Department of Energy, Colorado Department of Public Health and Environment, U.S. Environmental groups have expressed concern that the radioactive and toxic contaminants from plant operations and accidental releases have not been sufficiently remediated. The location is south of the former site of the Rocky Flats nuclear weapons production facility. Main article: Radioactive contamination from the Rocky Flats Plant Residents within the area can use State Highway 93 to access Golden or Boulder. There are two access points to the Refuge.

The Rocky Flats Wildlife Refuge is to the north and shares a borders with part of the community. It is on the north side of Hwy 72 between Hwy 93 and Indiana St. The Candelas community is located in northwest Arvada, CO. Candelas is divided into six subsections from east to west: Parkview, Mountainview, Canyonview, Valleyview, Townview, and Skyview. The development borders the Rocky Flats National Wildlife Refuge all along its northern property line. The Candelas master planned community is within the most north-western quadrant of Arvada in Jefferson County, Colorado. The formal plan was filed with the Jefferson County Recorder on April 21, 2011. Plans exist for commercial development in the future, in the form of two mixed-use commercial spaces, and a town center, comprising some 7.1 million square feet of commerce in the community. The residential portion of the community is developed by Terra Causa Capital and GF Properties Group (a wholly owned subsidiary of the Southern Ute Indian Tribe), with residences built by Century Communities, Richmond American, Ryland Homes, Standard Pacific Homes, Village Homes, and various custom builders.

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