An underground conduit created to convey liquid and semisolid domestic, commercial, or industrial waste into a treatment plant, stream, reservoir, or disposal site. If the sewer also conveys storm water, then the "combined sewer" secondary site type should be used. Wastewater sewer Water Infrastructure Sites Adapted from USGS Site Types. http://wdr.water.usgs.gov/nwisgmap/help/sitetype.html ODM2 SiteType Controlled Vocabulary 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. ODM2 Working Group