On my Wednesday and Saturday long runs, I run past a house that has been pumping water into a drain for several weeks. This morning, the owner of the house was in his garage, so I stopped and asked him where the water was coming from.
He said that it was ground water and the pumping was necessary to prevent the water from going in his basement. He said that each spring the water people open the flood gates at Utah Lake and let more water into the Jordan River. That causes the ground water to rise, and the pumping keeps it from going into his basement. He said he has to pump until mid May. His house is in the flood plain for the river.
The flood gates remain open until the spring runoff from melting snow has dissipated, thus keeping the lake and its shore houses from flooding.