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The Medina River at County Road 484 is one of the many sites where River Authority aquatic biologists collect habitat data (SARA Site 14200 on the below map). Welcome to

Aquatic biologists Austin Davis and Angelica Rapacz hold Largemouth bass. After months of digging through data, the aquatic biologists at the San Antonio River Authority (River Authority) have made some

Old medicine bottles, paint cans, and cleaning products taking up space in your cabinets? We’ve got the solution! The San Antonio River Authority (River Authority), in collaboration with local partners,

A yellow bullhead catfish! One of the many species found in the 2021 Mission Reach Intensive Nekton Survey (MRINS). After six long days trudging through thick riparian vegetation and wading

Aquatic Biologist Zoe Nichols holds two Largemouth Bass during a fish survey. Welcome to the River Authority’s Basin Report Card series! In 2020, the San Antonio River Authority (River Authority)

Welcome to the River Authority’s Basin Report Card series! In 2020, the San Antonio River Authority (River Authority) developed the San Antonio River Basin Report Card from the drive to

Plecostomus (Hypostomus Plecostomus) An ecosystem is an interconnected community of living things, such as plants, animals, and microbes, and the nonliving environment such as air, climate, water, and minerals that

In 1937, the State of Texas created the San Antonio River Authority (River Authority), empowering the agency to preserve, protect, and manage the resources and the ecology of the San

The San Antonio River Basin is made up of a complex arrangement of creeks and rivers and their corresponding watersheds. The San Antonio River Authority (River Authority) developed the San

It’s that time of year again! The San Antonio River Authority (River Authority) is gearing up to host the fall Household Hazardous Waste Collection Events in Wilson, Karnes, and Goliad

Alerts

San Antonio River Walk Draining

Beginning Monday, January 13 through Friday, January 17, a small section of the San Antonio River will be drained as part of the River Walk Maintenance Program. The work will not affect the River Walk loop and Go Rio boat service will continue to operate in the river loop area. For more information, please refer to the City of San Antonio’s website.

Stem Density Efforts

Please be advised that trails near the Confluence Park and Conception Park area will be temporarily closed due to ongoing Stem Density efforts. We appreciate your cooperation and ask that you remain mindful of workers and closures when in the vicinity. Thank you for your patience as we work to improve our natural spaces!

 Stem Density efforts in the Eagle Land segment will be extended through the end of February 2025.

Trail Closure Alert – Roosevelt Park

The trail on the east bank of the river, from north of Steve’s Avenue to Roosevelt Park, will close today, January 6, and reopen on Thursday afternoon, January 9.

Next week, the trail will be closed again from January 13 to January 17 as work resumes in the area.

This closure is in conjunction with our STEM Density work. Thank you for your understanding as we enhance our trails!

SASPAMCO Paddling Trail Temporarily Closed

Staff have removed two large log jams just downstream of Helton Nature Park, keeping the southern portion of the SASPAMCO Paddling Trail temporarily closed. Staff are working to contact adjacent landowners to support a land-based removal solution.

SASPAMCO Paddling Trail

The SASPAMCO paddling trail is open from River Crossing Park to Helton Nature Park.
*Please Note: Paddling Trail from Helton Nature Park to HWY 97 is still closed due to blockages. 

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