Truck Wash Water Recycle System at Maintenance Facilities

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Truck Wash Water Recycle System Conserves Water at Municipal Public Works and Highway Vehicle Wash Operations

Wash Water Recycle System

CARBTROL offers a complete line of truck wash water treatment and recycle systems using EPA-recommended activated carbon adsorption / oxidation technology to contain and treat waste waters generated from vehicle washing operations in Public Works Departments and Highway Garages. These systems are custom-designed for auto, truck, bus, train, construction and highway maintenance vehicles.

CARBTROL has utilized its 30+ years of experience in the treatment and remediation of contaminated groundwater and hazardous waste sites to develop a state-of-the-art treatment and recycle system. Users at highway maintenance and municipal public works garage vehicle washing operations meet and exceed their environmental water conservation goals.


  • Activated Carbon technology
  • Handles large or small volumes of water
  • Washes with single or multiple bays
  • Automatic operation – no operator required


  • Reliable operations – water is always available for washing
  • Prevents the discharge of oils, dirt, grime, trace fuels and other contaminants to sewers
  • Removes nuisance odors
  • Low maintenance – operates for extended periods of time without need for maintenance

High Capacity Treatment System

The CARBTROL system can provide 10-150 GPM of recycled wash water on a continuous basis. Many competitive treatment systems are limited to a flow capacity of 10 gallons per minute (GPM) and 1,000 to 2,000 gallons per day (GPD). The CARBTROL system has no difficulty in handling wash water from a heavy equipment washday. If a hose is left on or rainwater enters the washing area, the system handles these fluctuations easily.

US EPA-Recommended Technology

The US EPA has published a listing of recommended treatment technologies for removing oil and grease, hydrocarbons and soluble organics from wastewater, which include activated carbon adsorption, chemical precipitation and oxidation. CARBTROL incorporates all of these technologies utilizing ultra high capacity granular activated carbons, which are designed to support locations requiring zero discharge of pollutants.

Resistant to Upset Conditions

CARBTROL’s Truck Wash Water Recycle System handles changes in waste characteristics and flows, such as variations in temperature and pH, and temporary system shutdowns. Other treatment technologies may be subject to process upsets under these conditions, or may experience foaming problems from soaps, and detergents. These do not affect CARBTROL’s system.

Very Low Maintenance

Carbtrol’s Truck Wash Water Recycle System operates for extended periods without requiring any operator attention. The system is designed to allow easy inspection and repairs, if necessary. Typically, maintenance only requires one or two hours per week.

Read about CARBTROL’s Truck Wash Water Recycle Systems installed and planned at multiple locations along the NJ Turnpike:

Here's How Truck Wash Water Recycle System Works

Wash Water Recycle System

Primary Collection Pump for Agitation of Dirty Water

At water high level, the pump engages and the water is vigorously agitated to ensure that loose waste, dirt, or grass are separated and do not accumulate in the sump.

Wash Water Recycle System

Combined Clarifier/Water Storage Tank For Silt, Fine Sand and Free Oil Removal

Screened wash water is pumped from the transfer sump to the clarifier, where additional solids are removed by gravity separation. The clarifier additionally serves as a water storage tank, prior to final treatment and reuse.

Wash Water Recycle System

Treatment Skid For Filtration – Clear Water Is Available on Demand

Clarified wash water is pumped to the treatment skid, which includes activated carbon adsorption and oxidation as a final polishing step,producing a quality water ready for reuse.

Schematic of a Typical Truck Wash Water Recycle System

Centrifugal Self Priming Process Transfer Pump – 2 HP with Inlet Strainers and Foot Valves
Primary Sump Level Controls
High-volume Activated Carbon Filter with Manual Backwash
Water Storage / Equalization Tank with Level Management
High volume Ozonation System with ½ HP Recirculation Pump
2 HP Recycle Water Booster Pump
Interconnecting Above Ground Piping and Valving
NEMA 4 Control Panel, including HOA Switches, Alarms, & Starters
Factory assembled- skid mounted- piping, filter and control components
Installation, start up and training of operating personnel
Technical support as required
Detailed Operating and Service Manufacturing

All Ready for Installation

Systems are shop manufactured as modular components and shipped complete with all above ground equipment, ready for easy installation. Once installed, minimum maintenance is required. Activated carbon is simply replaced annually.


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