Bound to find a water source (6)
I believe the answer is:
spring
I believe this clue is a double definition.
'bound' is the first definition.
(both can mean to leap)
'a water source' is the second definition.
(I've seen this in another clue)
'to find' acts as a link.
(Other definitions for spring that I've seen before include "past February is it?" , "bound to > become warped" , "Schumann symphony" , "in which vegetation begins to appear" , "split" .)