Made from high-quality, rotomolded polyethylene resins, our plastic septic tanks are not only cost-effective but also incredibly robust, designed to withstand underground pressures and resist corrosion.

Our underground septic tanks are a great alternative to underground concrete septic tanks because they last longer, easier to install, and substantially cut your overall underground septic tank costs. These underground poly septic tanks are …

1000g Yellow Legacy 2 Compartment Septic Tank • EASE OF INSTALLATION: For septic system replacement and new home construction, Norwesco‘s polyethylene septic tanks are designed for durability and quick, easy installation.

Norwesco is the world's largest manufacturer of molded poly tanks. Norwesco tanks and products are manufactured to strict quality guidelines to ensure years of high-performance use. Largest assortment from Septic tanks to Water storage tanks.

Plastic septic tanks rotomolded using polyethylene resins are a great option when you’re seeking a septic holding tank for home or commercial installation. Our rotational molding process produces better, stronger plastic tanks at a much lower cost.

Plastic septic tanks have characteristic resistance to fluctuating weather and temperatures, making them tolerant to environmental changes. These tanks are designated for waste water, sewage, and black water only.

Infiltrator’s plastic septic tanks are available in a full range of sizes and configurations to offer reliable, high-efficiency wastewater treatment with minimal site disruption, and the quickest installation in the septic tank system industry.

For septic system replacement and new home construction, Norwesco‘s polyethylene septic tanks are designed for durability and quick, easy installation. Any Norwesco septic tank can be transported to the job site in a pickup truck and carried by just two people.

Buy plastic septic tanks online at low prices. Save 10 to 40% on your next polyethylene septic tank. Browse over 100+ septic tanks for sale and in stock.

Poly septic tanks are made of high-density polyethylene (HDPE) and are a popular alternative to traditional concrete septic tanks. While they have gained popularity in recent years, many homeowners are still unsure if they are the right choice for their property.