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San Antonio River Authority

Leadership

Executive Directors

Derek Boese

Derek Boese, JD, PMP

General Manager

Rick Trefzer

Rick Trefzer

Deputy General Manager

Steven Metzler

Steve Metzler

Director, Water Resources

Luis Garcia

Luis Garcia

General Counsel

Sandy West

Sandy West, SHRM-SPC

Director, Human Resources

Shawna Arroyo

Director, Information Technology

Kristen Hansen

Kristen Hansen

Director, Parks & Recreation

Brian Mast

Brian S. Mast, JD

Director, Government Affairs

Department Managers

Erin Cavazos

Erin Cavazos

Manager, Engineering

Shaun Donovan

Manager, Environmental Science

Naomi Oster

Naomi Oster

Manager, Facilities

Paul Garza

Paul Garza

Controller

Nicole Marshall

Nicole Marshall

Manager, Public Affairs

Amy Zola

Manager, Project Management Office

Katie Overstreet

Katherine Overstreet

Manager, Utilities

Tommy Mitchell

Tommy Mitchell

Manager, Watershed & Park Operations

Executive Office

Kendall Hayes

Kendall Hayes

Chief of Staff

Alerts

Park Closure: Safety Notice

June 5, 2026
Safety Notice: The Lower River Access areas at Helton Nature Park and Graytown Park have been closed due to rising waters and potential flood risk.

Stay Weather‑Aware

June 1, 2026
Rain is in the forecast for our are starting Tuesday, June 2 until later this week. Heavy rains in short time spans 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.

San Pedro Creek Culture Park

February 26, 2026
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

Trail Closure Alert – Calder Alley, San Pedro Creek

September 12, 2025
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

June 30, 2025
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

June 30, 2025
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

June 30, 2025
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.
Current Conditions

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