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About Region 15

The Lower Rio Grande Regional Flood Planning Group is responsible for developing a regional flood plan by January 2023. Based on the regional flood plans, the Texas Water Development Board will prepare and adopt Texas' first-ever state flood plan and present it to the Texas Legislature in September 2024.

Our Mission

The intent of the Regional Flood Planning Group Region 15 is to minimize the impact of flooding in the Region 15 Flood Planning Group Area while considering the public safety, economic, environmental and societal implications of its recommendation.


The Region 15 Lower Rio Grande Regional Flood Planning Group is soliciting nominations to fill one voting position to represent the municipalities on the Region 15 Lower Rio Grande RFPG.

If you are interested please complete the following nomination form and submit it including additional documents via e-mail to or mail it to Region 15 RFPG, c/o Jaime J. Salazar, Hidalgo County Drainage District No. 1, Doolittle Rd., Edinburg TX 78542.

Submissions will be accepted until 5:00 pm November 30th, 2021.

Please call 956-292-7080 for more information.

Upcoming Board Meeting: December 12th 2021 - 9 AM

Facts About Region 15

This region begins at International Amistad Reservoir in ValVerde County, which separates the Upper and Lower Rio Grande regions, and extends to the Rio Grande Valley region near the Gulf of Mexico. It contains six major lakes/reservoirs, including two that border the U.S. and Mexico, 14 counties (some partial) and 10 major cities.

Population Estimate (2019): 936,558
Approximate Area: 43,204 square miles
Approximate Stream Miles: 5,300
Approximate NFIP Claims (1975-2019): $173,104,689


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