Notice of Non-Applicability (NONA) in the Statewide Stormwater Industrial General Permit (IGP): Defining No Discharge
The current IGP defines the criteria for industrial sites to claim no discharge to a Waters of the United States. The State Water Resources Control Board staff will discuss the engineering principles behind this criteria and what we are seeing statewide for the implementation of the NONA. Discussion will cover some common short falls in completing a NONA analysis and numerical models.