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A soil test is performed to determine the size, location and type (conventional or mound) of wastewater treatment system that will be installed at your home. After viewing the property and discussing the homeowner’s needs, the soil tester typically digs three to five holes with a backhoe to view and handle the soils to determine the soil’s drainage capability, the average high groundwater mark and signs of bedrock.
The tester will look for and describe the layers of soil or horizons. The texture and structure of the soil is examined to determine how well the soil will drain. If the soil is impermeable you will create a pond of sewage in your yard. Loose soils do not allow adequate time for treatment to take place. He will also look for irregular orange, yellow and gray spots or mottles which are the result of chemical reactions in the soil as the seasonal water table rises and falls. The highest point at which mottling is observed is the estimated high groundwater level.
The bottom of your septic system must be at least three feet above your sites limiting factor. If this cannot be achieved with an inground system then a mound system is installed. A mound system artificially creates the proper soil conditions above ground.
These soil conditions, as well as features of your lot (such as slope and home placement) determine the type and location of your system. After analyzing the soils, the soil tester will prepare a Soil and Site Evaluation Report. This report includes a detailed description of the soils as well as a site plan.
The site plan is a drawing of the property showing the location of the borings, the residence or proposed residence and any other relevant feature such as the location of the well. The original copy of this report is submitted to the agency which regulates septic systems in the county in which the property is located. The information on this report is used by the septic system installer to design the system and to pull the necessary permits.
Associates Soil Testing Inc provides soil testing throughout Walworth, Waukesha, Racine and Jefferson Counties. Here are some of the cities we service regularly: Big Bend, Burlington, Delavan, Dousman. Eagle, East Troy, Elkhorn, Fort Atkinson, Hebron, Jefferson, Lake Geneva, Mukwonago, Muskego, New Berlin, North Prairie, Palmyra, Rochester, Wales, Walworth, Waterford, Waukesha, Whitewater, and Williams Bay.