A percolation test, also known as a perc test, determines the water absorption rate of soil. This test involves digging a hole, saturating it with water, and measuring how quickly the water level drops. This measurement is crucial for determining the suitability of a site for a septic system. For example, a slow percolation rate might indicate the need for a larger drain field or an alternative wastewater treatment solution.
Evaluating soil drainage is essential for responsible land development and wastewater management. Proper drainage ensures the effective treatment of wastewater, protecting groundwater and preventing environmental contamination. Historically, understanding soil properties has been vital for successful agriculture and settlement, and modern percolation tests represent a refinement of these time-honored practices. An accurate assessment prevents costly repairs or system failures down the line and helps ensure compliance with local environmental regulations.