HomeCurrentNewsNewsSurveillance for cleaner surface water24-04-2025Farmers must prevent pollutants from entering surface water. Over the next six months, we are checking for this. Experience history on Mill and Pumping Mill Day! 23-04-2025On May 10 and 11, we will open the doors of several mills and pumping stations. Stop by and experience water management in action! 2025 swimming season starts May 122-04-2025Next week, the 2025 swimming season begins. It runs from May 1 to Oct. 1 for most swimming locations. HHNK remains alert to drought in Hollands Noorderkwartier 17-04-2025The first signs of drought are visible in our area, but there is no reason for Health. We are taking precautions where necessary. Webexpo on Leeghwater17-04-20252025 is the year of Leeghwater! He came into the world exactly 450 years ago. This special webexpo tells more about his life and work. Discover the underwater world in Fish Week16-04-2025From May 12 to 16, we are hosting Fish Week. Come to our open afternoon on Wednesday, May 14, and learn more about the fascinating underwater world. Lecture on the role of water boards during the war years16-04-2025On April 29, Thea de Roos will give a lecture on the role of North Holland's water boards during World War II. HHNK strengthens dike and extends bike path in Purmerend and Ilpendam26-03-2025We are strengthening the Oudelandsdijkje, which connects Purmerend with Ilpendam, widening the bicycle path and constructing a footpath. Spring check on the use of antifouling17-03-2025We are starting to monitor and educate private boat owners on the proper use of antifouling (antifouling paint). HHNK regulates land use by third parties 11-03-2025Land that we do not need for Health for our core functions can be sold or leased. Future Oosterdel area: balance between nature, water, culture and experience07-03-2025Plans were presented on March 7 to preserve the Oosterdel area toward the future and work toward water quality goals. HHNK arms itself against criminal activity05-03-2025With the Bibob Act policy rule, we are taking an important step toward a stronger and safer organization. Road transfer municipality of Landsmeer04-03-2025As of March 1, we transferred responsibility for road management and maintenance to the municipality of Landsmeer. Vince Sprenkeling audience winner exhibition 'On the dike!' 03-03-2025Vince Sprenkeling has won the audience award of the art exhibition "On the dike!". The exhibition is now on display at our office in Heerhugowaard. Accessibility of HHNK office during construction of railroad underpass02-01-2025Starting Monday, January 6, work is underway on the railroad crossing near our Heerhugowaard office and on the Stationsplein-Zuidtangent intersection.