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Business Details
31 Years
experience
Advanced Wastewater Solutions for Texas
Founded in 1995, Gatco Treatment Systems has established itself as a leading manufacturer and distributor of advanced wastewater solutions across Texas. Our expertise lies in producing durable, NSF-certified aerobic septic systems, grease traps, lift stations, and custom commercial tanks designed to meet diverse environmental and operational needs. With three strategically located facilities in Waller, Victoria, and Paige, we combine cutting-edge engineering with over 25 years of industry experience to deliver reliable, eco-friendly systems that transform wastewater into safe, odorless effluent within 24 hours.

Our commitment to quality is reflected in our patented Pro Flo system, featuring energy-efficient components and watertight construction that ensure long-term performance with minimal maintenance. As a company deeply invested in environmental stewardship, we actively promote sustainable practices by replacing outdated septic systems that threaten water quality. Our dedicated team of professionals and state-of-the-art delivery fleet enable us to serve residential and commercial clients with unmatched efficiency and technical expertise.
Services
Aerobic Septic Systems Grease Traps Septic Tanks Lift Stations Retaining Wall Blocks Pretreatment Tanks Custom Commercial Tanks Pump Stations
Details
  • Year established: 1995
Highlights and features
  • We offer 25+ years of specialized expertise in wastewater system manufacturing.
  • Our Pro Flo systems are NSF Standard No. 40 certified for Class 1 performance.
  • We maintain the industry's latest delivery fleet for efficient service across Texas.
  • Our retaining wall products combine structural integrity with environmental benefits.
  • We prioritize eco-friendly solutions that improve water quality and sustainability.
Associations and certifications
  • NSF International
Services
Aerobic Septic Systems
Our Pro Flo aerobic septic systems transform household sewage into clear, odorless liquid within 24 hours using NSF-certified technology. These durable concrete tanks feature energy-efficient aerators and watertight construction, ensuring reliable performance with minimal maintenance. Ideal for residential and small commercial applications, they provide environmentally responsible wastewater management solutions.
Grease Traps
We manufacture heavy-duty grease traps designed to prevent fats, oils, and grease from entering sewer systems. Available in multiple sizes up to 2500 gallons, these precast concrete solutions meet commercial requirements while ensuring compliance with environmental regulations. Their durable construction guarantees long-term performance in high-volume food service operations.
Lift Stations
Our custom-engineered lift stations efficiently move wastewater from lower to higher elevations using durable precast concrete structures. Designed for both residential and commercial applications, these systems feature corrosion-resistant components and easy access for maintenance. Available in various configurations to accommodate different flow rates and site conditions.
Retaining Wall Blocks
The Big Block line of retaining wall products provides structural support while preventing soil erosion. These interlocking concrete blocks create durable, aesthetically pleasing walls for commercial developments and infrastructure projects. Their modular design allows for rapid installation while maintaining exceptional load-bearing capacity and environmental compatibility.
Custom Commercial Tanks
We produce heavy-wall concrete tanks tailored to specific commercial and industrial requirements. Available in various configurations including multi-compartment designs, these tanks offer secure storage solutions for wastewater treatment facilities. Their reinforced construction ensures longevity in demanding environments while meeting strict regulatory standards for environmental protection.
Questions
What makes Pro Flo aerobic systems different from traditional septic tanks?
Pro Flo systems use advanced aeration technology to treat wastewater 24/7, producing cleaner effluent that meets NSF Class 1 standards while requiring less frequent maintenance.
Do you offer solutions for commercial wastewater management?
Yes, we provide grease traps up to 2500 gallons, heavy-wall tanks, and customized systems for commercial applications including restaurants, industrial facilities, and municipal projects.
Are your products environmentally friendly?
Our systems improve water quality by treating wastewater more effectively than conventional septic systems, and our manufacturing processes prioritize sustainable materials and methods.
What areas do you serve?
We operate from three Texas locations in Waller, Victoria, and Paige, serving residential and commercial clients across the state with delivery and installation services.
How do your retaining wall blocks benefit construction projects?
Big Block products provide structural stability while allowing for natural water drainage, reducing erosion risks and maintenance costs in commercial and infrastructure developments.
Can your systems handle high-volume wastewater needs?
Our 1500-2500 gallon per day units and custom configurations accommodate large residential properties, commercial facilities, and industrial applications with reliable, scalable solutions.