1. A Water Level Recorder For Less Than 5 dollar

2. Requirements  Six inch long, 1 inch diameter galvanized iron pipe  Rubber cork  Rope with knots

3. How to make it Make a hook at top of the pipe Attach rope with knots at 1 meter interval to the hook

4. How to make it Insert robber cork at bottom of the pipe (one inch from the bottom)

5. How to use it 1.Lower the pipe in the borehole 2.When you hear a distinct ‘plop’ sound the cork has touched the water 3.With the help of the knots in the rope you can now measure water table depth

6. This simple water level recorder costs less than five dollars to make. It is not as convenient as a standard water level recorder but nevertheless a very useful instrument to measure water level fluctuations How to use it

7. You can also use the instrument to take a water sample from the borehole

8. Similar instruments can also be made with empty photo film canisters and measuring tape Alternative…

9. Presentation based on work of KVGK Rao