The Great Houston Flood of 1935

The Flood That Built the Flood Control District The Great Houston Flood of 1935 was the worst flood event in Houston’s history up to that time. An intense 42-hour period of rainfall occurred from December 6 through December 8. While the City of Houston received 5.5 inches of rain, areas to the northwest saw far…

December 5, 20250Comments

Projects

Stormwater Storage Capacity: What Is an Acre-foot?

Flooding is a major concern for residents of Harris County, and truly understanding flood risk includes learning about how much stormwater our detention basins can hold. The Harris County Flood Control District reports storage capacity in acre-feet, a unit of measurement that helps engineers plan and design flood risk reduction projects. An acre-foot is a…

November 17, 20250Comments

Community

When October Brought a Hurricane: Remembering Hurricane Jerry

On October 15, 1989, as most of the Gulf Coast was easing into fall, Hurricane Jerry made a surprise landfall near Jamaica Beach on Galveston Island. With sustained winds of 85 miles per hour, Jerry wasn’t the strongest storm to hit Texas, but it was one of the latest. In fact, Jerry was the latest…

October 16, 20250Comments

Community

Remembering the Floods of October 1994: A Turning Point for Harris County

Thirty-one years ago this week, relentless rain fell over southeast Texas and changed lives forever. Between October 15 and October 18, 1994, a slow-moving weather system combined with tropical moisture from the Gulf of Mexico and remnants of Hurricane Rosa in the eastern Pacific to unleash catastrophic flooding across southeast Texas, including portions of…

October 15, 20250Comments