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.
Clean out the French drain using the pressure cleaner. If you suspect a clog, be very careful to stand to the side when you fire the water down the drain. Try to angle the stream of water to hit first the bottom of the length of the drain, then the sides.tep 3. Use the garden hose to send a steady stream of water down the French drain. Do not start out with the pressure cleaner because if the drain has a major clog, you will just end up with lots of water firing back in your face.