Income Tax and General Health Conditons (Dar es Salaam)

Hello Friends,

Can comebody inform about the income tax regulations for expats in Tz. I have no idea. I will soon join a company here in Dar-Es Salaam.

I am also looking forward for information on health & hygenic conditions, drinking water in Dar es Salam. Should one use only packaged drinking water...

Looking forward for your responses to help me out ....