In some places water comes from lakes and reservoirs with ample rain fall. In places where it doesn't, water desalination via nuclear generated electricity should take over.
The real driver behind these energy regs is infrastructure, or lack there of. It is easier for the consumer to foot the bill instead of upgrading and building pipes, treatment plants, pump stations, generating plants, power lines, ect which are in dire need of upgrade and expansion regardless.
Restrictive regulations are un-Constitutional and go against the very principles which made the United States the richest and most powerful nation on earth. People have long forgotten that freedom, not regulation are what bring universal prosperity. Unlike so many failed experiments in history, this one has money, technology, human rights advancements, reductions in human suffering, increased standards of living and profound enlightenment vindicating its success. Where it is all going wrong is people forgetting the very Constitutional and Human Rights which gave rise this success, replacing them with dictatorial ideals that have long been proven a complete failure at every point in human history by every conceivable measure.