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Council hears five‑year utility cost‑of‑service model; consultant recommends midpoint review
Summary
City council members and a consultant discussed a five‑year cost‑of‑service model for the water and sewer utility, including customer‑class alignment, debt assumptions tied to two capital projects, reserve targets and a recommendation to review the plan at a midpoint rather than annually.
A water‑utility consultant presented a five‑year cost‑of‑service model and counseled the Moses Lake City Council to monitor it at an intermediate point to check for deviations from assumptions including inflation and changes in customer mix.
The consultant said the model assumes projected customer classes — residential, commercial, industrial and multifamily — and that Moses Lake may be “a bit out of alignment in terms of that particular customer class.” The consultant recommended reviewing progress around the plan’s midpoint (about three years) rather than performing an annual full update.
Why it matters: The council will rely on the model when setting rates and planning capital funding. If inflation or shifts in customer mix (for example a sudden increase in multifamily connections or industrial flow) differ from assumptions, the city could face a revenue shortfall or need to defer projects.
The consultant explained several assumptions embedded in the study. The presentation ties 40% debt financing to two specific capital projects identified by staff: the Peninsula lift station and raw wastewater upgrades. The consultant said that existing resources — current fund balance, rate revenue and connection charges — are evaluated against the capital plan; where a gap remains, external funding or increased debt is likely required to meet the schedule. The consultant warned that deferring capital projects to limit rate impacts is possible but “not ideal.”
Council members asked about reserve and cushion targets. The consultant said a 90‑day operating reserve is a common industry standard for stable revenue utilities and noted sewer revenues are typically stable; water can be more weather‑sensitive and sometimes warrants a larger cushion (for example 120 days). The presentation also noted a 1–2% additional contingency depends on the city’s risk tolerance.
On bonds and debt mix, a council member asked how the 40% debt share was selected; the presenter said that percentage was tied to the two projects identified earlier. The consultant advised the council to consider the total resources available — including connection charges — when deciding whether that debt share should be higher or lower.
Discussion versus direction versus decision: Council members raised questions and expressed interest in monitoring the plan at a midpoint; there was no formal motion in this segment and no rate change or official adoption of the study occurred during the meeting.
Clarifying notes: The presentation indicates the city can reexamine the plan sooner than the five‑year horizon if significant shifts occur. The consultant explicitly differentiated inflation, negotiated labor increases and union contracts as separate risks that could require earlier review.
What’s next: Staff and the consultant will maintain the five‑year model, with council members signaling they expect interim checks (suggested at about three years) and monitoring of capital funding gaps.
