When we conduct a basic training workshop covering individual sewage treatment systems, we start with a discussion about the amount and characteristics of flow. This is done for two reasons. First, before a site evaluator, designer or installer can make decisions about the system to be installed, they must know the characteristics of the material they want to treat. Second, flow is something the homeowner or business owner can control — unlike the soil and site conditions, which are natural and do not change dramatically if left in their natural condition.
There has been a continuing effort on the part of
