This article evaluated the wind influence at different depths in the stabilization pond circulation for wastewater treatment plant in the city of Álvares Florence, São Paulo, Brazil, using floats of different sizes (15, 25, and 35 cm in length). Through a simple, practical, and inexpensive method, it was possible to verify the direction of the lagoon circulation, which in turn is related to wind direction.
stabilization pond; hydrodynamic; wastewater treatment
