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The Assessment Unit (AU) Level Water Supply Assessment Results incorporates the water quality results for all monitoring stations associated within an AU that is included in the 2016 NJ Integrated Water Quality Monitoring and Assessment Report (Integrated Report). This data represents the assessment results in NJ's 817 AUs with fresh water to determine if the Water Supply designated use was attained and the results for the 47 water quality parameters associated with the designated use. If an AU includes more than one station, the results for each parameter are combined with the ‘worst case’ station assessment representing the AU. That is if any of the stations are impaired for a parameter, then the parameter is impaired at the AU level. If some stations are fully attaining for a parameter but others have insufficient data, the parameter is fully attaining. The data reflects which of three assessment results each assessment was assigned: Attaining- Fully Supporting, Insufficient Data- Insufficient data was available to assess, Non-Attaining- Non-Supporting. Because of the large number of parameters associated with Water Supply, if a parameter had insufficient data for an assessment throughout the state then the parameter was removed from the file. The result was a reduction from 65 parameters to 47 parameters that had sufficient data for an assessment. |