Source:http://linkedlifedata.com/resource/umls/id/C0597680
CSP: levels of water quality expected to render a body of water suitable for its designated use; criteria are based on specific levels of pollutants that would make the water harmful if used for drinking, swimming, farming, fish production, or industrial processes; includes state-adopted and EPA-approved ambient standards for water bodies.,MSH: A rating of a body of water based on measurable physical, chemical, and biological characteristics.