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2. If the spill reached a City storm drain, contact the City's NPDES Manager (Craig <br />Foster) at (714) 397-0759. The spill must be documented as part of NPDES <br />Permit requirements. The NPDES Manager may also be able to assist with spill <br />response and contractor cleanup. <br />3. Category 3 spills must be reported and certified through the California <br />Integrated Water Quality System (CIWQS) within 30 days after the end of the <br />calendar month in which the spill occurred. <br />4. Category 3 sewer spill certification will be performed by the City's Legally <br />Responsible Officer (LRO). <br />CATEGORY 4 SPILL REPORTING: <br />Category 4 spills are: <br />• Less than 50 gallons which: <br />o Does not reach a surface water. <br />o Enters a drainage conveyance system but is fully recovered and returned to <br />the sanitary sewer system. <br />Reporting <br />Reporting for all Category 4 spills shall be made by the on -call duty employee, water <br />maintenance supervisor, and or water maintenance crew leader and shall be handled as <br />follows: <br />1. Call the Environmental Health Division of the Orange County Health Care <br />Agency (OCHCA). During working hours, call OCHCA directly at (714) 433- <br />6419. After working hours and on the weekends, notify OCHCA by calling <br />Orange County Control One (available 24 hours) at (714) 628-7008. <br />2. If the spill reached a City storm drain, contact the City's NPDES Manager (Craig <br />Foster) at (714) 397-0759. The spill must be documented as part of NPDES <br />Permit requirements. The NPDES Manager may also be able to assist with spill <br />response and contractor cleanup. <br />3. Category 4 spill volume and number estimate must be reported and certified <br />monthly through the California Integrated Water Quality System (CIWQS) <br />within 30 days after the end of the calendar month in which the spill occurred. <br />4. Category 4 spills must be reported and certified through the California <br />Integrated Water Quality System (CIWQS) by February 1st after the end of the <br />calendar year in which the spill occurred. <br />5. Category 4 sewer spill certification will be performed by the City's Legally <br />Responsible Officer (LRO). <br />REVISION 2.0 (4/23) 14 <br />