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Building & Site Amenities
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Retaining Walls
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Sanitary & Stormwater
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Storm Shelters
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Transportation
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Utility Structures
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Water & Wastewater Treatment
Wastewater Treatment Plants
Lee’s Precast Residential Treatment Systems, powered by Cajun Aire, will process your household sewage into a clear odorless liquid within a 24-hour time frame. Lee’s Precast Residential Wastewater Treatment System was tested against the NSF Standard No. 40 and approved by the National Sanitation Foundation (NSF International).
- Available for residential, industry, and commercial
- Available in 500 GPD capacity and larger
- Easy for inspection and preventive maintenance
Lee’s Precast also provides service contracts for residential, industry, and commercial.
Wastewater Treatment Plants Product Catalog
One Unit
Three Units

600 GPD Treatment Plant Assembly

750 GPD Treatment Plant Assembly
Inlet is 15" from the left side, facing the inlet

Aerator/Settling Chamber

150 Gallon Chlorinator
Accessories
6" Concrete Riser
Item #2000100000
12" Concrete Riser
Item #2000120000
Concrete Riser Lid
Item #2000200000
Motor House
Item #2000300000
Concrete Motor Base
Item #2000500000
Concrete Distribution Box
Item #5600000000
Flow Equalizer
Item #5154353
Diffuser Bar (500GPD)
Item #5800000000
Diffuser Bar (600GPD)
Item #5860000000
Diffuser Bar (750GPD)
Item #5875000000
Diffuser Bar (1000GPD)
Item #5810000000