Minnesota Gov. Tim Walz says one of the state's elite K-9 units is heading to central Texas to aid in search and recovery efforts following the devastating floods.

Over 12,000 volunteers have already assisted in Kerr County, according to the Texas Division of Emergency Management.

FEMA records obtained by NBC 5 Investigates show that Kerr County officials did not use FEMA’s Integrated Public Alert & Warning System to send warnings with safety instructions to all mobile phones in the affected area during critical hours as the flooding began on July 4.

In the last nine years, federal funding for a system has been denied to the county as it contends with a tax base hostile to government overspending.

A Kerrville-area river authority executed a contract for a flood warning system that would have been used to help with emergency response, local officials said.

President Donald Trump was expected to arrive in Kerr County, Texas, Friday afternoon, one week after the area was struck by catastrophic flooding.

KERR COUNTY, Texas (KBTX) - President Donald Trump travelled to Kerrville on Friday to survey the destruction left behind by deadly flooding over the Fourth of July Weekend and to meet with local officials on what comes next for Kerr County.