She shouted her conversation over the sound of running water.
As they approached, the sound of running water welcomed them.
She was running water into the skillet to let it soak when Alex came up behind her.
An interesting confirmation of Dorpfeld's view is furnished by the map of Guillet and Coronelli, published in 1672, in which the Enneacrunus is depicted as a well with a stream of running water in the neighbourhood of the Pnyx.
The sound of running water from the bathroom proclaimed that Katie was taking a shower.