Commercial Extended Aeration Wastewater Treatment Systems
Gainey’s Concrete offers advanced commercial extended aeration wastewater treatment systems designed to provide effective and scalable solutions for communities and large-scale developments. Our state-of-the-art treatment plants serve housing developments of various sizes, supporting capacities from as few as 5 homes to expansive communities of up to 850 homes or 1,000,000 gallons per day (GPD). Manufactured at our Louisiana facility and shipped across the southeastern U.S., our systems are engineered to meet rigorous standards, including TDEC, LDH, LDEQ, and the “Ten States Standards” requirements. Our precast treatment systems can also be installed in stages, making them ideal for phased projects.


Product Features
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Scalable Capacity: Serves developments ranging from 5 to 850 homes with a flow capacity of up to 350,000 GPD using our modular tanks and up to 1M GPD using our custom large-capacity tanks.
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Compliance and Standards: Engineered to meet TDEC, LDH, LDEQ, and Ten States Standards, ensuring compliance across multiple states.
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Customizable Installation: Designed for phased installation, allowing for efficient adaptation to project requirements and growth over time.
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Licensed Installation: Our licensed and insured contracting team provides installation services in Louisiana, adhering to OSHA safety regulations for excavation.
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We provide WWTP installation consulting services to out-of-state contractors who partner with us.
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