No you can’t get pregnant from sperm in a swimming pool. Explanation Sperm don't live long outside the body. Why sperm cannot live in water. 1. They're separated from the fluids that protect them. 2. Water is not human fluid 3. It’s unlikely that water containing live sperm would get inside the vagina. Sex in a swimming pool is different. But it's impossible for swimming pool to impregnate a woman.