certain embodiments of the present invention provide a watering system configured to provide water to livestock . the system includes a water basin defining a trough configured to retain water , a reservoir mounted to the water basin , wherein the reservoir is configured to receive and retain water above the water basin . a water path is defined from the reservoir to the trough , wherein water within the reservoir is configured to pass into the water basin through gravity . a first heating element configured to heat water within the reservoir . a second heating element is configured to heat water within the trough , wherein the second heating element is separate and distinct from the first heating element .