Measuring Your Well Depth

Your well depth is the distance from ground level to the solid rock at the very bottom of your well shaft.  Be very sure you are careful following these procedures so you do not tangle the measuring line in the wiring or safety wire if you have a pump currently installed.  If you do get stuck, it may be best to tie off the line so it does not sink and become bound in the pump impeller.

To determine your static water level yourself, you'll need
  • A small fishing weight
  • Lightweight fishing line or kite string, long enough to get to the water level.  This might be as long at 600ft, but varies greatly depending on region and can be as low as just a few feet.  The USGS has groundwater data on a number of wells across the nation, notice the variance within states.

How to Measure

  • Lower until you feel slack.  Note, you may feel some bouncing as you pass the pump depending on the space from the casing to the weight on the measuring line.
  • Mark the line at the top edge of the casing.
  • Pull out and measure. This is your well depth - the distance to the bottom of the well shaft.

If you previously read Measuring Your Static Water Level, you can use the same line. Just remove the bobber from the line.

Measure Static Level
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