How are TDR’s measured?
All land in the Dolores River Valley starts out with a fixed number of TDRs. TDRs for each tract of real property consisting of 10 or more acres at the time the Code was adopted are calculated based on its degree of slope and location in a floodplain. The Code awards 1 TDR per ten acres on slopes of less than 30 degrees that are outside the floodplane and 1.5 TDRs inside the flood plane. Land on slopes of 30 degrees or more are not awarded TDRs. Existing tracts of less than 10 acres have no TDRs. The Code provides for transfer of TDRs in 1/10th units, so we presume that TDR’s will be calculated on a per acre basis. How are TDR’s established? TDR’s are established by a “legal survey.” To calculate and describe the TDR rights on a property will require the services of a licensed surveyor, who will take into account the degree of slope and location of the flood plane, determine the number of acres of each, and apply the Code’s formula. It would be advisable that any TDR survey be in the f