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Great Lakes Hydrology Systems

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A natural & sustainable drainage solution

Using the patented technology of GEPS, Ground Energy Passive System, we provide equilibrium and restore the natural hydrology to your site the way mother nature intended it to be.

Using state-of-the-art hydraulic rigs we vertically drill in a non-invasive manner to your property based on a pattern developed by engineers using hydrology maps specific to your site.

The work performed is done in a sustainable manner and you will have no further maintenance or work needed for the functionality of the system, which reaches peak performance after 5 years and then continues to provide returns and results for life.

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How does it work? 

hydrology

  • GEPS® is a system of multiple
     units that passively balance moisture within the soil.
  • GEPS® is installed 2ft below the surface.
  • GEPS® is not drainage but solves the same problems drainage systems try to solve through natural/sustainable methods.
  • GEPS® is not hindered by obstacles
     like clay pans due to it working volumetrically instead of just vertically.
  • In soils with low permeability (like clay), GEPS® promotes lateral moisture distribution between soil layers, overcoming vertical movement limitations.
  • GEPS® needs zero maintenance!
  • Material: Environmentally neutral polyethylene (MDPE)
  • Exelterra Boosters (BSTR) are just below the grounds surface in areas where the superficial soil is heavily compacted

Calculating Performance

  • GEPS® units achieve a recorded infiltration rate of 190 gal/hr./unit.
  • For GEPS® installations, this rate is adjusted to 50 gal/hr./unit, applying a safety factor of 3.8
  • This safety factor is applied for potential external factors that may influence the product's behavior, such as climate, environmental conditions, soil composition, and proximity to developed land.

Contact Great Lakes to setup a consultation, or for more information.

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Contact Details

Great Lakes LandscapE Design

[email protected]

(248) 543-6320



13201 Northend Ave
Oak Park MI 48237