Strong Wash Systems

Systems-Wide Approach

To deliver positive change towards water, sanitation, and hygiene service delivery, we need a systems-wide approach that tackles key building blocks of the water, sanitation, and hygiene sector.

What is system strengthening?

System strengthening involves taking actions and supporting interventions that are considered likely to strengthen one or more elements of a whole system. This includes strengthening both the factors (technology, financing, regulation, coordination, service delivery, etc.), as well as the capacity of actors and their inter-relationships, to improve the quality and sustainability of WASH services and ensure that all populations are served.

Agenda for Change members are committed to systems strengthening through collective action.

Building Blocks

WASH systems are made up of complex, interconnected components that help the system to function; we refer to these components as building blocks. Over time, as more building blocks are strengthened, we begin to see a strong and resilient WASH sector emerge.

Institutional Arrangements & Coordination

Service Delivery Infrastructure




Regulation & Accountability

Water Resource Management

Learning & Adaptation


Systems Strengthening Tools

The following tools were compiled from Agenda for Change members and external systems actors.

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A District-Level Roadmap for Universal Access to Dustainable Sanitation Services 2021

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A District-Level Roadmap for Universal Access to Sustainable WASH Services 2017

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Agenda for Change Systems Strengthening Brief – Asunción, Perú

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Agenda for Change Systems Strengthening Case Study – Asunción, Perú

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Collecting life-cycle cost data for WASH services: A guide for practitioners

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Mission d’assistance technique RCA

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National Level WASH Systems Assessment in Uganda

Blog Post

National O&M models for sustainable rural water systems

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Republic of Rwanda National Water Supply Policy 2016
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