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Exhibit A Scope of Work — New City wells(with or without PFAS treatment depending on location) — Contracting with Zone 7 to pump groundwater on City's behalf • Alternatives that do not continue to utilize City's groundwater quota, e.g.: — 100 percent water purchases from Zone 7 — Water purchases outside of Zone 7 Each variation or subdivision (e.g., number of wells, capacity) will be considered as a separate alternative. BC will orchestrate up to two workshops with City staff to screen and select alternatives for detailed evaluation and identify agency partners for the selected alternatives, including strategy for engagement. BC will orchestrate up to one meeting with agency partners to review initial alternatives. Task 3 Assumptions • Up to seven alternatives (including subdivisions or variations) will be selected for evaluation in Task 4.The selected alternatives will be confirmed by City staff during the Task 3 workshops. • Workshops will be held via Microsoft Teams, up to two hours in duration, and attended by up to three BC staff. • Meeting with agency partners will be held via Microsoft Teams, up to 90 minutes in duration, and attended by up to two BC staff. City staff will coordinate scheduling with agency partners. 4. Alternatives Evaluation 4.1. Evaluation Criteria. BC will orchestrate a workshop with City staff to develop a list of criteria for evaluating the water supply alternatives from Task 3 and discuss relative weightings. Up to seven criteria will be used to evaluate alternatives. Criteria may include: — Cost(capital and annual) — Water supply reliability(annual and peaking/emergency; redundancy;diversification) — Regulatory compliance (current and future) — Operational complexity — Water supply administration — Implementation — Other(to be confirmed through discussion with the City) 4.2.Alternatives Analysis. Evaluate selected alternatives from Task 3 using the evaluation criteria from Task 4.1.Analysis will be performed using BC's Excel-based multi-criteria decision analysis (MCDA)tool to compare relative benefits of different alternatives and will include a sensitivity analysis to demonstrate how results are sensitive to different criteria weightings.The evaluation will consider preliminary cost of each alternative, estimated to a Class 5 level (AACC). BC will orchestrate a workshop with City staff to present and discuss draft findings from the alternatives evaluation. City feedback will be incorporated into the final alternative recommendation (Task 5). This task also includes technical analyses that may be needed to support the alternatives evaluation,such as analyzing Zone 7's groundwater models or City-provided data in order to assign criteria scores for certain alternatives.The type of analysis will depend on the selected 3