 The creek joins the Schuylkill River north of the city of Reading, for which it serves as the main drinking water supply.The Maiden Creek watershed covers approximately with more than of perennial streams, including Maiden/Ontelaunee Creek and ten named tributaries (Kistler Creek, Stony Run, Pine Creek, Furnace Creek, Mill Creek, Sacony Creek, Peters Creek, Baileys Creek, Willow Creek, Moselem Springs).The watershed is in the southeast portion of Pennsylvania, lying within the upper Schuylkill River Basin in northeastern Berks County and extreme western Lehigh County.