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Upper San Marcos River Watershed Plan: Beginning Implementation

This project provides broad support for the first stage of implementing this watershed plan including adding a watershed coordinator, installing several demonstration NPS practices, conducting public outreach, reviewing local ordinances affecting water quality, and reviewing monitoring data for water quality trends.


The Upper San Marcos River extends from Spring Lake to its confluence with the Blanco River. The Texas Integrated Report of Surface Water Quality listed it in 2010 as impaired (not meeting Water Quality Standards) due to high total dissolved solids levels. In 2012, stakeholders formed the San Marcos Watershed Initiative to develop a watershed protection plan addressing several water quality concerns.

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Project Description

This project supports a broad range of activities implementing the WPP, including:

  • Adding a watershed coordinator
  • Demonstrating several NPS practices including low impact development and riparian restoration
  • Holding quarterly watershed stakeholder meetings
  • Conducting outreach including community workshops and watershed tours
  • Reviewing monitoring data for changes in water quality

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For More Information

To find out more about the NPS Program, call 512-239-6682 or e-mail us at

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