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2. This Drain Mistake Could Be Costly - AOL

   www.aol.com/drain-mistake-could-costly-205600754...

   The national average cost of French drains is $9,250, according to Angi, a service that connects users with home and landscaping pros. Specifically, yard trench drains cost about $30 to $90 per ...

3. French drain - Wikipedia

   en.wikipedia.org/wiki/French_drain

   A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.

4. Basement waterproofing - Wikipedia

   en.wikipedia.org/wiki/Basement_waterproofing

   A French drain, PVC pipe, or other drainage system is installed in the newly made channel. The installed drain is covered with new cement. The installed drain is covered with new cement. The drainage system collects any water entering the basement and drains it to an internally placed sump pump system, which will then pump the water out of the ...

5. Drainage - Wikipedia

   en.wikipedia.org/wiki/Drainage

   Subsurface drains, on the other hand, are designed to manage water that seeps into the soil beneath the planting surface. French drains, which are gravel-filled trenches with perforated pipes at the bottom, are the most common type of subsurface drain. Trench drains, which are similar but shallower and wider, are also used in some situations. [4]

6. Infiltration/Inflow - Wikipedia

   en.wikipedia.org/wiki/Infiltration/Inflow

   Infiltration will occur where local groundwater elevation is higher than the sewer pipe. Gravel bedding materials in sewer pipe trenches act as a French drain. Groundwater flows parallel to the sewer until it reaches the area of damaged pipe. In areas of low groundwater, sewage may exfiltrate into groundwater from a leaking sewer. [6]

7. Talk:French drain - Wikipedia

   en.wikipedia.org/wiki/Talk:French_drain

   French was born in 1813 and published Farm Drainage in 1859, but a quick Google Books search shows that the term "French drain" was used for this sort of drain as early as 1738. Here are English records from 1808 describing contracts to build "French drain"; here's a citation from Ohio from 1851 ; here are some Canadian records from 1853 .