NJDEP - Water Monitoring and Standards - Bureau of Freshwater and Biological MonitoringDuring the growing season (June through September), a gross estimate of total areal coverage of dominant type(s) of macrophytes are made for lakes in the lake monitoring network. The lake macrophyte extent is determined by visual observations during a monitoring event and marked on an aerial photograph map.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/00adad11219642089331c5912af76290_36engNew Jersey Department of Environmental Protection's (NJDEP) Bureau of GISPublicAquatic Vegetation in New Jersey [New Jersey]Web servicesNew JerseyLast Modified: 2025-02-03