A six-inch main daylighted to a protected outlet surrounded by clean rip rap. This is what a drainage exit should look like when it is built right.
This outlet was set higher than the drain feeding it, so water always backed up. Here is why slope and outlet level are not optional in drainage.
Rip rap is the rock we install where a drainage system discharges. Here is what it does and why skipping it leads to an eroded, washed-out outlet.
A drainage outlet that dumps water the wrong way slowly carves your property apart. Here is what erosion from a bad exit looks like, and the fix.