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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 Harris County. Over those four days, rainfall totals ranged from four inches in some areas to nearly 29 inches at Cedar Bayou and Highway 90. On average, almost 20 inches of rain drenched the 2,830-square-mile San Jacinto River watershed.
The results were devastating. Major flooding occurred along the San Jacinto River, Spring Creek, Cypress Creek, Brays Bayou, Greens Bayou, and many others. The West Fork of the San Jacinto River rose five feet higher than its previous record set in 1929, with more than 1.9 million acre-feet of water passing through Lake Houston. Over 3,400 homes and businesses flooded in 90 subdivisions.
As floodwaters began to recede, another tragedy struck. On October 20, several oil pipelines ruptured in the lower San Jacinto River after the floodwaters scoured the riverbed. The resulting oil spill ignited, setting fire to flooded homes, barges, and a railroad bridge.
The October 1994 Flood was an incredibly devastating flood event for Harris County residents. It led to targeted buyouts in the hardest-hit areas, particularly along the San Jacinto River, to relocate hundreds of people to higher ground and reinforced the need for additional flood mitigation projects across the region.
As we reflect on this event, we are reminded that flooding in Harris County is not a question of if, but when. Every storm teaches us something new about the power of water, the resilience of our communities, and the ongoing need for investment in flood mitigation.
The Flood Control District is continuing to make historic progress in flood risk reduction projects and maintenance efforts thanks to voter support and dedicated staff. Stay informed by following us on social media.