Can We Help the Assyrian Christians?

This a question whose answer I also would like to know. A reader asks:

So I don’t even know the right questions to ask, but besides prayers do you or anyone here know or is able to reliably find out what I can do to help the Assyrian Christians in Iraq, namely from Mosul:

Is there, for instance a charity to donate to for the help of purchasing water for the Christians as ISIS has cut off the Christian communities water supplies and the Kurds are having to truck it in at a figure I saw of over $10 a gallon?