Considering the tomes of commentary put forth, Theo's question is valid, and not at all confrontational, in my opinion.

Regardless, the answer to his question is most likely "none" or "zero."

However, the original poster does indeed have a small lake at 22 acres, as opposed to a pond.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."