HELCOM PLC database

HELCOM regularly produces a Pollution Load Compilation (PLC) which assesses the data collected by the Contracting Parties on total air and waterborne inputs of nutrients and some hazardous substances to the Baltic Sea. PLC are an important part of HELCOM´s assessment system on the status of the Baltic marine environment since 1987. HELCOM Pollution Load Compilation database (HELCOM PLC database) contains waterborne discharge data collected and reported by HELCOM Contracting Parties for annual and periodic assessments of inputs of nutrients and selected hazardous substances in to the Baltic Sea. Description of the data collected in the PLC database is presented in the HELCOM Guidelines for the annual and periodical compilation and reporting of waterborne pollution inputs to the Baltic Sea: http://www.helcom.fi/Lists/Publications/PLC-Water-Guidelines-2019.pdf The database is hosted by Baltic Nest Institute, Stockholm University Baltic Sea Centre.