Why is it called a pond-less waterfall?

Since the water level never pools above the level of the rock and gravel fill, it gives the appearance of a pond-less waterfall?

 

 Are you interested in installing a water feature in your yard, but concerned about the safety and liabilities of having a pond?
Or are you apprehensive about taking on the responsibility of maintaining a full-fledged ecosystem?
Well, we have the answer for you. The pond-less Waterfall is basically that - a waterfall and stream, without the pond.

BENEFITS:

  • Great alternative for a front yard pond; fits in small spaces where a pond might be crowded.
  • Perfect for public settings where liabilities of a pond are a concern.
  • Virtually maintenance-free! Simply refill the reservoir every few weeks to compensate for   water loss due to evaporation.
  • Energy efficient - no ecological need to run the system continuously.
  • Set a timer - ideal for vacations and night/day settings.
  • No ecosystem to worry about.
  • Ability to add a pond on in the future.
  • Attract birds and other wildlife.