This evaluation is a hydrogeologic and hydrologic investigation of the streams, springs and near-surface aquifers in the valleys and tributaries of the Oldman River headwaters. The objective of the evaluation is to establish baseline conditions of stream flow and water quality in the Livingstone River, Oldman River and Racehorse Creek valleys and surrounding watersheds. The major rivers in the study area are the Oldman River and the Livingstone River. Major tributaries to these rivers are Racehorse Creek and Dutch Creek.