How long would it take for electricity and water (or general utilities) to stop being functional in an apocalyptic setting?

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I have this idea for a story were the surrounding infrastructure is intact. Now barring regular maintenance, how long would it take for existing infrastructure to not function? How long could a house run on existing utilities?

Thanks for the help!

In: Engineering

11 Answers

Anonymous 0 Comments

If you have hydroelectric power and gravity feed water supply will not be affected for a few days I would think but as power demand drops or spikes something would need to be done hydro electric power needs to be managed

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