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Bloom Service! Six Native Plants that Steal the Spotlight

Did you know that April is designated as National Native Plant Month? Texas has over 5,000 native plant species, which can be found in incredibly diverse habitats throughout the state.

Celebrating Another Milestone Mussel Moment for the San Antonio River

On today’s blog, we’re celebrating a recent milestone in the Mission Reach Mussel Reintroduction Project: the successful reintroduction of all four target mussel species into the Mission Reach. These four

Stronger Together: Texas River Authorities collaborate for clean waters and healthy ecosystems

Hello blog readers! The San Antonio River Authority (River Authority) has long been dedicated to preserving and protecting the health of the San Antonio River and the entire 4,180 square

Partnership Highlight: United States Fish and Wildlife Service

In science, as in life, remarkable achievements are rarely reached alone. Over the past few months, the San Antonio River Authority (River Authority) has been proudly showcasing the success of

Native mussels return to the San Antonio River in first-in-Texas conservation effort

On Friday, May 17th, the San Antonio River Authority (River Authority) and U.S. Fish and Wildlife Service (USFWS) kicked off a first-of-its-kind conservation effort aimed at restoring the health and

Recent fish survey of San Antonio River’s Mission Reach shows positive trends

Aquatic biologists and Texas A&M University (TAMU) students capturing fish in the Mission Reach. Howdy, fellow San Antonio River enthusiasts! Join our aquatic biologists as we explore fish survey data

Which invasive species live in the San Antonio River?

The San Antonio River Authority Environmental Sciences Department takes pride in its daily environmental stewardship. One of the ways they ensure the environment remains at a healthy ecological balance is

River Authority mussel reintroduction project enters final stages

San Antonio River Authority (River Authority) environmental scientists have been working since 2017 to bring native freshwater mussels back to the upper reaches of the San Antonio River, beginning with

The Life of a Stormwater Sample: Part 3

In our last stormwater blog series issue, we touched on a few tests River Authority scientists run on stormwater samples brought into our laboratory. If you remember from our first

Using Data Management and Analysis for Improved River Health

Now that we have explored the work done by the watershed monitoring and laboratory teams of the Environmental Sciences Department (ESD), we want to share with you what becomes of

Alerts

Park Closure Notice: Trueheart Ranch

Unfortunately, Trueheart Ranch Nature Park (14984 Blue Wing Rd, San Antonio, TX 78221) is closed until further notice due to recent vandalism. We’re working to assess and repair the damage to ensure the park is safe and welcoming for everyone. Thank you for your understanding—updates will be shared as soon as we have them.

Graytown Park Parking Lot Construction Notice 

Construction Timeline: April – October 2025 (estimated)

Improvements are coming to Graytown Park! Parking lot construction will begin in April, and we appreciate your patience as we work to enhance the park for all visitors.

Temporary Closures & Impacts:

  • Upper parking area, pavilion, and restrooms will be CLOSED during construction. Temporary restroom facilities will be provided.
  • Park and river access will be CLOSED Monday–Friday from 8 AM – 5 PM (no access during these hours).

We encourage visitors to plan accordingly and check back for updates as the project progresses. Thank you for your support!

Stay Updated: Follow us on social media for the latest updates.

Trail Closure – San Pedro Creek Culture Park

* Trail temporarily closed from 5/1/2025 until 9/1/2025.

Due to adjacent construction work, the San Pedro Creek Trail on the west side of the creek will be closed from the access
point at W. Nueva Street to Dolorosa Street until further notice. Alternate route with ADA access is on the east side of the creekSan Pedro Creek Culture Park Trail Closure

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.

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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