More water delivered today...
20240823_180153.jpg
 
Stanleysteamer said:
You are not the only one!
I don't know how blocked up it is, only that the Karcher drain nozzle can't get through all the way yet water or what goes for water coming out of a septic tank can. I have to assume that the tiny grains of gravel are big enough to have enough gaps between them to let it through.
Anyway that'll be enough until next time it blocks up when I think major digging will have to happen.
TBH, I am not sure the water/runoff that we saw when we got here and has been here the past few months has NOT occured simply because the pipes weren't connected properly. Being a normal grunt -type humand being I thought when I started, , "Drain not working, must be blocked" and acted on that.
I am now thinking, "Drain wasn't working, well it was letting outfall out but that was then accumulating in pools because it wasn't connected to the rest of the drain which although partially blocked still now seems to be working, at least, a bit."

As I said I'll keep an eye on it. After a few days of normal living I'll know how bad it is.
Click to expand...
Have you considered the possible action of rats?

They like getting into drain pipes and setting up camp in there and they are destructive little beggars. If there are bends or derivations that gives them an internal surface they can get their teeth into and if plastic pipes they can chew through it.

Pipes underground may be laid with sand/gravel round and on top of them (they do that here) then earth on top. If chewed through that can collapse into the pipe and more of it can get washed into the pipe and accumulate. As for the bits of polystyrene, forms made of it are often used for moulding concrete - I was digging bits of it out of the ground here for years!

We have a pipe here which has a 45 deg bend in it and rats have probably chewed it through at that point. Clean water was going in at one end and coming out the other end was muddy water with stones etc in it. I found a hole in the ground on the surface and poured a load of water down it. Muddy water came out of the pipe. Been meaning to dig it up and sort it but too many other things to do.
 
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