A transboundary solution to water management

Guatemala and Mexico

The spectacular volcano Tacaná, on the Mexican-Guatemalan border, is the second highest peak in Central America. Several watersheds in the border areas flow to the Pacific supporting small communities. In the high tributary streams, WANI helped develop 12 micro-watershed committees, to manage their shared water and land resources. It also developed links among the committees and with higher-level institutions.

Challenges and achievements

Transboundary Water Management

The basins of the Suchiate, Coatan, Cahoacan, and Cosalapa Rivers span Guatemala and Mexico, presenting complex governance challenges due to historical lack of coordination and competing water demands.

Community-Led Conservation Efforts

WANI’s Tacana project fostered collaboration between municipalities, leading to the Tapachula Declaration of Intent and the formation of micro-watershed committees. Community initiatives focused on reforestation, agro-forestry, and youth-led enterprises.

Decentralization of Water Management

In Mexico, the project coincided with the adoption of a new water law, enabling decentralized water management at municipal and regional levels. Successful implementation in Chiapas garnered national recognition and further support.

Expansion and Replication

Building on its success, the Tacana approach expanded to all 14 watersheds in the Suchiate and Coatan River basins, supported by continued efforts from organizations like IUCN in addressing transboundary governance and water management issues.

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IUCN Tacana project in Guatemala
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