From The Pueblo Chieftain (Chris Woodka):

The St. Charles Mesa Water District is trying to bring water rights it obtained in the last five years under the same requirements for use as ditch shares changed in a 2004 case. The new case on 180 shares of Bessemer Ditch was filed in late June in Division 2 Water Court. The recently settled 2004 case applied to 1,877 shares of Bessemer Ditch previously acquired by the district. All told, St. Charles owns a little more than 10 percent of the Bessemer Ditch and serves 4,048 customers in the same general area historically irrigated by the ditch.

More Bessemer Ditch coverage here and here.