My River POV: Shaun Donovan

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Jogger on the San Antonio River Walk Mission Reach

Last Updated on January 30, 2024

The “My River POV” series provides readers the opportunity to learn about the unique insight and experiences of the San Antonio River Authority (River Authority) staff and their personal connection to the San Antonio River in hopes of inspiring stewardship of our creeks and rivers.

 Shaun Donovan, Environmental Sciences Manager

Growing up on the far west side of San Antonio, I never had a connection to the San Antonio River. My only exposure was taking out-of-town family to the San Antonio River Walk Downtown Reach for a boat tour or going to the Alamo and passing by the river on school field trips. My passion and love for the river and its tributaries started when I became an Aquatic Biologist at the River Authority. In my more than eight years with the River Authority, I’ve had the pleasure of paddling nearly the entire 240-mile San Antonio River and getting to see and learn about all the natural beauty this incredible watershed has to offer. Nature-based parks and paddling trails throughout the San Antonio River Basin provide opportunities for people to enjoy these treasured natural resources. My favorite park is the San Antonio River Walk Mission Reach. As residents of Southtown, my wife and I walk our dog there daily and it’s a great place to go for a long run. But the most interesting stories on the Mission Reach can be found underwater.

River Authority's Environmental Sciences Department Manager Shaun Donovan holds an Alligator Gar on the San Antonio River

Holding a Spotted Gar on the San Antonio River.

The Mission Reach Ecosystem Restoration and Recreation Project, completed in 2013, has provided the River Authority with numerous opportunities for proactive ecological restoration. The first initiative undertaken to restore a native population was the reintroduction of Guadalupe Bass. This endemic species, meaning it only exists right here in Texas, has now spread all the way down to Goliad State Park! Beginning late this year, River Authority staff will begin the reintroduction of four freshwater mussel species into the Mission Reach. The San Antonio River will be the first waterbody in the state to have an assemblage of mussels reintroduced. These organisms are ecologically and culturally relevant and were a food source for indigenous peoples. By reintroducing this filter feeding Liver of the River, we will help bolster the ecological foundation of this stretch.

In addition to proactive ecological restoration, the Environmental Sciences Department (ESD) conducts numerous other activities to help keep the creeks and rivers throughout the basin safe, clean, and enjoyable. Our watershed monitoring staff collects routine and stormwater samples, conducts fish, aquatic insect, freshwater mussel, and habitat surveys, and spearheads the monitoring and removal of invasive species such as apple snails and zebra mussels. The staff in the ESD Regional Environmental Laboratory analyze water samples for myriad pollutants including bacteria, metals, nitrogen, and phosphorus. Quality assurance staff ensures that the data produced is of the highest quality and the data management and analysis team digests all the information produced and allows River Authority management to make science-based decisions.  

River Authority Environmental Sciences field staff conducting a fish survey.

River Authority Environmental Sciences field staff conducting a fish survey.

While these activities are not always the most visible, we hope the passion and pride our dedicated scientists and environmental professionals have in the river inspires others to get out and experience the San Antonio River and its creeks and tributaries. These shared resources are precious commodities that need help from every individual to ensure they are there to be enjoyed for generations to come. By working together to Be River Proud, we can ensure that San Antonio always maintains its special sense of place to those of us lucky enough to call it home.

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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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