EZ-Flow Drainfields

ez-flo1The EZ-Flow drainfield has been around for 10 years. A stone and pipe drainfield has a disadvantage. Stone carries a limestone dust. The stone is washed before conventional installation but it does not get rid of all the dust. Whatever dust is still on the stone is washed into the soil and clogs the soil. This reduces the life of a septic system. EZ-Flows were developed to counter this disadvantage.

The size of a EZ-Flow drainfield depends on the gallons/day produced by a residence/business and the loading rate of the soil. The combination of the two determines how many square feet the EZ-Flow drainfield must be. For example, a three bedroom home that has a soil test with a 0.5 loading rate needs a drainfield with 900 square feet. Each individual EZ-Flow carries 50 square feet. The example above needs 18 individual EZ-Flows. One disadvantage to EZ-Flows is they require more room than a stone and pipe drainfield.

First, trenches or cells are dug to install the conventional component. The bottom of each trench is dug level so the effluent is evenly distributed in the cell. Most of the time, the trenches are dug at the same elevation. However, some trenches are dug at different elevations because of a shallow limiting factor and a sloped contour. As the trench is dug, the EZ-Flows are assembled in the trench. Two observation wells are installed in each trench for monitoring purposes. Before the trenches are backfilled, they are inspected by the governing authority. Finally, the trench is backfilled.

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