i had build 2 city. One is a residential and comercial city. And one is industrial city. I got something to ask about industrial city. Does it need water? I build 6 water tower on the industrial city. And it had been shut down. So i build a water treament plant near all the water tower. But after a while, the water tower shut down again and can't operate. Can you tell me what happen? I fear if i didn't solve the problem, my residential city population will lose job. :?

My advice: Use a water pump instead of so many water towers. Make sure your water suppliers are away from where water in the waterways are polluted, otherwise they will be shut down.

or just buy water from the other city.

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Buying water woud be the easiest thing to do.