[Greenbuilding] Living with a rainwater cistern(was Re:hotwater)

[Kathy Cochran]

Thanks for your perspective!  That was pretty good!

 

My roof is basically 5/12 over 1600 feet.  Haven't figured out exactly (yet)
how many sq feet of roof I have.  But tomorrow is another day.....

 

Thanks again,  Kathy

 

 

 

From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of Nick
Pyner
Sent: Thursday, February 10, 2011 7:35 PM
To: Green Building
Subject: Re: [Greenbuilding] Living with a rainwater cistern(was
Re:hotwater)

 

The regularity of the rainfall is usually a bigger issue than the quantity
and the break point is determined by the degree of dependence rather than
mere desire. The roof area is a big player. 

 

1 mm rain on 1 sq.m. of roof = 1 litre in the tank. And you work on from
there. The tank I alluded to may never get filled, but there was no point
making it smaller.

 

I submit that rainwater is a bit too precious to use on the garden unless
you have plenty of it, and investing in collection for that purpose isn't
such a good idea. You might consider using grey water instead, you usually
have plenty of that. 

 

Nick Pyner

Dee Why   NSW 

-----Original Message-----
From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org]On Behalf Of Kathy
Cochran
Sent: Friday, 11 February 2011 12:17 PM
To: stubby at citilogs.com; 'Green Building'
Subject: Re: [Greenbuilding] Living with a rainwater cistern(was
Re:hotwater)

I would imagine that there is a break-point in average rainfall where
collecting rain off the roof is practical for the collection of water use to
supply a household, and one that grows a vegetable garden to support that
household.  What would be the suggested annual rainfall to make a system
like this practical?  

 

Thanks in advance,

 

Kathy Cochran

San Andreas, CA  95249

 

PS  Since I have lived here (10 years) I have seen a variance from 19 inches
all the way up to 46 inches.  Average is considered to be around 30".  

  _____  

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