Water-distribution system A site located somewhere on a networked infrastructure that distributes treated or untreated water to multiple domestic, industrial, institutional, and (or) commercial users. May be owned by a municipality or community, a water district, or a private concern. Water Infrastructure Sites Adapted from USGS Site Types. http://wdr.water.usgs.gov/nwisgmap/help/sitetype.html ODM2 SiteType Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of a data collection Site. To some extent, these types represent the ultimate feature of interest that the site was established to measure. For example, a Stream Site was established to measure properties of a Stream.