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Vallejo awards $16.8 million contract to replace leaking Skyview water tank
Summary
Council approved awarding a $16,823,596 construction contract to Mountain Cascade Inc. to demolish and replace the aging Skyview tank after staff reported long‑term leakage (up to about 115,000 gallons per day) and foundation concerns that made replacement the prudent long‑term solution.
The Vallejo City Council on Wednesday approved a $16,823,596 contract to demolish and replace the Skyview water tank, a 6‑million‑gallon concrete reservoir the city built in 1968.
Water Department Director Beth Schoenberger told the council the tank is essential for distribution, pressure and fire flow. Operations manager Melissa Cansdale described inspection results showing chronic leakage; a 2021 leak test measured up to about 115,000 gallons per day of loss, much of which bypassed the underdrain system and surfaced through the hillside. Staff concluded the tank was beyond its useful life and that rehabilitation or lining would have been short‑term fixes (five to ten years) and not a long‑term solution.
The project is funded by 2021 revenue bond proceeds. The city received two bids; Mountain Cascade was the lowest responsive bidder and came in under the engineer's estimate. The project includes geotechnical investigation and a replace‑in‑kind tank; staff said they are not expanding capacity.
Council members asked about community outreach, construction hours and traffic impacts for the neighborhood adjacent to Goheen Circle. Staff said the contract limits work hours and that the water department will perform focused community outreach in multiple languages and coordinate with public works on any road impacts. Council also asked about water rates; finance staff said the project was already budgeted in the CIP and will not trigger an additional rate study adjustment at this time.
Council voted to award the contract; Councilmember Matias recused himself from the vote. The resolution authorizes the city manager to execute the contract and move forward with project implementation. Staff estimated construction will last 18–24 months and said they will report quarterly on the project and workforce reporting requirements.
