New Jersey Department of Environmental Protection (NJDEP), Water Monitoring, Standards and Pesticides Control, Bureau of Freshwater Biological Monitoring (BFBM)The water quality portal is where stakeholders access National Water Information System (NWIS) data. In order to build web products easily, and not rely on the portal's web services, NWIS sites are extracted on a quarterly basis to a csv which is transformed via builder to a usable GIS layer.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/05b2c9306a36469f993f912ded82e1b6_12engNew Jersey Department of Environmental Protection's (NJDEP) Bureau of GISPublicNWIS Monitoring Locations in New Jersey [New Jersey]Web servicesNew JerseyLast Modified: 2026-01-08