The Top 5 Blogs of 2021–2022

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The armored catfish pictured here is an invasive species in the San Antonio River Basin.

Last Updated on January 30, 2024

Reading Time: 3 minutes

Greetings San Antonio River Authority (River Authority) blog readers! Twice a week, we enjoy bringing you exciting information about the San Antonio River Watershed (also known as the San Antonio River Basin), the people and organisms that call it home, and the River Authority’s many ongoing projects and events. Did you miss our pick for the Top 5 blogs of the past year? Read below to learn more about our local, precious freshwater resources!

Don’t miss out! Subscribe to the blog and be the first to know about what’s happening at your San Antonio River!

 

#1 Don’t Dump Your Aquarium in the River

 

This popular blog was viewed over 1,700 times! Featuring two invasive species causing harm to the ecosystems of the San Antonio River Watershed, this blog shares what you can do to help prevent the spread of these species in our waterways.

#2 The San Antonio River Tunnel: Protecting Downtown San Antonio

The San Antonio River Tunnel

 

Did you know about the giant tunnel underneath downtown San Antonio? Read along to learn about the engineering marvel that is the San Antonio River Tunnel—how it works, where it is located, and how it has helped protect people and property from damaging floods for over twenty years.

#3 River Threats: Apple Snails

Cluster of Apple Snail eggs found along the San Antonio River.

 

What are apple snails, and why are they threatening the San Antonio River? In this blog, learn more about this invasive species and what the River Authority is doing to address its presence. Want to know what the snails are up to now? Read about the return of the apple snails.

#4 Flooding Flashback: The 100th Anniversary of the Big Flood of 1921

Damages from the September 9, 1921 flood in downtown San Antonio

 

The Big Flood of 1921 was a devastating natural disaster that occurred over 100 years ago in San Antonio. This blog discusses how the historical flood led to the creation of the River Authority and the advanced tools available to help you prepare and protect yourself and your property from flooding.

#5 Why did the River Authority remove trees from the Mission Reach?

Mission Reach prescribed burn clearing

 

Get the inside scoop on the historical context for projects like stem density removal on the Mission Reach of the San Antonio River Walk and learn how the River Authority balances the competing project priorities of flood protection, ecosystem restoration, and recreation along the San Antonio River.


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Related Articles

Alerts

Stay Weather‑Aware This Weekend

Stay Weather‑Aware This Weekend

Rain is expected across the region this weekend, which may result in high water on roads and temporary closures at low water crossings.

Before heading out, residents are encouraged to check SARiverFlood.org or their local county flood website for real‑time roadway conditions:

These sites provide up‑to‑date information from flood‑monitoring sensors across the region. Real‑time updates are available 24/7 to help you stay informed as conditions change.

Please use caution when traveling and plan routes accordingly.

Restroom Closure Notice – Camino Coahuilteca (Acequia Park Trail)

 

Restroom Closure Notice – Camino Coahuilteca (Acequia Park Trail)

The restrooms at Camino Coahuilteca along the Acequia Park Trail will be temporarily closed on Thursday, April 16 due to parking lot improvements in the area.

We encourage visitors to plan accordingly and utilize nearby facilities during this time.

We appreciate your patience as we complete this work to enhance the park experience.

 

Museum Reach – Oxbow Trail Closure Notice

The Oxbow Trail along the Museum Reach will be temporarily closed beginning Monday, April 13 through May 1 to accommodate project-related work in the area.

For public safety, access to this section of the trail will be restricted during this time. Visitors are encouraged to plan accordingly and use alternate routes.

Wayfinding signage and trail closure notices will be posted at designated locations to help guide trail users around the closure.

We appreciate your patience and understanding as we complete this work to help maintain safe and enjoyable trail conditions.

San Pedro Creek Culture Park

The east bank trail along San Pedro Creek will be temporarily closed between the upper trail at Cameron St. and the lower trail at two access points.

Closure details:

  • The first closure will impact the connector from the upper trail near West Houston St. to the south lower San Pedro Creek trail.
  • Once work at this location is complete and the trail reopens, construction will shift to the second closure area between the upper and lower trails on the opposite side of the green space.

Please follow posted signage and plan alternate routes. We appreciate your patience as this work is completed.

Closed areas around San Pedro Creek Culture Park

The Brackenridge Trail

Trail Lighting Notice – Brackenridge Park Trail

Due to an electrical issue, lighting is currently out along the north portion of the trail, from the Josephine Street inlet to just past Highway 281 within the Brackenridge Park Trail. Our team is actively working to correct the issue and expects repairs to be completed by the end of business tomorrow.

We apologize for any inconvenience this may cause and appreciate your patience as we work to restore lighting. Please use caution when traveling through this area, especially during evening hours.

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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