For systems with more than how many linear feet of field line are single siphons recommended?

Single siphons are recommended for septic systems with more than 500 linear feet of field line due to their ability to efficiently manage the distribution of effluent across extensive leaching fields. When the field line exceeds this distance, the use of single siphons helps to ensure that the effluent is evenly distributed throughout the entire length of the field, preventing localized over-saturation and promoting effective treatment and absorption of wastewater. This is particularly important in larger systems to maintain optimal performance and longevity of the septic system.

By utilizing single siphons, the risk of premature clogging in any one location is reduced, contributing to the overall health and operational efficiency of the septic system. Proper distribution is critical for realizing the full potential of the leach field's absorption capacity, especially in extensive installations where variation in soils and field conditions might otherwise lead to uneven treatment and disposal of effluent. Hence, the threshold of 500 linear feet serves as a guideline for the installation of single siphons in such systems.