static water

American  

noun

British.

1. water collected and stored in reservoirs, tanks, etc., as for urban use.

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Example Sentences

The preferred approach is to tap into a static water supply, like a water tank, pond or swimming pool.

From New York Times

If the streams entered static water as they issued from the ice, and this was true where the ice edge reached the sea or a lake, the static water modified the results which the flowing waters would otherwise have produced.

From Project Gutenberg