You can check out their description of the testing at the website they set up for their water study. Problems with Flint’s public water system date to a decision nearly two years ago by a receiver, appointed by the governor, who decided to cut costs by drawing the city’s drinking water from the polluted Flint River instead of from Lake Huron. In what's become a huge government scandal, garnering headlines across the country and around the world, Flint's drinking water became contaminated with lead after the city temporarily switched its supply source in 2014 from Lake Huron water treated by the Detroit Water and Sewerage Department to more corrosive and polluted Flint River water, treated at the Flint water treatment plant. However, "the State of Michigan and Gov. U.S. Sen. Gary Peters, D-Bloomfield Township, also welcomed the announcement and said he will work to support further federal support for Flint residents. Snyder, who on Thursday night asked Obama for federal financial aid in the crisis through declarations of both a federal emergency and a federal disaster, said in a news release Saturday he appreciates Obama granting the emergency request "and supporting Flint during this critical situation."  The latest on the drinking water crisis in Flint, Michigan (all times local): 
 
 3:10 p.m. 
 
 President Barack Obama has signed an emergency declaration for Flint, Michigan, that clears the way for federal aid to the city undergoing a drinking water crisis. The president's actions authorize the Federal Emergency Management Agency (FEMA) to coordinate responses and cover 75% of the costs for much-needed water, filters, filter cartridges and other items for residents, capped initially at $5 million. Rick Snyder activated the National Guard to help the American Red Cross distribute water to Flint residents to help them deal with the lead contamination that is in the City of Flint's water supply.
– Flint, Michigan's water woes are officially a federal emergency—nearly two years after the city took the money-saving move of switching from using Lake Huron water treated in Detroit to water from the Flint River. That water was found to be highly corrosive to lead pipes still in use in the city, causing lead to leach into residents' drinking water. On Saturday President Obama declared a federal emergency in the city of 100,000, thereby unleashing federal funding and authorizing FEMA to provide water, filters, cartridges, and other items for 90 days, per the AP and Detroit Free Press. Gov. Rich Snyder puts the cost of the aforementioned water distribution and filtering items at $41 million. More: Sanders vs. Snyder: Speaking of Snyder, Bernie Sanders called for his resignation Saturday. "The governor long ago knew about the lead in Flint's water. He did nothing. As a result, hundreds of children were poisoned." Timeline: The AP has a timelines of the crisis, which dates to the April 2014 switch. Notable: In October 2014, a GM engine plant stopped using Flint's water, stating that it was rusting parts. Visualized: The Washington Post has a jarring and informative series of graphics that illustrate "how toxic Flint's water really is." One family's water tested at a level that the EPA considers to be "toxic waste." Every kid: The state's chief medical executive, along with the doctor who publicly called for Flint to stop its use of Flint River water, this week said all 8,657 kids under age 6 in Flint should be considered exposed to lead and treated as such, reports USA Today. The residents' ordeal: The AP speaks with some locals. Rabecka Cordell and her 5-year-old son have lead poisoning; she also has leukemia, he has learning and speech disabilities. She refuses to even use the water to bathe.