The <a href="https://en.wikipedia.org/wiki/Flint_water_crisis" id="mwAVQ" rel="mw:WikiLink" title="Flint water crisis">Flint water crisis</a> begins when officials at <a href="https://en.wikipedia.org/wiki/Flint,_Michigan" id="mwAVU" rel="mw:WikiLink" title="Flint, Michigan">Flint, Michigan</a> switch the city's water supply to the <a href="https://en.wikipedia.org/wiki/Flint_River_(Michigan)" id="mwAVY" rel="mw:WikiLink" title="Flint River (Michigan)">Flint River</a>, leading to <a href="https://en.wikipedia.org/wiki/Lead_poisoning" id="mwAVc" rel="mw:WikiLink" title="Lead poisoning">lead</a> and <a href="https://en.wikipedia.org/wiki/Legionnaires'_disease" id="mwAVg" rel="mw:WikiLink" title="Legionnaires' disease">bacteria contamination</a>.<sup about="#mwt54" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"startdate"},"body":{"id":"mw-reference-text-cite_note-startdate-8"}}' id="cite_ref-startdate_8-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_25#cite_note-startdate-8" id="mwAVk" style="counter-reset: mw-Ref 8;"><span class="mw-reflink-text" id="mwAVo">[8]</span></a></sup>