The Pioneer-Sarah Creek watershed includes two streams that discharge into the Crow River -- Pioneer Creek and Sarah Creek. Sarah Creek drains the northern portion of the watershed and receives outflow from Lake Sarah. The creek discharges into the Crow River south of Rockford, MN along the northern boundary of Lake Rebecca Park Reserve. Pioneer Creek drains the southern portion of the watershed and discharges into the Crow River approximately midway between Watertown and Delano, MN. Pioneer Creek receives outflow from Lake Independence and Whaletail Lake.