International Boundary & Water Commission (IBWC) Water Data Portal

The IBWC provides an interactive website for agency water data in the Tijuana River Basins and other rivers. This portal serves as a public access point for accessing agency water records as well as a view of current river conditions along the border region. For the Tijuana River Flow click here. For the dashboard home page click here.

Updates Related to the Tijuana River Pollution 

Transboundary pollution flowing from Mexico into the Tijuana River or coastal tributaries create severe impacts to water quality, public health, and environment of San Diego border region. Pollutants that are not captured in Mexico are frequently carried by stormwater runoff or fugitive wastewater from areas in the City of Tijuana across the border and into natural areas in the U.S., including important ecological sites such as the Tijuana River National Estuarine Reserve and Border Field State Park. Contaminated flows in the Tijuana River can reach upwards of hundreds of millions of gallons per day during severe events. To learn on the most recent developments please click here  .

Healthy Water, Healthy Air Survey

You are invited to participate in a research study called "Healthy Water, Healthy Air" to understand how pollution in the Tijuana River and Estuary affects the air, water and health of nearby communities.

Tijuana River Pollution FAQ's

Understand the reasons behind ongoing beach closures and pungent smells affecting Imperial Beach and surrounding communities. The problem stems from sewage treatment failures, both in Mexico and the US, leading to transboundary pollution in the Tijuana River Valley. This has resulted in severe beach closures and smells due to increased sewage flows. Learn about the efforts to address transboundary sewage issues and the role of different governing bodies through the provided FAQ's.

Hydrogen Sulfide Data

UCSD has published a portal to view 48-hour, 12-hour, and 30-minute H2S plots on their website https://airborne.ucsd.edu/h2s/