Tag Archives: First Street Tunnel

Houston, Texas, considers massive underground stormwater tunnel project

Although downtown Houston, Texas, sits only about 15 m (50 ft) above sea level, enough room exists underground to build a massive tunnel system for stormwater conveyance, according to the preliminary results of a Harris County Flood Control District (HCFCD) inquiry. The conveyance system would span about 16 km (10 mi) and consist of tunnels […]

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Ambitious DC Water project to cut flood risks by up to 40%

Last October, DC Water (Washington, D.C.) wrapped up construction on the First Street Tunnel, an 822-m-long (2700-ft-long), 7-m-wide (23-ft-wide) stormwater pipe located approximately 10 stories beneath Bloomingdale, one of the District’s most historically flood-prone neighborhoods. In July, the First Street Tunnel passed its biggest real-world test to date. When a line of severe storms hit […]

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