When people have access to clean water, they can take their future into their own hands, live sustainably, and work their way out of poverty with dignity.

Watch how sand dams work

Film explaining how sand dams work and their potential impact in the world's drylands



What a sand dam would mean to us

The Matumo Tree Growers self-help group was founded in 2012, with the incentive of finding solutions to many issues the community faced due to a lack of access to clean water. We discussed the current situation and future aspirations if they were offered enough funding to build sand dams.


Author: Dwain Lucktung

3,200 people benefiting from the Catipo sand dam in Mozambique

In May 2018, Excellent’s Programmes Officer, Callum Sheehan, caught up with some of the members of the Catipo community in Mozambique to see what changes their new sand dam has brought to the community.


Author: Dwain Lucktung

1,000 sand dams! An Excellent milestone

Programmes Officer, Callum Sheehan, looks at various sand dam success stories as Excellent Development reaches the milestone of enabling 1,000 sand dams in drylands.


Author: Dwain Lucktung

Our Impact


Number of sand dams


People with access to clean water


Per person to provide clean water for life


Trees planted


Please donate what you can to transform lives with sand dams and clean water.



Target amount: £2,147,483,647.00

Amount raised: £8,151.77


Excellent news

Our Strategy

  • 1 million sand dams for 0.5 billion people by 2040

    Read about our plan to directly support other organisations to build sand dams, in turn, realising our vision to support millions of the world’s poorest people by helping them to transform their own lives through water and soil conservation in drylands. Read more