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about us

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Welcome to Gatco Treatment Systems (GTS).

GATCO has three locations across Texas.

  • Waller, TX

  • Victoria, TX

  • Paige, TX


GATCO was founded in 1995 to respond to widespread demand for aerobic septic systems in Southeast Texas. Over the last twenty years the company has grown to become a recognized leader in the wastewater industry.

GATCO is a proud distributor of the Pro Flo wastewater system. The Pro Flo aerobic septic system is capable of turning residential household sewage into a clear odorless liquid within 24 hours. The system is rated NSF Standard No. 40 approved to meet all criteria for a Class 1 system.

The Pro Flo offers an energy efficient quiet linear aerator, simplistic control panel (not computerized), and cast in place Tuf-Tite ® watertight risers and lids for exceptional strength and durability. The result is an easy to maintain aerobic septic system that offers excellent performance at a reasonable price and years of worry free and dependable operation.

The Pro Flo aerobic system is an all-in-one (500SLPT2 & 600SLPT) precast reinforced concrete tank. It is extremely durable and built to last. The components are easily accessible and have no internal moving parts or filters to clog.

GATCO offers several models to fit your needs along with a variety of sizes of septic tanks, pump tanks, grease traps, commercial and custom tanks, as well as lift stations.  If you are looking for a small commercial sewage treatment system, the Pro Flo is available in a 1500 gallon per day unit.

GATCO is proud to be part of an increasing effort to improve our environment and keep our waters clean and safe. Old style septic tanks and septic systems with drain fields can pollute our environment. So whether you have a failing system that needs replacing or you are looking for a quality aerobic septic system for new construction, start with GATCO and end with the BEST!

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