<screaming catgirl in the distance> [Added at the request of Khantalas]
From the SRD...
No mention of de-ionized, denaturalized, demineralized, or any other form of deconductive-ized. Just potable, zot-able water.This spell generates wholesome, drinkable water, just like clean rain water. Water can be created in an area as small as will actually contain the liquid, or in an area three times as large—possibly creating a downpour or filling many small receptacles.