Site Assessment & Clean Up

DHA began redevelopment of the site in 2002 in a multi-phase project which included existing DHA property and acquired property. Located in the historic Five Points neighborhood and adjacent to the central downtown business district, this mixed-use, mixed-income redevelopment site will double the current housing density from 447 to 812 units, provide both market rate and affordable homeownership opportunities and rental units, with walking access to two existing RTD lightrail stations. 

The project funded by the environmental assessment grant consisted of a vapor intrusion assessment (VIA) for the final phase of an eight-year redevelopment project by Denver Housing Authority. The study took place on land that had previously been cleared and remained vacant, prior to construction. The phase I ESA provided by DHA had indicated possible upgradient, off-site groundwater contamination sources. Completed in April 2010, the VIA report determined that vapor intrusion did not pose a risk to the public, based on an evaluation using the modified Johnson & Ettinger model and incorporating groundwater sample results and residential landuse. At DHA’s request and after consultation with EPA, a Colorado Voluntary Cleanup Plan (VCUP) application and request for a No Action Determination (NAD) was prepared and submitted to CDPHE. CDPHE approved the NAD. In March 2010, DHA had an additional Phase I ESA conducted on their own behalf for the purposes of obtaining redevelopment financing. Construction began in the summer of 2010 on this $15 million dollar project.