Data PolicyPublications | Persons | Institutes | Projects [ report an error in this record ] Regional Water Authority of Holland Noorderkwartier (HHNK) https://www.hhnk.nl/ Dutch name: Hoogheemraadschap Hollands Noorderkwartier Address:Stationsplein 136 1703WC HeerhugowaardNetherlands Project Type: Administrative Project Top TREASURE: Targeting the reduction of plastic outflow into the North Sea, more All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Project