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.
French Drains: When You Need Them. If you have a flat yard, you may need a deep French drain. If you have a soggy yard or a wet basement, then a French drain is your cure. Hereâs how they work, when to use them, the different types and cost. Water always flows downhill, and by the easiest route possible.