A septic drain field should be 10 feet from the home or any body of water, and 10 feet from gardens and edible plants. Dig the trenches. Each drain-field trench should be at least 3 to 4 feet wide and 3 to 4 feet deep.There should be at least 100 feet of drain field for a 1,000-gallon septic tank. This can be accomplished by making four trenches 25 feet long or two trenches 50 feet long.uilding a septic drain field is time-consuming but pays off in the long run. Septic tanks last from 15 to 30 years. Unfortunately, drain fields, also known as leach fields, do not last that long. If placed in an area with good ground absorption, a drain field can last up to 10 years.
The fastest growing demographic on Twitter is the 55â64 year age bracket. 1  This demographic has grown 79% since 2012. 2  The 45â54 year age bracket is the fastest growing demographic on both Facebook and Google+. 3  For Facebook, this group has jumped 46 4 %. For Google+, 56 %.
Houston, which is the fastest growing major metropolitan area (over 1 million population) in the nation includes the two fastest growing large counties. Fort Bend County added 4.29 percent to its population between 2014 and 2015 and now has 716,000 residents. Montgomery County grew 3.57 percent to 538,000.