Books and articles are listed at the bottom under References.
Best of luck!
So you layout the PVC pipe and establish your grid, run the pipes next to your flower beds, your trees (note: trees and most bushes need the water source out to about where the foliage extends to, not at the base of the trunk). Once you have done so, make sure the end on the pipe is capped but is sloped downward away from your home%26#039;s foundation (too close to your home and you can get mildew and mold) and headed to the lowest point of the property (usually the street).
Next drill holes into the pipe system, even the cap. This is similar to a drip hose irrigation system, but underground. Make sure you drill plenty of holes evenly spaced, and smaller than the gravel you will be using.
Oh the gravel?.... dig your trenches and line the trench with a layer of gravel or small river stone (depending on the type of soil you have), this layer will allow the water to pass from the hole in the pipe through the rock and into the ground all the while not allowing the mud and dirt to clog the holes. Cover the pipe with the gravel and then fill in with remaining dirt and cover with grass or plants.
Now after you bury your piping connect one end to the run-off end of your gutter system to the new pipe system. The excess water from the rain will trickle down the pipes. If you wish you make a seperate grid for each gutter end...this makes the most sense and maximizes your water delivery.
Note, this is a great way to reduce water usage for plants and flowers, however, remember fertilizer will also trickle down, and sometimes the end which exits near the street can carry the fertilizer to the sewer system, and depending on your local laws, can get you and your animal friends in trouble.
So to be really green use the system, and switch to an organic fertilizer approved by your local utilities or EPA websites.
You can also check these sites
AWWA.org
SNWA.com
greywater.com
remember to call before you dig!
good luck and thanks for conserving :) I work in the Environmental and Resource Science field.
