Water Quality

Did you know that stormwater runoff from city streets, residential neighborhoods, and rural farmland can introduce harmful contaminants and bacteria into the San Antonio River? By analyzing samples collected during

Imagine for a moment that you hear the rumble of thunder and the soft patter of raindrops falling onto your roof. You peer out of your window and confirm what

Mussels have been in the news in recent years for two main reasons: 1) they are imperiled, threatened, or endangered and in desperate need of conservation, or 2) they are

Estimated Reading Time: 5 Minutes San Antonio River Authority (River Authority) aquatic biologists are preparing for a native freshwater mussel reintroduction in the Mission Reach of the San Antonio River

Welcome to the San Antonio River Authority’s (River Authority) Basin Report Card series! The San Antonio River Basin Report Card is an annual assessment of twelve indicators that highlight the

Welcome to the San Antonio River Authority’s (River Authority) Basin Report Card series! The San Antonio River Basin Report Card is an annual assessment of twelve indicators that highlight the

Welcome to the San Antonio River Authority’s (River Authority) Basin Report Card series! The San Antonio River Basin Report Card is an annual assessment of twelve indicators that shine a

In the past few years, the San Antonio River has faced a new threat to its ecosystem. San Antonio River Authority (River Authority) biologists first responded to the observation of

Top left: A freshwater mussel filter feeds with its incurrent and excurrent apertures. Top right: Mussels recovered during a relocation event. Species include Yellow sandshell, Pistolgrip, Pimpleback, Threeridge, and Washboard.