Presentations and papers

The SMART Centres regularly publish papers and presentations, which can be accessed from the page below. Additional resources can be found on the website of the CCAP SMART Centre in Malawi and the Jacana SMART Centre in Zambia.

A. “2with8”

B. Deep Bed Farming & SMART water solutions
MetaMeta / SMART Centre GroupA. Background Paper
A. Presentation

B. Background Paper
B. Presentation
COP28, Dubai.
Rotary Side Event on Food, Agriculture and Water
2 with 8. Safe drinking water for 2 billion people at a cost of $8 billion with HWTSMetaMeta / SMART Centre GroupBackground PaperUNC Conference 2023
Water for food, for drinking, and for rural development – examples at scale 20 June, 2023Panelists:
Colin Andrews, Joshua Briemberg and Reinier Veldman


RWSN Webinar early series, May- Jun 2023
2 with 8:
Safe water for 2 billion people with $8 billion, via HWTS
Henk Holtslag and Reinier VeldmanPosterAll Systems Connect 2023
FINISH & SMART Approach:
Market-based solutions for SDG6 & Poverty, Food, Gender and Climate
Valentin Post, Henk Holtslag and Reinier VeldmanPosterAll Systems Connect 2023
Scaling Self-supplyBarbara van Koppen, Colin Andrews, Henk Holtslag, Lemessa Mekonta1. Clip: Introduction Self supply

2. Presentation – Connecting the agricultural and WASH sectors
in self supply and community-based water tenure

3. Presentation – Deep Bed Farming; How Smallholder Farmers become
the Key Water Managers

4. Presentation – Supporting self-supply;
A promising approach to reach SDG6.1 in rural Africa at $25/person

5. Clip with Farmers Experience from Zambia

Background Paper
All Systems Connect 2023

Presentations on
UN Water – Virtual Side Event ‘2 with 8’Sjef Ernes, John Cherry, Nikki Beetsch, Mario Botto, Valerie Mazon, Lieselotte Heederik, Henk HoltslagFull Recording

Background Paper

Event Page

Presentation ‘2 with 8’ initiative
UN Water Conference 2023
UN Water – Virtual Side Event ‘Self supply’Matthias Saladin, John Cherry, Colin Andrews, Martin Fisher, Henk HoltslagFull Recording

Background Paper

Event Page

Presentation ‘Supported Self supply
UN Water Conference 2023
Supporting self-supply
An innovative approach to reach SDG6.1 in rural Africa at $25/person
Henk Holtslag, Reinier Veldman, John Cherry, Barbara van Koppen, Colin Andrews3-pagerInput for the UN Water Conference, March 2023
1. Opening Presentation: Groundwater for rural water supplies: with an emphasis on self-supply and handpump sources for households and communities

2. Stopping the rot: taking action to ensure borehole and handpump quality

3. Self-supply: unlocking the potential of household investment
1. Kerstin Danert

2. Steve Kumwenda

3. Tim Foster, Reinier Veldman
Presentation 1

Presentation 2

Presentation 3

Full Recording (2:30:35 – 3:27:11)
Groundwater Summit, UNESCO 6 – 8 Dec 2022
The Simple, Market-Based, Affordable and Repairable Technologies (SMART) Approach for water supplies – Assessment FindingsKerstin DanertPresentation (slides)
Presentation (recorded)
Recording of the WASH debate
WASH Debates 9 November 2022 – Leveraging household investments: experiences in scaling market-based approaches in water and sanitation
History and status of the rope pump in Nicaragua –
a success story about rural communal water supply and self-supply
Guiliana Fererro and Joshua BriembergEnglish
Assessment of the Simple, Market-based, Affordable and Repairable Technologies (SMART) approach for Water and Sanitation
(Version Nov 2022)
Kerstin Danert, John ButterworthReport
History of the SMART CentresHenk Holtslag, Reinier VeldmanPaper
Assessment of the long-term impact of the SMART approach:
The case of the rope pump in Nicaragua
Joshua BriembergReport
Paper: Practical ideas to reach SDG6.1 and water related SDGs in rural AfricaHenk Holtslag, Jim McGill, Reinier VeldmanPaper
Book: Self supply, filling the gap in water supply provision

Sally Sutton, John Butterworth

Practical Action


SMART Centres and smart solutions
Increase resilience to climate change by building local capacity in innovative and affordable water and agriculture solutions

Henk Holtslag, Reinier Veldman, Abraham Mehari Haile

1. Introduction

2. Presentation SMART Centres

3. Presentation Smart Water for Agriculture

4. Presentation Employment and Impact

IAAS Youth in Agriculture Pre-Event of the Climate Adaptation Summit 2021


Water voor Ruraal Afrika – Uitdagingen & oplossingen
(Water for Rural Africa – Challenges & Solutions)
Henk Holtslag



Wilde Ganzen Partin Maand 2020


Webinar: Rural Water Supply and HandpumpsHenk Holtslag


NICC Foundation

Webinar, 20 Oct 2020

SMART Centres. A promising approach to reach SDG6 and water related SDGs in rural areasHenk Holtslag, Jim McGill




IHE – Delft

Capacity Development Symposium 2020

Faith and Water – Accelerating WASH knowledge sharing and capacity building through the use of Faith GroupsReinier Veldman, Henk Holtslag




IHE – Delft

Capacity Development Symposium 2020

Featured: Henk Holtslag, initiator of the SMART Center GroupBen Eggermont

News item (in Dutch)

News item (translated into English)

Apeldoorn Direct, local newspaper in Apeldoorn, the Netherlands

Webinar: SMART WaSH Solutions in times of CoronaHenk Holtslag, Reinier Veldman


Presentation 1

Presentation 2

Presentation 3, May 6th, 2020

The Utility Approach, Ethiopia – safe water with a utility led distribution of household water filters.Henk HoltslagPresentation Oklahoma University WaTER conference, 2019
Scaling Self-supply with the SMART Approach – a promising development in ZambiaHenk HoltslagPresentationOklahoma University WaTER conference, 2019
Training Entrepreneurs in Malawi in SMART Sanitation and Water TechnologiesReinier VeldmanPresentationStockholm WWW, 2019
The Effect of Tube Recharge on Local Groundwater Tables and Well Water LevelsMekdelawit Messay Deribe, reviewed by Henk Holtslag and Jasmina Van Driel.PaperMetaMeta & SMART Centre Group, 2018
SHIPO and Mzuzu drilling, 2 new low cost options for manual drilling of tube wellsHenk HoltslagPaperRWSN, 2016
The SMART Centre approach; training the private sector and scaling-up Self-supply through a sustainable business model.Morten van Donk, Annemarieke MalthaPaper | PresentationRWSN, 2016
Accelerating Self-supply with the SMART Centre approach.Annemarieke Maltha, Morten van DonkPresentationRWSN, 2016
Six ideas to reach SDG6 for rural water supply.Henk HoltslagPoster | PaperRWSN, 2016
Six ideas to reach SDG6 for rural water supply (updated)Henk HoltslagPosterSMART Centre Group, 2019
Photos of 12 SMARTechs.Henk HoltslagPoster 
130,000 Rope pumps world wide”, many lessons learned.Rik Haanen

Poster | Paper

RWSN, 2016
Household Water Filters for Emergencies.Reinier Veldman

Poster | Paper

RWSN, 2016
Creating sustained usage of household water treatment a case study from Kagera, Tanzania.M. Besteman (Basic Water Needs), L. Osterwalder (South Pole Group) and A. Kiniga (KADERES)

Presentation | Paper

WEDC, 2017
Health, food security and equity, socio-economic factors in Self-supply investment.Dr. Sally Sutton


WEDC, 2017
Making Universal Access to Water Affordable in Zambia and Zimbabwe.Dr. Sally Sutton, Dr. Peter Harvey


WEDC, 2017

technologies for rural water supply. A comparative study between “Rope pumps” and conventional piston pumps on water quality and other sustainability parameters

Beatrice Coloru, Salmon Mgaya, Rebecca Pozzi Taubert


ACRA, 2012
simonPresentations and papers