Upcoming Events:

Save the Date for the San Marcos River Cleanup on March 1, 2025

and the 2025 Trash Bash on March 29, 2025!

The River Cycle

Under Construction.

This page will contain information and media concerning the “big picture” on the entire cycle of rivers to estuaries.

Education graphics on the water cycle, from rainfall, to overland flow, subsurface flow, springs, collection into surface (creeks, rivers) and subsurface flows, the journey down these watercourses to the ocean.

This would also include pollutants, as well as the nitrogen and phosphorous detriments to the rivers, bays, estuaries, and the subsequent higher food chain animals that rely upon this (such as whooping cranes, shore birds, etc. Whooping Crane photos, everyone likes them, but may not know how lack of shellfish impacts their life and migration cycle.

Campground Cleanup needed

Hidalgo Falls has had several storms this year and has a lot of downed branches. We could use some help clearing these, as well as some weed-eating and restrooms cleansed

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