Shaft with Multi-outlets; P. Kalbar; 2021 (Open Access)
  • Achieving Successful Water Supply in India Need to Paradigm Shift from 24×7 to Consumer Satisfaction; P. Kalbar; 2021 (Open Access)