How deep should a french drain be?

Answer A French drain should be placed in the top 24 inches of soil to catch the most water before it reaches your house. The pipe should lie level or slightly downward so that water will flow smoothly to... Read More »

Top Q&A For: How deep should a french drain be

How deep should you install French drain pipes?

You should bury French drains approximately 12 inches down. You will need to dig about 13 inches down to leave room for about one inch of rock to be laid down below that. Make sure the holes in the... Read More »

How much pea gravel do you put in a French drain?

French drains are used to drain excess water away from low-lying parts of a yard. There should be 2 inches of pea gravel around all sides of the drain pipe. The gravel should be clean and washed. ... Read More »

How do you install a french drain?

You can find detailed instructions at It's not difficult, but does require some effort. You dig trenches all heading away from where the water tends to puddle, making sure those tr... Read More »

French Drain Explanation?

Invented by Henry French in the late 1800s, the French drain is not French at all but American. Henry French was a farmer in Concord, Massachusetts who published literature about farm drainage in 1... Read More »