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When Rivers Rise Fast – Flood-Smart Living: Simple Steps to Protect your Home

We’ve reached the final chapter of our “When Rivers Rise Fast” blog series , a journey designed to help our community better understand and prepare for flash floods. Throughout this

When Rivers Rise Fast – Your Flood Toolkit: Resources to Stay informed and Prepared

We’re introducing a new blog series called “When Rivers Rise Fast” to support our community in preparing for and responding to flash floods. This series will provide valuable information, including

When Rivers Rise Fast- On the Front Lines: The River Authority’s Role in Flood Response

We’re introducing a new blog series called “When Rivers Rise Fast” to support our community in preparing for and responding to flash floods. This series will provide valuable information, including

When Rivers Rise Fast – Flash Floods Uncovered: How they happen and why they’re dangerous

We’re introducing a new blog series called “When Rivers Rise Fast” to support our community in preparing for and responding to flash floods. This series will provide valuable information, including

When Rivers Rise Fast: NextGen Flood Warning System: A Smarter, Safer Future

The San Antonio River Tunnel diverts floodwaters during a rain event. During flooding events, the tunnel can move up to 3 million gallons of water per minute! We’re introducing a

New Year, New Life for an Old Dam: River Authority launches restoration of Historic Otilla Dam

As we kick off a new year, it feels fitting to spotlight an exciting new project, albeit on an old structure built for irrigation purposes—the Otilla Dam. In 2015, the

Staying Safe on the San Antonio River: Bacteria and Amoebas

We’re back with Part 2 of Staying Safe on the San Antonio River. We explored kayaking safety tips in part one, and now it’s time to examine things from a

Staying Safe on the San Antonio River: Kayaking Safety

Adventure awaits along the San Antonio River! Whether you plan on kayaking, canoeing, or paddle boarding for an entire day or an hour, the San Antonio River Authority (River Authority)

Alerts

Mission Reach Area Maintenance

When: Beginning October 20, 2025 through Spring 2026
What: Crews will be performing stem-density removal and related vegetation maintenance along sections of the Mission Reach to help manage flood risk and protect surrounding infrastructure. Some trails or segments may be closed temporarily while work is underway.
Why: Removing excess stems that naturally establish along the river helps maintain stormwater conveyance, reduces flood risk, and protects public infrastructure while allowing grassland and native vegetation to recover and thrive.
What to expect:

  • Limited trail closures and intermittent work zones.
  • Crews and equipment working near the riverbanks during daytime hours.
  • Parking areas remain open, but visitors may see signage and temporary barriers.

Questions? Call the San Antonio River Authority at (210) 227-1373 or visit https://www.sariverauthority.org/services/river-health/ecosystems/.

Thank you for your patience while we keep the Mission Reach safe, clean, and enjoyable.

 

Stem Density work update 1.14.2026

Trail Closure Alert – Calder Alley, San Pedro Creek

Maintenance work will be done in Calder Alley starting Wednesday, September 18, 2025.

  • Trails will remain open during this work.
  • One bench at a time will be temporarily barricaded while improvements are completed.
  • There may be occasional contractor pickups in the area.

We appreciate your patience as we continue to maintain and improve San Pedro Creek for all to enjoy!

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. 

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.

Goliad Paddling Trail Alert

NOTICE: HWY 59 Landing Site Closed

Due to TxDOT construction on the HWY 59 Bridge, the HWY 59 landing site is closed until further notice. However, the Goliad Paddling Trail remains open, and paddlers can still access the river at the Riverdale, Ferry Street, and Goliad State Park landings.

Please plan accordingly and check back for updates.

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