Plans to develop a flood monitoring system in the Texas county hit hardest by deadly floods were scheduled to begin only a few weeks later.

At a Wednesday morning press conference, Kerr County Sheriff Larry Leitha declined to answer a question about delayed emergency alerts, saying that an "after-action" would follow the search and rescue efforts. "Those questions are gonna be answered," he added.

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.

Texas officials are being questioned about warning systems ahead of the deadly floods. As NBC News' Priscilla Thompson reports, Kerr County doesn't have a county-wide siren warning system in place.

One of the most beautiful nights we’ve ever had. And I’m just glad that they had that before they passed away,” she said, remembering the night before the flood.

Crews are using construction equipment to clear vehicles, trees and homes in a race to locate the 161 people still missing since Friday’s devastating flood.

President Trump is expected to visit Kerr County, Texas, on Friday to survey damage from last week's catastrophic flooding and to receive updates from local officials.