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Is it possible

 
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To capture energy from this small waterfall to charge a battery enough to run the pump?  If so- suggestions are most welcome.  It moves approx 9000 GPH.  
The pond wasn’t full of water so we forced a “dry” run with 400 G of water at the head.  
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You can google DIY Hydro Power.  There are a LOT of YouTube videos on this. I have seen hydro power devices purchased and made from all kinds of things like old washing machines.  There are even fish safe turbine systems for smaller outlets.  If you are only looking to recharge a single battery, I am certain you can do it with the right device.  You might to be able to run your pump continuously but if you are doing something like periodic watering or pumping up to an elevated cistern, you should be OK.  
 
Marianne Cicala
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Thanks Lisa- on the list
 
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Hi Marianne;  Beautiful water feature you have there!
Will it generate enough to run the pump?  
Just my opinion, but I think it will not.
Here's why ) At the top of the waterfall you have no pressure. So making power there is a no go.
At the bottom of the fall I'm guessing it's maybe 30' drop?
To try to make power there, you would need to channel all the water to one spot...  then put an ugly micro hydro right there OR you could attempt a water wheel of sorts ...
Much better looking, but questionable how efficient it would be.
Now here is the biggest problem... 12 volt power does not transmit over distance...  By the time it reached your batterys the 30 watts you make at the bottom would be hardly measurable at the top.

I think enjoy what you have its outstanding as is!
 
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