Census information for Amherst (Buffalo County, State of Nebraska). Contains: population counts from the 2010 Census and estimated counts up to 2016, Population Rings and much more.
Please try again later. This is the end point of a 70ft french drain constructed with 6in Multi-Flow product encased in coarse sand. The water is flowing into a 4inch PVC pipe via a tee connection. There is already some flow in the 4inch PVC from the upstream downspout lines that run under the french drain line. 1  Film & Animation.
Pre-assembled French drain options (such as EZ-Drain) can save time and effort in installation. 1  Dig out a ditch where your French drain will go. 2  Line the ditch on all sides with landscape fabric to prevent soil erosion. 3  Place a layer of gravel at the bottom of the ditch.