Water piping and Water line

Water line and water piping are semantically related in waterway topic. In some cases you can use "Water line" instead a noun "Water piping", when it comes to topics like conduit, water pipe, water main.

Water line noun - A line marking the level reached by a body of water.

Water piping and water line are semantically related in waterway topic. You can use "Water piping" instead a noun phrase "Water line", if it concerns topics such as conduit, water pipe, water main.