Agenda - 02-16-2021; 4-b - OWASA Annual Update Presentation

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Information on OWASA's Long-Range Water Supply Plan 17 January 29,2021 Page 11 o Alternative 13b: Water Efficiency Design Assistance and Conservation- Oriented System Development Fee—Under this alternative, OWASA would provide individualized design review assistance for new development. This service would be complemented with a system development fee that further incentivizes efficiency beyond our current fee structure. Rather than a regulatory requirement, this alternative would act more as a customer service enhancement to encourage more efficient development. o Recommendation: Eliminate from including as long-range water supply option because of minor impact on water use; consider as part of Water Conservation Plan o Alternative 13c: On-bill Financing for Water Efficient Fixtures—Older homes may have inefficient water fixtures, which became a requirement in 1994. Under this alternative, OWASA would loan a customer money to replace older fixtures, and the loan is paid back through an on-bill financing program. o Recommendation: Eliminate from further evaluation due to minor impact on water use and high cost per gallon of water saved o Alternative 13d: Minimize Need for System Flushing for Water Quality Purposes—OWASA flushes its water lines to maintain high levels of water quality. There are some locations in the system where low water flow results in "stale"water(dead end lines) that require more frequent flushing. Under this alternative, OWASA would loop lines to remove dead end areas. o Recommendation: Eliminate from further evaluation due to high capital cost 6. Prioritize Alternatives What option(s) are recommended for further evaluation? We evaluated each of the alternatives against the three pillars of sustainability: social performance, environmental performance, and financial performance and more detailed information on the alternatives analysis is found here. The section immediately above also briefly identifies whether OWASA plans to continue evaluating an alternative, and if not, why it is recommended to eliminate from further consideration. OWASA has not yet selected a preferred alternative and will consider feedback from the community before it makes its final selection in FY22. The Jordan Lake alternatives are the most cost-effective alternatives that will meet our long-term needs. OWASA plans to develop guiding principles to evaluate the Jordan Lake alternatives against one another and perform additional analyses. Community feedback will be incorporated into the guiding principles and into the selection of a preferred alternative. OWASA plans to evaluate the cost-effective demand management strategies in a Water Conservation Plan that will be included as an appendix or companion document to the LRWSP.