Gravity Filters


Tonka Water has a wide variety of gravity filter applications for surface, groundwater or tertiary filtration. Our tanks can be manufactured in round, square or rectangular configurations and can be made of coated carbon steel, stainless aluminum, concrete or stainless steel.

Tonka Water offers a wide variety of filter internals including Simul-Wash™ backwash system, Uni-Cast™ underdrain system, and a wide range of filter media. Tonka Water filter systems can also be incorporated with a variety of underdrain systems manufactured by Tonka Water or others.

  • Surface water
  • Groundwater
  • Tertiary / wastewater
  • Membrane pre-treatment
  • Simul-wash™ capable
  • Withstands high pressure differntial with the high Uni-cast™ II underdrain
  • Cost effective
  • Media retaining or support gravel system available
  • Design simplicity
  • Accessibility
  • Turbidity
  • Groundwater contaminants

Gravity Filters Reference Materials

Gravity Filters Project Profiles

Related Blog Articles



Membrane Systems

Gravity Filters


Conventional Filters

Pressure Filters

Ion Exchange

Packaged Treatment

Aerators and Strippers





To receive more information, please contact us with questions and inquiries.

You  can also contact us for a pilot study to assess your plant's water treatment needs and together we'll design a custom solution fit for you.