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Lower Nueces River Watershed: Feasibility Study for Septic System Conversion

A project to evaluate the feasibility, cost-effectiveness, and water quality benefits of replacing septic systems with centralized wastewater services in a portion of Corpus Christi, Texas.


In 2009, the Nueces River Authority (NRA) prepared a Source Water Protection plan for the City of Corpus Christi Adobe Acrobat PDF Document to address turbidity in its water supply. In 2011, concerned citizens formed the Lower Nueces River Watershed PartnershipExit the TCEQ and began working with the NRA to develop a watershed protection plan (WPP) for the river segment below Lake Corpus Christi. This segment is impaired Adobe Acrobat PDF Document for total dissolved solids. Although the segment is not impaired for bacteria, the Nueces River Authority’s 2013 Basin Summary Report Exit the TCEQAdobe Acrobat PDF Document identified an increasing trend in bacteria concentrations there. The EPA accepted the WPP in 2016.

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Project Description

With assistance from the Nueces River Authority, the City of Corpus Christi will evaluate the cost and feasibility as well as the water quality benefits of connecting approximately 30 homes in a low-lying area of the city to its municipal wastewater system. Alternative wastewater collection technology such as pressure sewers will be included in the analysis.

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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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