Item 7 - Sewer System Management Plan 2025 Update

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of Santa Ana Section 1: SSMP Goal and Introduction • Clean 100% of sewer lift stations annually. a. Segerstrom Lift Station b. Maxine Lift Station 1.2 Sewer System Management Plan Update Schedule The SSMP must be updated every six (6) years, and must include any significant program changes. Re- certification by the Council of the City is required when significant updates to the SSMP are made. To complete the re -certification process, the City shall enter the data in the Online SSO Database (CIWQS). The City shall comply with these requirements according to the legislated schedule. This time schedule does not supersede existing requirements or time schedules associated with other permits or regulatory requirements. 1st SSMP 2"d SSMP Next SSMP SSMP Recertification Due Audit Due Audit Due Recertification Date Date* Date* Date 5/2/2025 5/2/2027 5/2/2030 5/2/2030 1.3 Sewer System Asset Overview The City's Public Works Agency, Water Resources Division, is responsible for maintaining the citywide water and sewer system. The agency serves a population of over 310,000 people and is responsible for maintaining 400 miles of sewer main, 9,000 sewer manholes, two sewage lift stations, and two force mains. The majority of the City's sewer mains range from 6" - 12" in diameter, with several as large as 39" in diameter, the majority of which is proactively cleaned on an 18-month cycle. Additionally, the City provides sewer lateral replacement, customer service, identifies illegal connections to the sewer system, and addresses sewer blockages. While City is not responsible for maintaining the 46,000 private sewer laterals (Municipal Code Section 39-50.1.b), a sewer repair/replacement program is in place where the City will perform corrective repairs on or replace the lower lateral. The City has established and implemented the necessary programs to maintain all aspects of their sewer system in good working order and to reduce the number and severity of sanitary sewer spills. The City monitors the effectiveness of these programs throughout the year and makes the necessary modifications to correct any deficiencies. The City has established sufficient sewer designs, regularly evaluates the condition and capacity of its sewer system, and has implemented an effective FOG Control Program. Additionally, the City has identified problematic sewer mains that are cleaned on a more frequent basis (enhanced maintenance locations). In addition to proactive and preventive maintenance practices, the City also identifies areas of the sewer system in need of repair and/or replacement and prioritizes corrective measures for these based on asset risk and resource factors. The staff supporting the operation and maintenance of the sewer system undergoes training to perform such activities and continue development of their skills through participation in external and internal training opportunities. 2025 2-1