How to Build a PVC Pipe Irrigation System

PVC pipe is a highly versatile material that can be used to create an inexpensive irrigation system. PVC pipe can be used to make an in-ground irrigation system rather than a sprinkler type system. The size of the irrigation system can be very large, provided there is enough water pressure to support it. A PVC pipe irrigation system is perfect for a large home garden.

Shovels
PVC pipe
PVC pipe joints
Silicon caulk
Drill
Hose connector

Instructions

- 1
  Dig trenches about 6 inches deep between the rows of crops.
- 2
  Lay PVC pipe down in the trenches. Use a two-way joint to connect sections of pipe. Put a cap or plug at the far end of the PVC pipe. This will prevent flooding and water pressure from being lost.
- 3
  Connect a three-way joint to the other end of the pipe. Connect an elbow joint at the farthest crop PVC line and connect a PVC pipe into the other end of the elbow joint, creating an "L" shape. The pipe should only be long enough to reach the next end of a PVC crop line pipe.
- 4
  Connect a three-way pipe splitter to the next end of PVC pipe coming from the crop line. Connect another PVC pipe section leading to the next crop line.
- 5
  Repeat Step 4 for each crop line until all are connected.
- 6
  Run the PVC pipe to a water source, such as a hose.
- 7
  Seal off every joint in the PVC pipe with silicon caulk. This will solidify the connection and make it waterproof.
- 8
  Drill a 1/8-inch hole every 2 feet on top of the PVC pipe that runs between the crops.
- 9
  Use a PVC-to-hose connector attachment to connect the PVC pipe to a garden hose.
- 10
  Turn on the hose. Wait for the pressure to build. Watch at the watch exits the holes and waters the crops. If the pressure is high or not enough water comes out, widen the the holes in the pipe with the drill.

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