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Lake Sam Rayburn and Attoyac Bayou: Septic System Inventory, Repair and Replacement

A project to improve water quality by identifying and addressing issues with septic systems in the area draining to Sam Rayburn Reservoir.

Background

Attoyac Bayou is a rural stream that flows into Sam Rayburn Reservoir with designated uses for primary contact recreation, public water supply and high aquatic life use. Attoyac Bayou has not met state water quality standards due to high bacteria levels since 2012.

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Project Description

Between Septmeber 2013 and May 2018, the Angelina-Neches River Authority (ANRA) developed a database of septic systems in the Control Zone Rayburn (CZR), the 2000-ft buffer zone around Sam Rayburn Reservoir. ANRA worked with county representatives to standardize local data on septic systems. ANRA, together with field reconnaissance and inspections, used the database to track and map all permitted systems in the area. ANRA offered assistance to homeowners to repair or replace septic systems in the Attoyac Bayou watershed.

A second NPS grant project, lead by the Texas Water Resources Institute (TWRI), is funding an extension of these tracking and assistance efforts with a focus on the Attoyac Bayou watershed.

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Documents

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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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