How deep are ponds?

How deep are Ponds like the one in Hawthorne Village or the ones in Halton. I will give you the latitude and longitude of the location of the pond in hawthorne village so go on to google earth and put this in 43�30'38.19"N 79�50'21.44"W and tell me how deep that pond might be and check this one out as well. A nearby pond 43�31'2.30"N 79�49'35.36"W and tell me how deep could that pond be.