What to do with a water line under a walkway?
Water lines running just under a path force homeowners to decide whether to dig a trench to lower or reroute the pipe. Many want to avoid extensive digging if an easier solution exists, but leaving it unprotected under a walkway creates a high-stakes obstacle.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Trenching the section lower and installing a protective conduit
- 2Rerouting or lowering the water line entirely before beginning construction
- 3Digging a trench
- 4Tunneling under the walkway with a high-pressure water hose
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
r/Landscaping1 person · September 2026