Water gushes from under house near hot water heater, even when water heater is turned off @ breaker help!!?

This morn i noticed almost no water and no hot water, outside my yard is flooded so i dug up the waterline by the house where it bubbles but line is fine, even with water heater turned off at breaker the water gushes out from under house at the water heater when the well is turned on, i have a concrete foundation the water that gushes out has steam/smoke coming off like its hot...please help me!!!