The Facility Registry System (FRS) is a data aggregator that integrates, validates and quality assures data from 32 federal and 57 state, tribal and territorial environmental databases containing information on over 2.6 million facilities, over 80% of which have latitude and longitude data. FRS currently publishes this geospatial and facility information as basic RDF on Data.gov but aims to develop a more robust, standards-driven and semantically enriched linked open data representation.