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Welcome To Hidalgo County Drainage District No. 1

Our Mission is to proactively manage the Hidalgo County Master Drainage System and allow for the efficient exportation of drainage water, to protect life and property for Hidalgo County residents, businesses and surrounding jurisdictions.

Do you have questions, concerns, complaints or need to place a work order?

                          SEND US A PUBLIC REQUEST

News & Articles
KRGV: Hidalgo County approves $5.5 million drainage expansion project
Tue, 17 Mar 2026
Hidalgo County has been approved for $5.5 million in federal funding that will support critical infrastructure improvements and expansion of the West Main Drain, according to a news release. The expan...Read more...
KRGV: New East Mercedes Drainage Expansion Project
Mon, 02 Mar 2026
?? Drainage improvements are coming to Mercedes! Expanded and deepened canals will help hold more water, improve flow, and reduce flooding in nearby neighborhoods. Construction begins next month and i...Read more...
KRGV: Hidalgo County Advances Plans for New Water Treatment Plant
Thu, 29 Jan 2026
Hidalgo County officials are moving forward with plans to develop a $75 million water treatment plant following the award of a major state grant. The Texas Water Development Board has approved a $15 m...Read more...
Region 15 Lower Rio Grande Flood Planning Group Meeting
Tue, 27 Jan 2026
Join us on our upcoming 'Region 15 Lower Rio Grande Flood Planning Group' meeting! February 4th, 2026 2:30 PM CDT Click here to download the agenda for this meeting Watch the meeting live in our YouTu...Read more...