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.

Before and after satellite images reveal the catastrophic impact the Texas flood had on parts of Kerr County closest to the Guadalupe River.

KERRVILLE, Texas (AP) — Over the last decade, an array of Texas state and local agencies missed opportunities to fund a flood warning system intended to avert a disaster like the one that killed dozens of young campers and scores of others in Kerr County on the Fourth of July.

More than 100 people have died across Texas from the floods, with Kerr County taking the heaviest blow. Nonprofits, restaurants and prominent business from H-E-B to the Salvation Army to P. Terry's are all taking efforts to raise funds or provide supplies to the impacted communities. A full list of places accepting donations can be found here.

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

At least 120 people have been killed and 173 others are missing as Texas officials deflect questions over the state’s response to the catastrophic flash floods.Kerr County remains at the center of the disaster after the Guadalupe River burst its banks on Friday.

Kerr County and the Upper Guadalupe River Authority have tried several times to get funding to upgrade flood alerts on the river, dating back to 2016.

Newly released satellite images reveal catastrophic damage caused by the Hill Country floods along the Guadalupe River.

Recordings provided to CBS News showed first responders asking for an emergency alert to be sent, but dispatchers delayed because they needed special authorization.

With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

The most powerful thing that I can do, is come up here and intercede with prayer for these families, that are hurting beyond what anyone can ever imagine."