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rainwater catchment question
08-17-2013, 07:20 AM (This post was last modified: 08-17-2013 09:14 PM by eleakai.)
Post: #1
rainwater catchment question
Aloha, again, everyone
Since there are no 'typical' sand beaches, on the Hamakua Coast,
I'm looking on the Kona-side to buy my home. Many of the properties
I can afford do not have public water access; they have only rainwater catchment as a water source. I researched annual rainfall, in Captain
Cook, which is ca. 36". My question is: can this amount of rainfall provide
enough water, from catchment, for 2 people's bathing, laundry, cooking and miscellaneous yearly H2O needs?

Mahalo.

Bob in Tucson

EDIT:

Aloha,
About my rainwater catchment post - I made a mistake re annual precipitation,i in Captain Cook I think I wrote 36". I should have written
56"
Bob
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08-17-2013, 11:15 PM
Post: #2
RE: rainwater catchment question
There are no white sand beaches in Captain Cook either. Only further north, for example White Sands Beach. Regarding using a rainwater catchment system, I don't know anything about it. I have never lived off the grid. But I found these guidelines published by the University of Hawaii: http://www.ctahr.hawaii.edu/oc/freepubs/pdf/rm-12.pdf
From page 10 to 14 it gives tips on how big the water tank has to be and there are some calculations that can help you figure out if the rainfall in a certain area is enough (also considering the size of your roof and water storage tank).
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08-18-2013, 04:06 AM
Post: #3
RE: rainwater catchment question
Aloha Eleakai,

Mahalo nui again, for your very helpful answers to
my current and previous questions.
This is a great forum for learning about Hawai'i!

Sincerely,

Bob F. in Tucson
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10-02-2013, 06:13 AM
Post: #4
RE: rainwater catchment question
I agree with you there is no sand beaches, you need to review the location again I think you mentioned the wrong one here. It will be good for you to sort this out.
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10-02-2013, 12:44 PM
Post: #5
RE: rainwater catchment question
Sorry, but I did not understand what you said.
Would you please be more specific as to what
you mean?
Mahalo
Bob Freedman
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01-09-2014, 04:18 PM
Post: #6
RE: rainwater catchment question
Bob, have you made it to the Big Island. I hope you were able to figure out about the white sand beaches and the location. You might not want the Hamakua coast side because there are no white sand beaches but we do still have some great surf and SUP spot. Either way, you can't go wrong with the Big Island….

Warmest Aloha..
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