Water School

Subsidence is a drop in the surface level of land. It sometimes occurs when groundwater is pumped from an aquifer. During this virtually irreversible process, cracks, fissures and sinkholes can appear in the ground.The southern area of the Brazos River basin has experienced a great deal of subsidence. To combat this problem, regulatory bodies known as subsidence districts were created by the State of Texas to begin lowering the use of groundwater and moving to a larger use of surface water in or...