Tributaries (2026)

Volunteer Registration for the Annual Basura Bash

Choose A Tributary

Registration will open on January 1st, 2026!

ATTENTION VOLUNTEERS!
Here’s what you need to know to help pitch in with the Basura Bash Annual Waterways Cleanup Event.

WHAT:
Volunteers will collect trash from the banks of San Antonio area waterways listed below.

WHEN:
Registation/Check-in: 8:30 AM – 9:00 AM (Some Tributary Captains may offer breakfast at 8:00 am – check Tributary page for info)
Waterways Cleanup:  9:00 AM – 12:00 PM

WHERE:
Various parks and other areas along the waterways as indicated below.

IMPORTANT:
All volunteers must complete a liability form to participate in Basura Bash.
Please review our liability waiver and be prepared to sign it on site the day of Basura Bash.
Click Here to download the Liability Form

Click the tributary names below to view information about that tributary and register as a volunteer.

Alazan Creek – COSA District 1 (Lombrano St)

Volunteer Spots Remaining: 8

Brackenridge Park – Brackenridge Conservancy

Volunteer Spots Remaining: 0

Cibolo Creek – City of Schertz

Volunteer Spots Remaining: 0

Comanche Park – Bexar County

Volunteer Spots Remaining: 19

Culebra Creek – StandardAero & COSA District 6

Volunteer Spots Remaining: 80

Indian Creek – COSA District 4

Volunteer Spots Remaining: 90

Leon Creek at OP Schnabel – STORM

Volunteer Spots Remaining: 21

Leon Creek at Rodriguez Park – Bexar County

Volunteer Spots Remaining: 54

Martinez Creek Trailway

Volunteer Spots Remaining: 56

Maverick Creek – UTSA – COSA District 8

Volunteer Spots Remaining: 0

Olmos Creek – Rotary Club SA

Volunteer Spots Remaining: 30

Olmos Basin – SAWS

Volunteer Spots Remaining: 6

Rock Creek – COSA District 1

Volunteer Spots Remaining: 31

Salado Creek – JBSA Fort Sam Houston

Volunteer Spots Remaining: 463

Salado Creek at Wilshire Terrace

Volunteer Spots Remaining: 65

San Antonio River at Headwaters

Volunteer Spots Remaining: 0

San Antonio River – SARA

Volunteer Spots Remaining: See the tributary page to register

San Antonio River at River Road

Volunteer Spots Remaining: 1

Woodlawn Lake – COSA District 7

Volunteer Spots Remaining: 51

Zarzamora Creek – Leon Valley – HEB

Volunteer Spots Remaining: 53