Michael did a pretty extensive talk on the various considerations for water storage and usage in
permaculture. This is from his Missoula 2013 PDC:
http://www.youtube.com/watch?v=UAmCk6XZCdU
This is part 2, more information on dryland water usage in this one:
http://www.youtube.com/watch?v=3rz86igCows
And part 3:
http://www.youtube.com/watch?v=MNEtRD7P7VI
AAAAAnd finally, part 4:
http://www.youtube.com/watch?v=MCajta283Ps
Like I said, he covers quite a bit of very useful information.
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