Malibu - Septic, Inc. provides soil percolation testing services to property owners, engineers, land developers, and real estate professionals. In addition to perc testing, we also provide all the necessary testing to design and permit an onsite wastewater treatment system.

Exploratory Soils Testing Services:

• Soils percolation test pit excavation and soil evaluations for septic system design
• Historic high ground-water level determination
• Soils lab testing
• Onsite Wastewater Treatment System Permit Consulting

Soil Percolation Testing

A percolation 'perc' test is performed to establish the development viability of a property in regards to it's ability to have a onsite wastewater treatment system installed which will properly treat wastewater before it reenters the water table. Percolation testing may consists of subsurface exploration, field testing, surface reconnaissance, and soils analysis to determine the percolation rate of a particular site. Tests typically consists of either drilled test holes or excavated test pits which are tested to determine whether they can function hydraulically and provide service as a dispersal field. The holes are presoaked with water to fully saturate the soil. After the hole is allowed time to soak, the hole is then filled to a measured height. The height of the water is measured at specified time intervals over a specified time period. The test results are then used to properly size an onsite wastewater treatment system. The slower the percolation rate the larger the drain field will need to be. Additionally, the more bedrooms that are proposed, the larger the required system will be.

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