NJDEP, Division of Water Monitoring and Standards (DWMS), Bureau of Environmental Analysis, Restoration and Standards (BEARS)The Assessment Unit (AU) level Ammonia parameter results incorporates the water quality results for all monitoring stations associated within an AU that is included in the 2022 NJ Integrated Water Quality Monitoring and Assessment Report (Integrated Report). This data represents the assessment results in NJ's 958 AUs to determine if the Ammonia parameter result was attained. If an AU includes more than one Ammonia station, the ‘worst case' station assessment represents the AU. That is, if any of the stations are impaired for Ammonia, then the parameter is impaired at the AU level. If some stations are fully attaining for Ammonia but others have insufficient data, then Ammonia is fully attaining. The data reflects the results each assessment was assigned: Attaining- Fully Supporting, Insufficient Data- Insufficient data was available to assess, Non-Support- Non-Supporting.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/363b697efd0243a48f6a5db4dc3ce7e4_82engNew Jersey Department of Environmental Protection's (NJDEP) Bureau of GISPublicStation Level Ammonia Parameter for New Jersey [New Jersey]Web servicesNew JerseyLast Modified: 2025-11-24