The Candelas development is located where geography and topography foster and enhance severe weather,[2] including winds in excess of 80/mph (135 km/h).

[3] In addition to high wind hazards, the area experiences extreme winter weather conditions, severe thunderstorms (including localized flash flooding), and wildfire.

Environmental groups have expressed concern that the radioactive and toxic contaminants from plant operations and accidental releases have not been sufficiently remediated.

The report indicated that no remediation efforts would be required because building restrictions for lands in close proximity prevented new construction, and noted that "Continued suburban expansion is also anticipated in the area south and southeast of RFETS, primarily around Standley Lake, and in western Arvada along the 64th Street corridor.

The proposed Parkway/toll road would require the transportation infrastructure be constructed north to south along the most eastern portion of the former plant site.