A typical septic drain field (see Figure 1), also known as a leach field, is a series of perforated pipes that are set in trenches and buried with aggregates (Â½- to 2Â½-inch gravel or Â½- to 4-inch rubber chips) and soil.These drain lines are at a minimum depth of 6 inches and are typically 18 to 36 inches wide.The individual drain lines will usually be 8Â½ to 10 feet apart (see Figure 2). It is important to note here that each drain field system will vary from the next.hese drain lines are at a minimum depth of 6 inches and are typically 18 to 36 inches wide. The individual drain lines will usually be 8Â½ to 10 feet apart (see Figure 2). It is important to note here that each drain field system will vary from the next.
Conroe, Texas, a northern Houston suburb, was the fastest-growing of the 15, seeing a 7.8% increase from 2015 to 2016, a growth rate more than 11 times that of the nation.The rest of the top five fastest-growing large cities were Frisco, Texas, a northern Dallas suburb, with a 6.2% increase; McKinney, Texas, another northern Dallas suburb, saw a 5.9% increase; Greenville, S.C., ran up a 5.8% increase; and Georgetown, Texas, a northern Austin suburb, had a 5.5% increase.
Legal marijuana is the fastest-growing industry in the United States and if the trend toward legalization spreads to all 50 states, marijuana could become larger than the organic food industry, according to a new report obtained by The Huffington Post.