The water of Nescopeck Creek is the hardest water in the Stony Creek watershed , with a concentration of over 100 milligrams of dissolved minerals per litre . Nescopeck Creek 's water is the hardest water in the Stony Creek watershed , with a concentration of over 100 milligrams per liter of dissolved minerals . Stony Creek 's water is the hardest water in the Nescopeck Creek watershed , with a concentration of over 100 milligrams per liter of dissolved minerals .