Attorneys representing more than 500 Flint residents have filed a lawsuit against the Environmental Protection Agency (EPA) seeking $220 million in potential damages. But since the water crisis in Michigan gained national attention months ago, the issue of high levels of lead in drinking water supplies has also surfaced elsewhere, with municipalities around the country discovering similar problems. A new report even found high levels at public schools in the nation’s capital, leading authorities to test every public and charter school in the District.