Hi,

I have a clay soil garden with a lawn that does not drain the water away even though I have had herringbone drainagepipes installed. would rotovating the clay with sand help?
My garden slopes left to right and from the back fence towards the house. The water standing on the soil at the boundary of my fences and nearest the house next to the path. Can you give me advice would it be better digging trenchand with catch basins because the herring bone drainage has not seemed to work anymore after two years.

Any help will be apprecited.

I didn't find the right solution from the Internet.

References:
https://forum.gardenersworld.com/discuss...-drainage-issue
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Thank you.