Alex Garcia on Why the Surface Water Conversion Was Necessary
The transition from groundwater to surface water was driven by more than regulation—it was driven by science. Alex Garcia explains how groundwater depletion, subsidence, and flooding are connected, and why long-term sustainability required a different approach.
Transcript
Transcript edited for clarity and readability.
The Subsidence District has a regulatory plan that requires this conversion to surface water, and that is the driver. That’s what pushes this entire process.
Through its analysis, the Subsidence District concluded that the amount of groundwater being drawn from the aquifer was not sustainable. That created subsidence problems, and those subsidence problems correlated to drainage problems because subsidence effectively creates a bowl.
Houston is essentially flat. This is not the Texas Hill Country where people live on hills. When subsidence creates a bowl in the land and a major rain event occurs, the water stands there much longer.
Whether it’s foundations cracking because of subsidence, drainage problems because of subsidence, or the lack of a sustainable yield because we’re drawing so much water from the aquifer, all of those things together are what led the Subsidence District to conclude that, over the long term, it was not sustainable.
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