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CASA’s Private Sewer Lateral (PSL) Task Force

Explore the role of private sewer laterals in SSOs, task force purpose, key issues, impacts to wastewater, and planned activities towards legislation for improved maintenance.

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CASA’s Private Sewer Lateral (PSL) Task Force

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  1. CASA’s Private Sewer Lateral (PSL) Task Force BACWA Wet Weather Management Workshop May 28, 2008

  2. Agenda • Private Sewer Laterals as Contributors to SSOs • Purpose of Task Force • Key Issues Being Investigated • Impacts to Wastewater • Schedule of Planned Activities • Materials in Development • Task Force Members • Next Steps

  3. Typical House Lateral Manhole 2-way Cleanout Property Line Cleanout Private Sanitary Sewer Lateral Public Sanitary Sewer Main (owned and maintained by Sanitation Agency)

  4. Why PSLs are Important • Recent intense focus on Sanitary Sewer Overflows (SSOs) • Recent news coverage • Proposed Federal legislation (Raw Sewage Overflow Community Right-to-know Act) • 2-hour reporting requirements • 2004 EPA Report to Congress on SSOs/CSOs • EPA Comments at CWEA Annual Conference

  5. Problems Related to PSLs • Sewer system is a continuum • PSLs may comprise as much as 50% of length of sewer system • “French drain effect” • Source of Blockages • Source of I/I: • Present a challenge to I/I correction programs • WERF survey of 22 agencies found that laterals contribute 7% to 80% of I/I (mean of 40%)

  6. Purpose of Task Force The purpose of the Task Force is to inform the CASA Board on the issues and problems surrounding private sewer laterals so that the Board can make an informed decision on whether or not to pursue a legislative fix

  7. Key Issues Being Investigated • Alternatives for Improving Maintenance of PSLs • Benefits and Impacts of Statewide Legislation of PSLs • Implementation details/challenges • Potential Support & Opposition

  8. Benefits: Proactive Approach to Addressing a Statewide Issue Improved maintenance of critical infrastructure Reduced SSOs from Blockages Reduced SSOs from I/I Concerns: Rate Impacts Resource Requirements Increased Liability? Political Considerations Does One Size Fit All? Impact of PSL Legislation to Wastewater

  9. Phase I (May–Aug 2008): Develop recommendations Finalize key documents Begin testing waters for support & opposition Brief CASA Board at August conference Receive direction on whether to pursue Phase II Phase II (Sep 2008 – Jan 2009): Develop legislative language Build coalition for support Perform outreach to opposition Identify sponsor and finalize bill language Report to Board at Mid-Year Conference Schedule of Planned Activities

  10. Materials in Development • White paper • Frequently-Asked Questions (FAQs) • Fact Sheet • Analysis of Potential Support & Opposition • Draft Framework of Legislation • Survey of CASA Membership

  11. Task Force Members * CASA Board Members

  12. Task Force Members, cont. * CASA Board Members

  13. Next Steps • Provide information, questions, and concerns to Task Force members • Task Force update to general membership at August conference

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