The size of the drain field is determined by how well the ground absorbs water. In places where the ground is hard clay that absorbs water very slowly, the drain field has to be much bigger. A septic system is normally powered by nothing but gravity.he size of the drain field is determined by how well the ground absorbs water. In places where the ground is hard clay that absorbs water very slowly, the drain field has to be much bigger. A septic system is normally powered by nothing but gravity.
Filed Under: Tech & Science, mental health. Every year, about 42.5 million American adults (or 18.2 percent of the total adult population in the United States) suffers from some mental illness, enduring conditions such as depression, bipolar disorder or schizophrenia, statistics released Friday reveal.
Of the 46 million Americans with a mental health problem, only 38 percent end up getting treatment. Among those who don't, 7 percent don't want anyone to find out they have a problem, 17 percent don't know where to go, and 50 percent just plum can't afford it.onsidering that 1 in 4 Americans has a diagnosable mental disorder, that's roughly the equivalent of a single NFL referee explaining the last call to each person in the stands individually. But that's just the numbers-icing on the can't-get-treatment cake.