Facebook X-twitter Instagram Youtube Linkedin
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 Weny

Sandy West, SHRM-SPC

Director, Human Resources

Shawna Arroyo

Director, Information Technology

Kristen Hansen

Deputy Director, Parks & Recreation

Brian S. Mast, JD

Deputy Director, Government Affairs

Department Managers

Naomi Oster

Naomi Oster

Manager, Facilities

Erin Cavazos

Erin Cavazos

Manager, Engineering

Nicole Marshall

Nicole Marshall

Manager, Public Affairs

Katie Overstreet

Katherine Overstreet

Manager, Utilities

Shaun Donovan

Manager, Environmental Science

Amy Zola

Manager, Project Management Office

Tommy Mitchell

Manager, Watershed & Park Operations

Alerts

Trail Closure Alert – Calder Alley, San Pedro Creek

August 5, 2025
As part of the South Laredo Project, the Calder Alley San Pedro Creek trail will be closed on: Friday, August 8 from 7 AM – 5 PM Please plan your visit accordingly and thank you for your patience as we work to improve your San Pedro Creek Culture Park experience.

Confluence Park

August 5, 2025
August 4–15 Confluence Park will be undergoing regular maintenance, including improved solutions for the permeable parking lot surface to better collect rainwater, and resealing the iconic pavilion petals. Please note: Parking lots will be closed during this time. (Including during Sunday Yoga @mobileom) We appreciate your patience as we care for this special place!

Graytown Park Parking Lot Construction Notice 

August 5, 2025
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

August 5, 2025
* 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

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

River Reach Newsletter and Blog Signup

River Reach is offered as a printed, physical mailing to your residence or business. The Blog is a weekly electronic email with news and updates in order to be more environmentally conscious. Please fill out the form below and indicate your preferred method of delivery.

By submitting this form, you are consenting to receive marketing materials from: San Antonio River Authority, 100 East Guenther St., San Antonio, TX, 78204, US. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.