The work will benefit 1,700 families in the Brazilian state.
According to state oil firm Ecopetrol, three rural aqueducts in Arauca were affected by a spill caused by an attack on the Caño Limón-Coveñas pipeline.
The project will benefit the entire population of Brazil's Rio Verde city.
Large quantities of water are needed for the operation of the canal's locks.
The new rules seek to boost local participation in the structuring of projects.