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San Marcos River: Characterizing the Spring Lake Watershed

A project to identify and quantify primary sources of nutrients and turbidity in Spring Lake.



Spring Lake, the headwaters of the San Marcos River, is fed by Sink Creek and 200 artesian springs, and is home to five endangered or threatened species. Increasing turbidity and blooms of algae after rainfall events have indicated growing nonpoint sources of nutrients and suspended solids.

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Project Description

The River Systems Institute at Texas State University collected data about storm flow, water quality, and land use in the Spring Lake watershed. This data was used to produce a Watershed Characterization Report with strategies for managing nutrients and sediment.

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For More Information

To find out more about the NPS Program, call 512-239-6682 or e-mail us at nps@tceq.texas.gov.

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