Another thing to remember about PVC installations: The pipe holes should be oriented downward. Counterintuitive though it may be, French drains work by allowing water to flow into them from below.

Installing a French drain involves marking the drain's location, digging a trench, laying landscape fabric, and installing a ...

The main inflow of water comes from a collection basin at the beginning of the pipe, usually in a place where water naturally pools or floods. Water also flows into a French drain pipe along its ...