A water supply facility could be then defined as any physical system used to collect, store, treat, test, or distribute drinking water.
(A water supply facility; could be defined; as any physical system; T:then) (any physical system; used; to collect, store, treat, test, or distribute drinking water)
A water supply facility any physical system
could be defined used
as any physical system T:then
to collect, store, treat, test, or distribute drinking water