DATE:
April 23, 2025
SA01
TO:
Board of Directors, San Diego County Sanitation District
SUBJECT
Title
ADOPT A RESOLUTION APPROVING UPDATES TO THE SEWER SYSTEM MANAGEMENT PLAN IN ACCORDANCE WITH THE STATE WATER RESOURCES CONTROL BOARD WASTE DISCHARGE REQUIREMENTS (DISTRICTS: 1, 2 & 4)
Body
OVERVIEW
On May 2, 2006, the California State Water Resources Control Board published the statewide waste discharge requirements (WDR) order, which issued updated regulations for sanitary sewer systems. The WDRs are regulations that govern proper collection and the discharge of wastewater. They protect surface water by either prohibiting discharge of pollutants or assigning requirements for discharge. The WDR mandated local public sewer collection system agencies, such as the San Diego County Sanitation District (District), to develop and implement a system-specific Sewer System Management Plan (SSMP). The SSMP describes County's actions to comply with regulations imposed by the WDRs and other governing agencies. Additionally, the SSMP provides a description of the activities and procedures that District staff follow to efficiently manage, operate, and maintain the sanitary sewer system and to minimize the risk of sanitary sewer overflows. Sewer overflows can potentially reach streets, waterways and homes, and averting sewer spills prevents contamination of rivers, drinking water sources such as Sweetwater Reservoir, prevents public health issues by avoiding exposure to toxins, viruses and bacteria that pose serious health risks and avoids damage to environment. If the District does not update the SSMP as required by the WDR, the California State Resources Control Board will issue a notice of violation to the District and take any legal action for the District's compliance with updating SSMP.
The District provides sewer service to a population of approximately 156,000 customers in the unincorporated areas of San Diego County. Wastewater from the communities of Alp...
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