Houston Matters

Houston’s Sinking. What Gives?

According to new data from the US Geological Survey, parts of Harris County have dropped between ten and 12 feet since the 1920s. Some argue when you lose that much ground it makes an area more prone to flooding. It’s a phenomenon known as subsidence, the gradual sinking of an area. But the Harris County […]

Flood Flooding Berm Katy Prairie - Dave FehlingAccording to new data from the US Geological Survey, parts of Harris County have dropped between ten and 12 feet since the 1920s. Some argue when you lose that much ground it makes an area more prone to flooding. It’s a phenomenon known as subsidence, the gradual sinking of an area.

But the Harris County Flood Control District says it’s not subsidence that’s causing all the flooding problems — it’s the significant rainfall. 

We talk with Sachin Shah with USGS and Steve Fitzgerald, chief engineer with the Harris County Flood Control District, about subsidence and its relationship to flooding in the Greater Houston region.

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