Plastic Septic Tanks in Shawnee, OK

The Norwesco Manhole Extension is a black polyethylene riser measuring 20 inches in diameter by 15 inches high and weighing 13 pounds empty. It raises the height of a tank's existing manhole access...

The Norwesco 15 Inch Manhole Extension is a black polyethylene riser that raises the height of a tank manhole opening. It stacks onto the manhole collar so the lid sits higher, useful when the access...

The 24 Inch Manhole Extension is a Norwesco polyethylene riser that raises an existing 24-inch tank manhole opening, giving you added standoff height above the tank top. It measures 24 inches across...

The Norwesco 200 gallon plastic septic pump tank is a 56-inch-tall polyethylene basin built to house a submersible effluent or sewage pump and dose your drainfield on demand. At 47 by 47 inches...

The Norwesco 200 Gallon Low Profile Septic Holding Tank is a black polyethylene tank built for job-site sanitation and temporary holding where overhead clearance is tight. At 20 inches tall on a 48 x...

The Norwesco 300 Gallon Septic Pump Tank (SKU N-41319) is a black, polyethylene basin built for the dose-and-discharge stage of a septic system, where effluent collects until a pump lifts it to a...

The Norwesco 500 Gallon Plastic Septic Pump Tank is a black polyethylene chamber built to hold and discharge effluent in a pumped septic system - the dosing or pump chamber that lifts wastewater to a...

The Norwesco 500 Gallon One Compartment Septic Tank is a low-profile polyethylene tank built for shallow burial and tight access, where a taller tank simply will not fit. At 42 inches tall on a 48 by...

The Norwesco 300 Gallon Deep Bury Septic Pump Tank is a polyethylene tank built for below-grade septic and pump-chamber service where a compact, deep-burial footprint matters. It holds 300 gallons in...

The Norwesco 750 Gallon One Compartment Septic Tank is an IAPMO-certified, low-profile polyethylene tank built for residential and light-commercial septic installs where burial depth and headroom are...

The Norwesco 1000-gallon one-compartment septic tank pairs IAPMO certification with a low-profile body built for shallow burial and tight excavation depth. The tank holds 1,000 gallons in a single...

The Norwesco 1000 Gallon One Compartment Septic Tank is an IAPMO-certified, single-chamber polyethylene tank for septic systems. It holds 1,000 gallons in one compartment, measures 102 inches long by...