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Drainage district outlines $70M in flood‑mitigation grants, $13M NRCS award and major channel projects
Summary
Cameron County Drainage District No. 5 told the Harlingen City Commission it is pursuing roughly $70 million in grants for widening channels, detention ponds and crossings, has secured a $13 million USDA/NRCS package, and plans multiple major projects including a proposed parallel channel estimated at $15–20 million.
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Rolando Vela, general manager of Cameron County Drainage District No. 5, briefed the Harlingen City Commission on a multi‑year program of flood‑mitigation projects that officials said will reduce peak flows, widen channels and add detention capacity across the north main drain corridor.
Vela said the district is pursuing about $70 million in grants for projects including widening the North Main Drain, constructing multiple detention ponds (one upstream set of ponds totaling roughly 92 acres was shown in staff materials) and upgrading crossing structures. He told commissioners the district secured a $2.5 million grant for design work to address a bottleneck under Business 77 and the railroad—plans call for concrete box culverts to replace a constrained crossing—and that the district recently obtained a roughly $13 million package from the U.S. Department of Agriculture's Natural Resources Conservation Service for regrading, sheet‑piling and stabilization work on the North Main Drain.
Vela described a larger $26 million project to concrete‑line portions of the North Main Drain and build detention ponds north toward Breedlove, and said his board is studying a future parallel channel about a half‑mile north of the current drain that could require acquiring 200–300 feet of right‑of‑way across about 4.5 miles, with an estimated cost in the $15–20 million range.
The presentation emphasized the importance of regional cooperation: Vela described ongoing work with the city of Harlingen staff, irrigation districts and state representatives and said the district will take proposed legislative priorities to the Capitol ahead of the next session. Commissioners asked about timelines; Vela said some projects are in design and expected to move into construction soon, with several detention pond projects starting within the year.
What’s next: Drainage District No. 5 and city staff said they will continue coordination on design, right‑of‑way acquisition and state funding requests, and the district expects to return with construction notices and schedules.

