Clear Creek Exchange

Clear Creek Exchange


Thornton, Colorado

The City of Thornton previously owned water rights in South Park and a significant interest in the Burlington/ Wellington system.

To add operational flexibility to Thornton’s raw water delivery system, the City sought to exchange their South Platte River water up Clear Creek to the Lower Clear Creek Ditch headgate, which feeds the West Gravel Lakes and to the Church Ditch, Croke Canal, and Farmers High Line Canal headgates which feed Standley Lake.


Development of a spreadsheet model to evaluate the City of Thornton’s Clear Creek exchange potential in
Case No. 83CW081. Litigation support, including expert witness testimony, was provided by our staff to
assist Thornton in obtaining a decree from the Water County.

A point flow spreadsheet model was developed by the Deere & Ault staff to determine the exchange potential on Clear Creek. The Clear Creek point flow model included the stream flows, diversions, and tributary inflows from the South Platte River confluence to the Clear Creek at Golden gage.

The results of the spreadsheet model were utilized to support Thornton’s Clear Creek exchange filing in Case No. 83CW081, including negotiations with objectors, preparation of Court exhibits, participation in depositions, and providing expert witness testimony. The District Court in Water Division 1 awarded Thornton the right to exchange water from the South Platte River to Clear Creek in Case No. 83CW081.

Client:  City of Thornton, Colorado

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