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You are here: Home / Water Quality / Total Maximum Daily Load Program / Projects / Guadalupe River Above Canyon / Status and Activities: Implementing the TMDL for Guadalupe River above Canyon Lake

Status and Activities: Implementing the TMDL for Guadalupe River above Canyon Lake

What's going on and what's been done to reduce bacteria in the river segment and keep it safe for recreation.

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County: Kerr
Parameter: Bacteria
River Basin: Guadalupe
Segment: 1806

Guadalupe River at Splitrock RoadLouise Hays ParkGuadalupe River at G Street

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Status and Activities

The Guadalupe River Implementation Plan documents measures stakeholders are using to reduce bacteria loads. Their strategy includes the following actions:

Bird deterrent structure over the Guadalupe River
Bird deterrent net under a bridge over the Guadalupe River
  • Monitor and report bacteria concentrations in effluent from wastewater-treatment facilities.
  • Reduce feeding of birds and manage the waterfowl population at Louise Hays and Kerrville-Schreiner parks.
  • Modify the Highway 16 bridge to reduce wildlife nesting.
  • Repair, replace, and inspect sewage lines and septic systems.
  • Educate park users and install stations for proper disposal of pet waste.
  • Educate livestock owners about improving management practices.

Management measures were selected based on feasibility, costs, support, and timing.


Annual tracking  of implementation allows stakeholders to evaluate actions taken, identify actions that may not be working, and make changes as necessary.


The TCEQ and EPA are supporting a project to implement parts of the I-Plan. The grant supports installation of structures that discourage nesting birds under highway bridges, manage waterfowl along the river, develop a septic system guide for homeowners, and collect water samples in the river.

The Upper Guadalupe River Authority sponsors an annual river cleanup Exit Site to remove trash and raise awareness of the importance of keeping the river clean.

Progress Summaries
Education and Outreach
Educational Kiosk

This interactive kiosk, featuring the water education program Water Down the Drain, was installed in January 2013 at the Riverside Nature Center. The program guides users through several activities that teach how pollution can be washed into waterways, the effects of nonpoint source pollution, and what can be done to prevent it. This kiosk will be rotated among other public venues in the community.

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Contact Us

Please e-mail us at, and mention the Guadalupe River bacteria project in the subject line. Or call us at 512-239-6682.

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