I agree that Newark had terrible water but a big issue is the funding to fix the problem... and the artical goes into all the research about the water but neglects to talk about federal and local funding.
"So far, however, the idea of setting up a trust fund to allow the Haitian government to eradicate cholera by providing clean water and sanitation has been a deal-killer among international donors."
"'If we do get a final order that the UN's immunity doesn't apply, we would expect the UN to put in clean water and sanitation and compensate the victims,' Concannon says [....] That's the optimistic view."
"That kind of political morass is one big reason - though by no means the only one - why the billions in relief and recovery aid haven't been enough to rescue Haiti from the disasters that fate kept flinging its way."
In this PECE essay, there are numerous articles that discuss New Jersey's, mainly Newark's, vulnerabilities and resilience to hurricanes.