Residents in an area south of Houston have been urged to leave their homes after a key flood defence system was breached.
The Brazoria County Office of Emergency Management said the levee near a resort at Colombia Lakes had failed as southern Texas continues to weather the impact from Storm Harvey.
Two days ago, residents had been told to evacuate the area and travel to a nearby shelter in Angleton as the Brazos river began to fill to capacity.
On Sunday, the river was approaching 44 feet, and it was expected to reach 52 feet before it crested the levee. The water is not expected to lower before this weekend.
Harvey made landfall as a category four hurricane before diminishing, but even with the drop in strength, thousands have been displaced by the storm, which made landfall as a category four hurricane.
Donald Trump has vowed to provide "every asset" under his command to help out individuals affected by tropical storm Harvey.
In a press conference in the White House on Monday, the US President said money would be provided even in the event of a government shutdown.