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This simple video shows you how to build a leaky drain, which uses storm water to irrigate plants in a verge garden.

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Comment by Dave Riley on November 9, 2017 at 0:36

Nonetheless I wouldn't plumb any system either/or as you may flood your land --and worse still, your neighbour's and they'd be no insurance claim possible..

I've used downpipe/rainwater diverters before and they are safe, cheap and effective: LINK.

Too much rain cometh down? Turn the diversion off.

The presumption should be that you need a drain  to drain the diversion.

If you do your sums you'll be able to estimate how much water volume will tumble down the pipe given any rain storm. Can you garden take that flow?

Indeed rather than plumb piping hither and yon it may be better to adopt some of the water-in-the landscape principles by running the water to a holding pond or wetland and let  it seep into the ground from there. Depending on your soil type of course.

Rain gardens do that :LINK

Here's a simple DIY:LINK

In my experience -- limited as it is -- the only drawback from such a concept in SEQ  are night time frog calls which may impact on sleepy bye byes. Much as I love them, at 2am Striped Marsh frogs can be upsetting for some.

The other approach is my fav form of irrigation; you raise your garden beds into longitudinal mounds and feed water over the paths, or valleys, between them, using the mounds as swales.

You can also engineer flow by planting hedges of Vetiver close together...

Comment by Cathie MacLean on November 8, 2017 at 20:31
This is basically what I have planned for one of my down pipes which does not feed water to my tanks. I am planning to cut the pipe where it meets the soil, redirect it via a solid pipe under a walkway then using the slotted pipe feed it through my garden bed. I was thinking about adding a couple of junctions so that it could go in different directions through the bed but I don't know if that will block the flow of water or not. I was surprised when they did not join the pipe in the video - wouldn't the water pool and erode the soil at that point?
Comment by Dave Riley on November 8, 2017 at 17:54

I had never considered the leaky pipe option but with my roof run off it raises the game for 12 months of the year.As well as having a "leaky pipe" you could also re-route the flow so that it irrigates parallel to the curb but still exits via the gutter outlet.

It's worth noting that maybe up to one third of urban areas are roadways and with the flow from domiciles and commercial enterprises our flooding problems are sponsored by a false urban paradigm.

Flush it to the sea! Quickly! Regardles of its volume.

Councils should be encouraging property owners to use the water that falls on their land within their land.

indeed this is why Brisbane is so flood prone:

  • Roadways and roofs
  • No attempt to slow water flow along catchments
  • Building regulations that demand flow to street
  • An archaic sewerage plan
  • Deforestation and land clearing for urban sprawl.
  • Zoning laws ruled on profit for developers...and the ready use of 'fill'.

Of course there are issues of drainage dependent on contour, gravity and soil type -- but it irks me to see one half of my roof (plus),  drain to the gutter and out to sea in minutes after the rain falls or the dew condenses.

Comment by Andrew Cumberland on November 7, 2017 at 22:08

In Brisbane, "hardscaping" which is not allowed, is anything above ground or which might present a slip, trip, fall risk.  I ran irrigation through my footpath.  My motto remains, it is their land.  If they need to dig, then I need to replace my irrigation at my own cost and just be supportive of what they do.  Given the likelihood that any dig will be for my benefit or a neighbour's, I can live with that.   

Comment by Elaine de Saxe on November 7, 2017 at 20:15

Cool idea! Do Council's allow their property to be dug up? Although we are responsible for the maintenance of the 'verge' (aka footpath) we don't own the land.

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