A: The southernmost portion of Texas has, over the years, been known by many a moniker, among them the Rio Grande Valley, the Lower Rio Grande Valley, the Valley, El Valle, the RGV, and the 956 ...

A Border Patrol agent waits for a patrol boat at the Rio Grande, Thursday, Feb. 13, 2025, in McAllen, Texas.. Water levels are low because Mexico owes the U.S. water under a 1944 international treaty.