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Annual Notices of Areas Subject to Periodic Flooding 

This page is used to post the most recent Flood Warning Notices to the general public, all owners, lessees, licensees and users of lands in the described areas below. Click on the Region described below to see that area's current Flood Warning Notice.

Sierra and Dona Ana Counties, New Mexico and El Paso County, Texas - Rio Grande River Between Percha Diversion Dam and American Diversion Dam

El Paso and Hudspeth Counties, Texas - Rio Grande River between American Diversion Dam and Little Box Canyon

Jeff Davis, Presidio and Brewster Counties, Texas  - Rio Grande River Above Rio Conchos | Rio Grande River Below Rio Conchos

Terrell, Val Verde, Kinney and Maverick Counties, Texas - Rio Grande River Above Amistad Dam | Rio Grande River Below Amistad Dam

Webb, Zapata, and Starr Counties, Texas - Rio Grande River Above Falcon Dam | Rio Grande River Below Falcon Dam

Hidalgo, Cameron and Willacy Counties, Texas - Rio Grande River from Penitas to the Gulf and in the Interior Floodways

Water Quantity Operations Water Quality Operations

Water Bulletins
Download historical water bulletins for the Rio Grande and Colorado River. 

Water Bulletins
Visit the South Bay International Wastewater Treatment Plant's information page.

Mexico Deliveries
View the latest stats of Mexico's water deliveries to the U.S.

View all Minute Agreements between the U.S. and Mexican sections of the IBWC