Collect rainwater to use on the garden rather than using your hose.
Already, a tank collects rainwater for use in the resort's laundry.
He sat on the edge of the raised flat "roof" used to collect rainwater.
A large depression in my crazy paved drive collects rainwater.
Several small check dams have been built on these streams to collect rainwater.
People are being asked to use as little water as possible and to collect rainwater.
"They were going to collect rainwater in them at one time."
It helped me make a plan to collect rainwater and build an irrigation system.
Eileen set the can on the roof to collect rainwater, and they lay down again to wait for morning.
We put a barrel outside to collect rainwater for use in the garden.