Community-led water management for a resilient Delta in Southwest Coastal Bangladesh

At a time when the Government of Bangladesh has undertaken an ambitious and timely master plan to re-excavate 20,000 kilometers of canals across the country, the necessity for this in the southwest coastal region is greater than anywhere else. 

In this region, water scarcity for irrigation during the dry season and waterlogging and salinity during the monsoon take on a dire form. The 'SAFAL for Integrated Water Resource Management (IWRM)' project, implemented by Solidaridad Network Asia, stands as a transformative 'proof of concept' or a successful example of our national IWRM strategy.

The death of a 'khal' and the birth of a crisis

For farmers in the southwest coastal region of Bangladesh, water has long been a complex puzzle. For generations, the "khals" (canals) were the lifelines for agriculture in the southwest. Due to silted-up micro-watersheds (canals/khals), the monsoon brings widespread waterlogging, while the dry winter season brings fresh water crisis and soil salinity. Farming in this hostile environment was akin to gambling with fate. 

This region, comprising 27% of the country's total land area, is currently facing a "dual water crisis". Siltation and poor management have filled the canals, leading to severe waterlogging in the monsoon and an extreme lack of irrigation water in the dry season.

Funded by the Embassy of the Netherlands and implemented by Solidaridad Network Asia, the 'SAFAL for IWRM' project proves that the key to climate resilience lies not just in large engineering structures, but in the hands of the local community. 

The project demonstrated that a grassroots, participatory approach to canal rejuvenation can restore the local water cycle, increasing agricultural yields by 16% and household income by up to 75%. This model directly supports the 'Bangladesh Delta Plan (BDP) 2100' and the government's priority goal of re-excavating 20,000 km of canals.

From siltation to sustainability

For decades, the southwest was a landscape of untapped potential. Despite being home to 23% of our population, poverty remained entrenched due to silted-up canals and a desperate reliance on saline groundwater. 

The SAFAL for IWRM, a community-led water management model has turned this tide by rejuvenating the watershed not just for improving irrigation efficiency and drainage, but reviving the living ecosystem.

The project has been making a transformative effect on the local ecosystem, fundamentally changing access to water resources, leading to significant improvements in irrigation efficiency and climate resilience in the agricultural production system. 

By revitalising 80 micro-watersheds covering over 100 km of canals, the project has radically changed the water reality for over 90,000 farming households. The results are nothing short of a miracle for the delta- groundwater dependency for irrigation dropped from 42% to a mere 4%, while surface water use surged to 55%.

The power of the community-led 'micro-watershed' management

The genius of this model lies in its scale. While large-scale polder management remains necessary, the SAFAL for IWRM project demonstrates that community-led "micro-watershed management" (200–500 hectares) can be highly effective, allowing farmers to shape their own destinies. 

When farmers manage their local khals, the results are immediate. Around 80 committees formed by local farmers now decide when to excavate canals, how to distribute water, and how to protect canal embankments, strengthening community governance. This has also improved equity, with 98% of farmers reporting that water distribution is now fully fair, virtually eliminating the traditional conflicts that often arise over water. 

The genius of this model lies in its scale. While large-scale polder management remains necessary, the SAFAL for IWRM project demonstrates that community-led "micro-watershed management" (200–500 hectares) can be highly effective, allowing farmers to shape their own destinies.

As water management improved, cropping intensity increased by 36.8%, rising from 1.9 to 2.6, enabling farmers to cultivate three crops a year where there were previously only two. Agricultural productivity has also risen significantly: overall yields increased by 16%, Boro rice yields grew by 27%, and Bagda shrimp production jumped by an impressive 55%. At the same time, relying on fresh canal water instead of groundwater reduced irrigation costs by 26%. 

Women have also emerged as key leaders, holding 30% of leadership positions in water management committees. Many have pioneered a "dyke economy" by growing vegetables on embankments, improving household water security while creating new income streams. The combined impact of higher yields and lower production costs has produced a powerful income ripple, with average household incomes rising by 75%.

A social revolution in water governance

Mechanical excavation is only half the battle. To achieve a true 'social revolution,' SAFAL for IWRM has created an institutional framework through Micro-Watershed Committees (MWC). 

These committees are not merely administrative, they are the guardians of the watershed. In a landmark achievement for gender-inclusive governance, women now hold 30% of leadership positions in these committees. This shift has translated into better household water security and new income streams, such as dyke-top vegetable gardening and small-scale fisheries, which directly empower women.

Under their management, soil salinity has decreased, turning a climate-vulnerable region into a productive food basket. Approximately 35,838 hectares of land are now under this water-saving and eco-friendly management.

A scalable blueprint for the Delta

The implications of the SAFAL for IWRM project extend far beyond the five districts in southwest Bangladesh. As Bangladesh implements its Delta Plan 2100, the SAFAL for IWRM model offers a "proof of concept" for the entire country. It demonstrates that when local communities are empowered to manage their own watersheds, they don't just survive climate change—they thrive.

By combining climate-smart seeds (salt and drought-tolerant varieties) with regenerative practices like bio-pesticides, use of compost, mulching and less-tillage, the project has turned a climate-vulnerable region into a productive food basket. Surface water availability and regenerative agriculture has been contributing to regenerate a richer agricultural ecosystem and enhanced biodiversity. The SAFAL for IWRM is a powerful model for developing sustainable, productive, and resilient food systems in climate-vulnerable regions of Bangladesh.

The road ahead: Integrated water resource management

As the Ministry of Water Resources moves forward with its 180-day pilot program for canal recovery, the 'SAFAL' model offers a blueprint for long-term sustainability. To secure the Delta's future, three strategic priorities are essential:

Institutional recognition: Granting legal status to micro-watershed committees and formally linking them with local government.

Public-private investment: Increasing investment to ensure the supply of climate-resilient seeds and fair market linkages.

Regenerative models: Focusing on regenerative agriculture alongside canal re-excavation to increase cropping intensity without depleting soil fertility.

The SAFAL project has shown that when we restore nature's systems through community engagement, prosperity follows. The success story of the southwest coast teaches us that the real solution is not fighting nature, but integrated management. These 80 reservoirs now serve as a beacon of hope for other coastal regions of Bangladesh.

Selim Reza Hasan is the Country Manager for Bangladesh at Solidaridad Network Asia.

Disclaimer: The views and opinions expressed in this article are those of the author and do not necessarily reflect the opinions and views of The Business Standard.