Complex sentence: The Greater Winnipeg Water District Railway in Manitoba is the other one, but that railway it is not a common carrier; it now only maintains and provides security for the aqueduct owned by Winnipeg's Water and Waste Department.
Split into simpler sentences: The Greater Winnipeg Water District Railway in Manitoba is the other one, but that railway it is not a common carrier. It now only maintains and provides security for the aqueduct owned by Winnipeg's Water and Waste Department.