March 2, 2024 @ 8:00 am – 6:00 pm
San Marcos River Cleanup 2024 (not to be confused with the City of San Marcos’ city-wide cleanup on the same day). Their event consists mostly of people cleaning up the parks and watershed (creeks, ditches and so forth on foot). They call their event the Great Texas River Clean Up. They have an adopt-a-spot page for folks to adopt an area in San Marcos: http://www.sanmarcostx.gov/3357/Adopt-a-Spot
2024 Detailed Information on the San Marcos River Cleanup