I'm planning on burying some rigid PVC pipe to attach guttering on my house to a few pop-up emitters like this:

Pop up drain emitter

But the pop-up emitter makes a right angle UP, so doesn't that mean that basically the entire buried pipe will remain filled with stagnating water? It seems like this would be normal but I'm not sure if this causes smell issues or any other adverse effects.

  • 3
    Are there any holes in the pipe? If not poke a few and any water will drain and not become stagnant.
    – Ed Beal
    May 18, 2020 at 19:27

1 Answer 1


I used a post hole digger and made a small leech pit right under the 90 on mine. Filled it with gravel and drilled a 3/8" hole in the bottom of the 90. After it rains the water can drain out and absorb into the dirt.

  • Great suggestion, sounds totally reasonable, thanks!
    – Chuck
    May 18, 2020 at 20:38
  • So.....when I say small I mean small in relative terms. Small for a typical leech line/field. I dug a hole 3' down and that seems to have worked fine over the last 6-7 years. I'm sure it will eventually clog with shingle silt and dirt, but will be relatively easy to dig back and start over with clean gravel.
    – roasthead
    May 18, 2020 at 20:43
  • The fittings are not watertight anyway, so even without holes the water eventually empties.
    – JRaef
    May 18, 2020 at 21:09
  • Do those right angle fittings have a knockout to make a hole? May 19, 2020 at 19:53
  • Not that I've ever seen. Have to drill a hole in it.
    – roasthead
    May 20, 2020 at 12:24

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