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Significant Industrial Users: Non-Categorical

WHO ARE NON-CATEGORICAL SIGNIFICANT INDUSTRIAL USERS?

The Non-Categorical Industrial Users (IUs) that meet any one of the following criteria are designated as Significant Industrial Users (SIUs):

  • Any industrial user that is subject to federal reporting requirements in addition to the City local limits
  • Any industrial user that is not a Categorical Industrial Users but discharges an average of 25,000 gallons or more per day of process wastewater, or
  • Any industrial user that has the potential to adversely impact the POTW operations.


These SIUs are designated as Non-Categorical Significant Industrial Users (NSIUs) and are subject only to City's local limits. As a NSIU you are required to obtain a permit. You can download the NSIU permit here.