Water switch

Hi all,

I would like to connect one water pump with many different sources. So basically I would need something like switch to manage which liquid I would like to get on output. Do you guys have some ideas or experience what to use here? Thank you in advance.

Cheers, I

Is this for drinking water, or ?? more detail please, but offhand you will need several electronic solenoid water valves, such as http://www.ebay.com/itm/Pressure-Solar-Water-Heater-Dedicated-12V-Solenoid-Valve-O0-/290951037147?pt=LH_DefaultDomain_0&hash=item43be0880db. And your arduino can't drive these directly, so you need a driver for each one (maybe a relay, or a transistor).

What is this supposed to do?