I-10 Twin Peaks Traffic Interchange, Environmental Assessment
I-10 Twin Peaks Traffic Interchange, Environmental Assessment
I-10 Twin Peaks Traffic Interchange, Environmental Assessment
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Conclusion October 2005<br />
CHAPTER 6: CONCLUSION<br />
The environmental impacts of the preferred alternative and the no build alternative were<br />
evaluated based on both the context of the effects on the project area and the intensity or<br />
severity of impacts as defined in the CEQ Regulations. Table 6-1 summarizes the<br />
environmental impacts.<br />
Table 6-1. Summary of <strong>Environmental</strong> <strong>Assessment</strong><br />
<strong>Environmental</strong><br />
Result of No Build Result of Preferred<br />
Consideration<br />
Alternative evaluation Alternative evaluation<br />
Land use No impacts Short-term minor negative<br />
impacts<br />
Long-term minor negative<br />
Land resources<br />
• Topography<br />
• Soils<br />
• Geologic setting/<br />
mineral resources<br />
• Agriculture<br />
Water resources<br />
• Surface water<br />
• Ground water<br />
Water quality<br />
• Floodplains<br />
• Section 404/401<br />
• AZPDES/SWPPP<br />
• Sole source aquifer<br />
Biological resources<br />
• Wildlife<br />
• Threatened/<br />
endangered species<br />
• Arizona wildlife of<br />
concern<br />
• Critical habitat<br />
• Vegetation, riparian<br />
habitat, wetlands<br />
• Invasive species<br />
Interstate <strong>10</strong> <strong>Traffic</strong> <strong>Interchange</strong> at<br />
<strong>Twin</strong> <strong>Peaks</strong>/Linda Vista<br />
impacts<br />
No impacts Short-term minor negative<br />
impacts<br />
Long-term minor negative<br />
impacts<br />
Short-term moderate<br />
negative impacts<br />
Long-term moderate<br />
negative impacts<br />
Short-term minor negative<br />
impacts<br />
Long-term moderate<br />
beneficial impacts<br />
No impacts Short-term minor negative<br />
impacts<br />
No long-term negative<br />
impacts<br />
No impacts Short-term minor negative<br />
impacts<br />
No long-term negative<br />
impacts<br />
6-1<br />
Project No.: NH-0<strong>10</strong>-D (AIW)<br />
TRACS No.: <strong>10</strong> PM 236 H5838 01D