Durango Exhibit 7: Report on the Design, Functionality, and Physical Characteristics of the Durango Boating Park

• Description: Durango RICD
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 1/1/3000
• Author: Recreational Engineering and Planning, Gary M. Lacy
• Title: Durango Exhibit 7: Report on the Design, Functionality, and Physical Characteristics of the Durango Boating Park
• Water Supply Pro - Doc Type: Court Documents

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studies (6) that forty percent of the entire channel length within the Upper Animas
watershed has been altered in some way (6). This trend continues as the Animas River flows
through Durango. The riverbed at the Smelter site has been confined in numerous locations
by development. One particular area of concern is the location of the former lead smelter
and uranium tailings mill at the Smelter Site. Current erosion patterns suggest that the
Animas River is eroding into the river -right bank at the bend in the Smelter Site. Current
designs include bank stabilization in this area to prevent further erosion into the tailings mill.
Discussions with DOE and other permitting agencies will likely define construction
constraints at this site.
The subsurface conditions at the site indicate that the river bottom has the ideal conditions
for boating park development. Bedrock in this site is close to the surface of the river bottom,
providing greater potential to anchor the structures without disturbing the hyporheic zone.
Current Flows at the Proposed Boating Park Location
The Animas River features significant flows within this reach. The average mean of
monthly stream flows for this reach is shown in Figure 1:
Estimated Mean of Monthly Streamflows for The Smeller Whitewater Park
Figure 1. Estimated average mean of monthly stream flows for Smelter Boating Park
in Durango, CO.
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