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Upcoming Fall 2024 Hazardous Waste Events Set for Southern Basin

It’s official; HHW Events have been scheduled for Fall 2024! In collaboration with local partners, the San Antonio River Authority (River Authority) holds six Household Hazardous Waste (HHW) Collection Events

Don’t let FIESTA trash your river!

It’s officially Spring in Texas! It’s time to celebrate the arrival of many things: Fiesta® San Antonio, celebrations throughout our San Antonio River Basin communities, and the appearance of the

South Texas Natives: Javelina

Few animals are misidentified as often as the Collared Peccary (Tayassu tajacu), more commonly known in Texas as the javelina. This 40-60 pound stocky even-toed mammal might look like a

Tips and tricks for fishing the San Antonio River’s Mission Reach

The San Antonio River Authority would love to see you out utilizing the river as a resource for fishing! Luckily, there are many places along the San Antonio River where

How to Build Your Own Residential Rain Garden

A rain garden can help beautify your yard and help protect the environment. Think of the garden as a shallow bowl, about 6 to 9 inches deep, that captures rainwater

River Authority Expert’s top tree picks for Homeowners

Most of us celebrate Arbor Day in April, but every day is Arbor Day for Peter Pierson, the Natural Resource Management Specialist for the River Authority. Due to the success

Quality is a Way of Life at the San Antonio River Authority

Previously on the blog, we’ve explored the work of our Environmental Sciences Department (ESD) professionals, including our aquatic biologists, data management team, watershed monitoring scientists and laboratory scientists. However, the

Summer lawn care tips for a healthier San Antonio River

The summer heat has settled in here in the San Antonio River Basin! This heat means that summer rains will have little impact on most lawns and plants. So how

San Antonio passes Austin in the 2023 City Nature Challenge

What is the City Nature Challenge? The iNaturalist City Nature Challenge (CNC) is a four-day annual global Bio-blitz organized by the Natural History Museum of Los Angeles County and the

Does “No Mow May” work for your South Texas yard?

Have you heard of “No Mow May”? This nature initiative was conceptualized for homeowners and land managers, especially in urban and highly developed areas, to increase ecosystem benefits with minimal

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 12.10.2025-12.19.2025

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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