16) To provide escape, peace, and relaxation (therapeutic or otherwise) 9) Swimming hole 24) A fun place to gather with family and friends 3) Ornamental landscaping 21) A family or personal challenge to maintain a complex ecosystem 22) To provide safe, fresh fish as food 23) Water source for fire fighting 6) To attract wildlife for viewing and/or preservation 11) To study all of nature and/or biology 2) To enhance land value