Gov. Snyder, former Flint officials testify in D.C. on water crisis

EPA Administrator Gina McCarthy, right, accompanied by Michigan Gov. Rick Snyder, left, appears before a House Oversight and Government Reform Committee hearing in Washington.

EPA Administrator Gina McCarthy appears before a House Oversight and Government Reform Committee hearing in Washington.

Staff members hold up stacks of emergency manager edicts from the office of Michigan Gov. Rick Snyder as Rep. Gerry Connolly, D-Va., angrily questions Snyder why there were no edicts about the Flint water crisis.

Michigan Gov. Rick Snyder pauses while testifying before a House Oversight and Government Reform Committee hearing in Washington.

Michigan Governor Rick Snyder testifies about the lead in Flint water during a House Oversight and Government Reform Committee hearing.

Michigan Governor Rick Snyder arrives to testify about the lead water in Flint, Michigan, during a House Oversight and Government Reform Committee hearing on Capitol Hill in Washington, DC.

Michigan Governor Rick Snyder testifies about the lead in Flint tap water during a House Oversight and Government Reform Committee hearing on Capitol Hill in Washington, DC, March 17, 2016.

Michigan Gov. Rick Snyder testifies about the lead in Flint water.

Michigan Gov. Rick Snyder arrives to testify before a House Oversight and Government Reform Committee hearing in Washington, Thursday, March 17, 2016, on high levels of lead found in residents' tap water in Flint.

EPA Administrator Gina McCarthy and Gov. Rick Snyder meet during a House Oversight and Government Reform Committee hearing.

Michigan Gov. Rick Snyder and EPA Administrator Gina McCarthy are sworn in to testify before a House Oversight and Government Reform Committee hearing in Washington, Thursday, March 17, 2016.

Former State EPA Administrator Susan Hedman, left, appears before a House Oversight and Government Reform Committee hearing, in Washington. Emails obtained by The Associated Press show EPA chief Gina McCarthy warned in September that the Flint water crisis could "get very big very quickly." McCarthy responded Sept. 26 to messages notifying her that the city's water had high levels of lead and that it had been detected in the blood of some children. McCarthy was responding to an email the previous day from Hedman, then the head of the EPA's regional office in Chicago.

Former State EPA Administrator Susan Hedman, left, former Flint Emergency Manager Darnell Earley, former Flint Mayor Dayne Walling, and Virginia Tech environmental engineering professor Marc Edwards are sworn in to testify before the House Oversight and Government Reform Committee, in Washington, Tuesday, March 15, 2016.

Chairman Rep. Jason Chaffetz, R-Utah, holds up EPA emails as former Flint Emergency Manager Darnell Earley, former State EPA administrator Susan Hedman, former Flint Mayor Dayne Walling, and Virginia Tech environmental engineering professor Marc Edwards testify before the House Oversight and Government Reform Committee, in Washington, Tuesday, March 15, 2016.

Darnell Earley, former emergency manager of Flint, listens to members' comments during a House Oversight and Government Reform Committee hearing, about the Flint water crisis, on Capitol Hill March 15, 2016, in Washington, D.C.

A Flint resident, center, reacts to testimony from former Flint Emergency Manager Darnell Earley.

Ranking member Elijah Cummings, D-Mayland, speaks during a House Oversight and Government Reform Committee hearing, about the Flint water crisis, March 15, 2016, in Washington, D.C. The committee heard testimony regarding the Federal Administration of the Safe Drinking Water Act in Flint.

Susan Hedman, former Region 5 administrator at the Environmental Protection Agency, testifies about the lead levels in the water in Flint.

Virginia Tech environmental engineering professor Marc Edwards testifies before the House Oversight and Government Reform Committee.

Darnell Earley, former emergency manager of Flint, listens to members' comments.

Former Flint Mayor Dayne Walling testifies before the House Oversight and Government Reform Committee.

Former State EPA Administrator Susan Hedman appears to testify before the House Oversight and Government Reform Committee, in Washington.

Darnell Earley, left, former emergency manager of Flint, and Dayne Walling, former mayor of Flint, listen to members' comments during a House Oversight and Government Reform Committee hearing.

Flint residents sit in the audience at the hearing.

Former Flint Emergency Manager Darnell Earley appears before the House Oversight and Government Reform Committee.

Flint residents sit in the audience as former Emergency Manager Darnell Earley, former State EPA administrator Susan Hedman, former Flint Mayor Dayne Walling, and Virginia Tech environmental engineering professor Marc Edwards testify before the House Oversight and Government Reform Committee.

Susan Hedman, former Region 5 administrator at the Environmental Protection Agency, testifies about the lead levels in the water in Flint.