artificial lake, resevoir, reservatory, store, repository, storage, storehouse, depository, feeder reservoir, stash, more...

source, outlet, drain, consumer, depletion

pond, lake, aquifer, well, cistern, tank, tanker, tanker truck, more...

large, great, vast, main, small, natural, huge, upper, important, underground, lower

water container,   such a pool,   river dam,   lake or perry,   oil holder,   pool of,   water bank,   high lake,   pool of knowledge,   big water holder