A lot of people are under the impression that it might be better to use distilled water for home brewing. This couldn't be further from the truth. Distilled water does not contain the minerals required for brewing so you end up having to add them all back into the water anyway.
Tap water is perfectly acceptable for your brew provided you use campden tablets to remove the chlorine and chloramine from your water. It is a good idea to find out your water type from your local authority (i.e. hard or soft water) that way you can treat your tap water accordingly thus ensuring a good home brew.
