What is the required square footage per bedroom for a perc rate of 31-60 minutes per inch?

For a perc rate of 31-60 minutes per inch, the required square footage per bedroom is set at 400 square feet. This standard is established to ensure that the septic system has enough area to adequately treat and disperse wastewater for the expected number of occupants in the home. Essentially, the extended perc time indicates a slower absorption rate of water into the soil, necessitating a larger area to prevent saturation and potential failure of the system.

By allocating 400 square feet per bedroom, the design maintains an effective separation distance between the septic system and the groundwater, thereby reducing the risk of contamination. This requirement is crucial for maintaining both environmental health and system functionality, ensuring that the system can handle its load without compromising performance.

Opposing square footage amounts, such as 200, 300, or 500 square feet, do not align with the established guidelines for this particular perc rate, which could either overestimate or underestimate the land needed for proper septic system operation.